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Physik: Magnetische Funktionsmaterialien
Publikationen
Physik: Magnetische Funktionsmaterialien 


List of Publications

205. The mechanism of molecular CISS effect in chiral nano-junctions

T. N. H. Nguyen, G. Salvan, O. Hellwig, Y. Paltiel, L. T. Baczewski, and C. Tegenkamp

Chemical Science 15, 14905 (2024)

DOI: 10.1039/D4SC04435E


204. Magnetic Microhydrodynamics, An Emerging Research Field

J. Kurian, P. Dunne, V. Vivier, G. Atcheson, R. Salikhov, C. Fowley, M. Venkatesan, O. Hellwig, M. Coey, and B. Doudin

Applied Physics 120, chapter 9 (2024)

DOI: 10.1007/978-3-031-58376-6


203. Evolution of defects and local environment during the magneto-structural phase transformation in Fe60V40 thin films

S. Rauls, Md. S. Anwar, M. O. Liedke, M. Butterling, B. Eggert, E. Welter, D. Günzing, P. Klaßen, A. Herman, O. Hellwig, J. Fassbender, J. Lindner, A. Wagner, K. Potzger, R. Bali, and H. Wende

Phys. Rev. Materials 8, 114415 (2024)

DOI: 10.1103/PhysRevMaterials.8.114415


202. Magnetic Nanoparticle-Mediated Multimodal Cancer Therapy: Hyperthermia, Controlled Drug Release, and Antibody-Based Precision

S. S. Pawar, O. Selyshchev, L. Rasabathina, O. Hellwig, V. V. Kedage, D.R.T. Zahn, V. Stephan, B. Kersting, G. Salvan, A. D. Chougale, and P.B. Patil

Adv. Therap. , 2400168 (2024)

DOI: 10.1002/adtp.202400168


201. Antiferromagnetic domain wall memory with neuromorphic functionality

J. Godinho, P. K. Rout, R. Salikhov, O. Hellwig, Z. Šobáň, R. M. Otxoa, K. Olejník, T. Jungwirth, and J. Wunderlich

npj Spintronic 2, 39 (2024)

DOI: 10.1038/s44306-024-00027-2


200. Spin–wave dynamics in perpendicularly magnetized antidot multilayers

A. De, S. Pal, O. Hellwig, and A. Barman

J. Phys.: Condens. Matter 36, 415802 (2024)

DOI: 10.1088/1361-648X/ad5e54


199. Collective out-of-plane magnetization reversal in tilted stripe domain systems via a single point of irreversibility

P. Heinig, R. Salikhov, F. Samad, L. Fallarino, G. Patel, A. Kákay, N. S. Kiselev, and O. Hellwig

Phys. Rev. B 110, 024417 (2024)

DOI: 10.1103/PhysRevB.110.024417


198. Magneto-Ionic Control of Coercivity and Domain-Wall Velocity in Co/Pd Multilayers by Electrochemical Hydrogen Loading

M. Bischoff, R. Ehrler, F. Engelhardt, O. Hellwig, K. Leistner, and M. Gößler

Adv. Funct. Mater. , 2405323 (2024)

DOI: 10.1002/adfm.202405323


197. Femtosecond Laser-Induced Transient Magnetization Enhancement and Ultrafast Demagnetization Mediated by Domain Wall Origami

A. K. Mondal, S. Mukhopadhyay, P. Heinig, R. Salikhov, O. Hellwig, and A. Barman

ACS Nano 18, 16325-17360 (2024)

DOI: 10.1021/acsnano.4c02910


196. Towards lightweight conductors: Improving the conductivity in graphitic films by transition metal additives

L. Niemann, F. Fuchs, M. Gruschwitz, G. Sellge, T. Rothe, S. Hermann, M. Köhne, J. Schuster, O. Hellwig, and C. Tegenkamp

Diamond and Related Materials 147, 111310 (2024)

DOI: 10.1016/j.diamond.2024.111310


195. Multilayer Metamaterials with Ferromagnetic Domains Separated by Antiferromagnetic Domain Walls

R. Salikhov, F. Samad, S. Schneider, D. Pohl, B. Rellinghaus, B. Böhm, R. Ehrler, J. Lindner, N. S. Kiselev, and O. Hellwig

Adv. Electron. Mater. 10, 2400251 (2024)

DOI: 10.1002/aelm.202400251


194. Crystallization dynamics of amorphous yttrium iron garnet thin films

S. Sailler , G. Skobjin , H. Schlörb, B. Böhm, O. Hellwig , A. Thomas, S. T. B. Goennenwein , and M. Lammel

Phys. Rev. Mater. 8, 043402 (2024)

DOI: 10.1103/PhysRevMaterials.8.043402


193. Influence of oxidic and metallic interfaces on the magnetic damping of Permalloy thin films

Verena Ney, Ruslan Salikhov, Kilian Lenz, Olav Hellwig, Jürgen Lindner, and Andreas Ney

Phys. Rev. Materials 7, 124403 (2023)

DOI: 10.1103/PhysRevMaterials.7.124403


192. Structural and magnetic properties of thin cobalt films with mixed hcp and fcc phases

Gauravkumar Patel, Fabian Ganss, Ruslan Salikhov, Sven Stienen, Lorenzo Fallarino, Rico Ehrler, R.A. Gallardo, Olav Hellwig, Kilian Lenz, and Jürgen Lindner

Phys. Rev. B 18, 184429 (2023)

DOI: 10.1103/PhysRevB.108.184429


191. Efficient ultrafast field-driven spin current generation for spintronic terahertz frequency conversion

I. Ilyakov, A. Brataas, TVAG de Oliveira, A. Ponomaryov, JC Deinert, O. Hellwig, J. Faßbender, J. Lindner, R. Salikhov, S. Kovalev

Nat. Comm. 14, 7010 (2023)

DOI: 10.1038/s41467-023-42845-8


190. Control of Four-Magnon Scattering by Pure Spin Current in a Magnonic Waveguide

T. Hache, L. Körber, T. Hula, K. Lenz, A. Kákay, O. Hellwig, J. Lindner, J. Fassbender, and H. Schultheiss

Phys. Rev. Appl. 20, 014062 (2023)

DOI: 10.1103/PhysRevApplied.20.014062


189. Coupling of terahertz light with nanometer-wavelength magnons

Ruslan Salikhov, Igor Ilyakov, Lukas Körber, Attila Kákay, Rodolfo A Gallardo, Alexey Ponomaryov, Jan-Christoph Deinert, Thales VAG de Oliveira, Kilian Lenz, Jürgen Fassbender, Stefano Bonetti, Olav Hellwig, Jürgen Lindner, Sergey Kovalev

IEEE, 2023 IEEE International Magnetic Conference - Short Papers (INTERMAG Short Papers) , (2023)

DOI: 10.1109/INTERMAGShortPapers58606.2023.10305027


188. Determining the preferred directions of magnetisation in cubic crystals using symmetric polynomial inequalities

Fabian Samad and Olav Hellwig

Emergent Scientist 7, (2023)

DOI: 10.1051/emsci/2023002


187. Spin-wave nonreciprocity at the spin-flop transition region in synthetic antiferromagnets

O. Gladii, R. Salikhov, O. Hellwig, H. Schultheiss, J. Lindner, and R. A. Gallardo

Phys. Rev. B 107, (2023)

DOI: 10.1103/PhysRevB.107.104419


186. Coupling of terahertz light with nanometre-wavelength magnon modes via spin–orbit torque

Ruslan Salikhov, Igor Ilyakov, Lukas Körber, Attila Kákay, Rodolfo A. Gallardo, Alexey Ponomaryov, Jan-Christoph Deinert, Thales 09:22 11.12.2023V. A. G. de Oliveira, Kilian Lenz, Jürgen Fassbender, Stefano Bonetti, Olav Hellwig, Jürgen Lindner and Sergey Kovalev

Nat. Phys. 19, 529-535 (2023)

DOI: 10.1038/s41567-022-01908-1


185. Electrical detection of non-linear magnetic vortex dynamics

Lakshmi Ramasubramanian, Vadym Iurchuk, Attila Kakay, Olav Hellwig and Alina Deac

Phys. Rev B 106, (2022)

DOI: 10.1103/PhysRevB.106.214413


184. Magneto-structural phase transition in Fe60V40 alloy thin films

S. Anwar, H. Cansever, B. Boehm, R.A. Gallardo, R. Heubner, S. Zhou , U. Kentsch, B. Eggert, H. Wende, K. Potzger, J. Fassbender, K. Lenz, J. Lindner, O. Hellwig, R. Bali

ACS Appl. Electron. Mater. 4, 3860–3869 (2022)

DOI: 10.1021/acsaelm.2c00499


183. Dynamic behavior of a two-dimensional ferromagnet: proximity effect of a paramagnetic surrounding

Hamza Cansever, Md. Shadab Anwar, Sven Stienen, Kilian Lenz, Ryszard Narkowicz, Gregor Hlawacek, Kay Potzger, Olav Hellwig, Jürgen Fassbender, Jürgen Lindner, Rantej Bali

Sci Rep 12, 14809 (2022)

DOI: 10.1038/s41598-022-15959-0


182. Control and tunability of magnetic bubble states in multilayers with strong perpendicular magnetic anisotropy at ambient conditions

R. Salikhov, F. Samad, S.S.P.K. Arekapudi, J. Lindner, N. Kiselev and O. Hellwig

Phys. Rev. B 106, (2022)

DOI: 10.1103/PhysRevB.106.054404


181. Spin polarization of electrons through α-helix-polyalanine molecules studied with spin-unpolarized scanning tunneling microscopy

Nguyen T. N. Ha, L. Rasabathina, O. Hellwig, A. Sharma, G. Salvan, L. T. Baczewski, S. Yochelis, Y. Paltiel, C. Tegenkamp

ACS Appl. Mater. Interfaces 14, 38013–38020 (2022)

DOI: 10.1021/acsami.2c08668


180. Application of micro-fabricated microwave resonator in CoPd based magnetic hydrogen gas sensor

Thomas A. Schefer, Ryszard Narkovic, Kilian Lenz, Fabian Ganss, Olav Hellwig, Malcolm P. Robers, Mariusz Martyniuk, Jürgen Lindner and Mikhail Kostylev

Phys. Rev. 18, (2022)

DOI: 10.1103/PhysRevApplied.18.024015


179. Role of vibrational properties and electron-phonon coupling on thermal transport across metal-dielectric interfaces with ultrathin metallic interlayers

Shany Mary Oommen, Lorenzo Fallarino, Jakob Heinze, Olav Hellwig, Simone Pisana

Journal of Physics: Condensed Matter 34, 46 (2022)

DOI: 10.1088/1361-648X/ac926a


178. Tailoring exchange-dominated synthetic layered antiferromagnets: From collective reversal to exchange bias

Benny Böhm, Olav Hellwig

Small 18, 2204804 (2022)

DOI: 10.1002/smll.202204804


177. Collaborative Filler Network for Enhancing the Performance of BaTiO3/PDMS Flexible Piezoelectric Polymer Composite Nanogenerators

Ayda Bouhamed, Nathanael Jöhrmann, Slim Naifar, Benny Böhm, Olav Hellwig, Bernhard Wunderle and Olfa Kanoun

Sensors 22, 4181 (2022)

DOI: 10.3390/s22114181


176. Stimulated Resonant Inelastic X-Ray Scattering in a Solid

Daniel J. Higley, Zhao Chen, Martin Beye, Markus Hantschmann, Alex H. Reid, Virat Mehta, Olav Hellwig, Georgi L. Dakovski, Ankush Mitra, Robin Y. Engel, Tim Maxwell, Yuantao Ding, Stefano Bonetti, Maximilian Bucher, Sebastian Carron, Tyler Chase, Emmanuelle Jal, Roopali Kukreja, Tianmin Liu, Alexander Föhlisch, Hermann A. Dürr, William F. Schlotter, and Joachim Stöhr

Communications Physics 5, 83 (2022)

DOI: 10.1038/s42005-022-00857-8


175. Mechanism of femtosecond laser induced ultrafast demagnetization in ultrathin film magnetic multilayers

Santanu Pan, Fabian Ganss, Suryanarayan Panda, Gabriel Sellge, Chandrima Banerjee, Jaivardhan Sinha, Olav Hellwig and Anjan Barman

Journal of Materials Science 57, 6212–6222 (2022)

DOI: 10.1007/s10853-022-07016-y


174. Magnetic Configuration Driven Femtosecond Spin Dynamics in Synthetic Antiferromagnets

Anulekha De, Sri Sai Phani Kanth Arekapudi, Leopold Koch, Fabian Samad, Surya Narayan Panda, Benny Böhm, Olav Hellwig, and Anjan Barman

ACS Appl. Mater. Interfaces 14, 13970–13979 (2022)

DOI: 10.1021/acsami.2c01555


173. Terahertz charge and spin transport in metallic ferromagnets: The role of crystalline and magnetic order

Kumar Neeraj, Apoorva Sharma, Maria A. Hoffmann, Patrick Matthes, Georgeta Salvan, Olav Hellwig, and Stefano Bonetti

Appl. Phys. Lett. 120, 102406 (2022)

DOI: 10.1063/5.0067443


172. Magnetic separation of rare-earth ions: property database and Kelvin force distribution

Zhe Lei, Barbara Fritzsche, Ruslan Salikhov, K. Schwarzenberger, Olav Hellwig, and Kerstin Eckert

J. Phys. Chem. C 126, 2226 (2022)

DOI: 10.1021/acs.jpcc.1c09748


171. State-resolved ultrafast charge and spin dynamics in [Co/Pd] multilayers

Loic Le Guyader, Daniel J. Higley, Matteo Pancaldi,5 Tianmin Liu, Zhao Chen, Tyler Chase, Patrick W. Granitzka, Giacomo Coslovich, Alberto A. Lutman, Georgi L. Dakovski, William F. Schlotter, Padraic Shafer, Elke Arenholz, Olav Hellwig, Mark L. M. Lalieu, Bert Koopmans, Alexander H. Reid, Stefano Bonetti, Joachim Stöhr, and Hermann A. Dürr

Appl. Phys. Lett. 120, 032401 (2022)

DOI: 10.1063/5.0076953


170. Highly Tunable Magnetic and Magnetotransport Properties of Exchange Coupled Ferromagnet/Antiferromagnet-Based Heterostructures

Sri Sai Phani Kanth Arekapudi, Daniel Bülz, Fabian Ganss, Fabian Samad, Chen Luo, Dietrich R. T. Zahn, Kilian Lenz, Georgeta Salvan, Manfred Albrecht, and Olav Hellwig

ACS Applied Materials & Interfaces 13, 59497-59510 (2021)

DOI: 10.1021/acsami.1c18017


169. Agility of Spin Hall Nano-Oscillators

F. J. T. Gonçalves, T. Hache, M. Bejarano, T. Hula, O. Hellwig, J. Fassbender, and H. Schultheiss

Phys. Rev. Applied 16, 054050 (2021)

DOI: 10.1103/PhysRevApplied.16.054050


168. B20–MnSi films grown on Si(100) substrates with magnetic skyrmion signature

Zichao Li, Ye Yuan, René Hübner, Viktor Begeza, Thomas Naumann, Lars Rebohle, Olav Hellwig, Manfred Helm, Kornelius Nielsch, Slawomir Prucnal, and Shengqiang Zhou

Materials Today Physics 21, 100541 (2021)

DOI: 10.1016/j.mtphys.2021.100541


167. Control of Stripe-Domain-Wall Magnetization in Multilayers Featuring Perpendicular Magnetic Anisotropy

Ruslan Salikhov, Fabian Samad, Benny Böhm, Sebastian Schneider, Darius Pohl, Bernd Rellinghaus, Aladin Ullrich, Manfred Albrecht, Jürgen Lindner, Nikolai S. Kiselev, and Olav Hellwig

Phys. Rev. Applied 16, 034016 (2021)

DOI: 10.1103/PhysRevApplied.16.034016


166. Laser induced crystallization of Co–Fe–B films

Maria Almeida, Apoorva Sharma, Patrick Matthes, Nicole Köhler, Sandra Busse, Matthias Müller, Olav Hellwig, Alexander Horn, Dietrich R. T. Zahn, Georgeta Salvan and Stefan E. Schulz

Scientific Reports 11, 14104 (2021)

DOI: 10.1038/s41598-021-93009-x


165. Controlled and deterministic creation of synthetic antiferromagnetic domains by focused ion beam irradiation

Fabian Samad, Gregor Hlawacek, Sri Sai Phani Kanth Arekapudi, Xiaomo Xu, Leopold Koch, Miriam Lenz and Olav Hellwig

Appl. Phys. Lett. 119, 022409 (2021)

DOI: 10.1063/5.0049926


164. Noncollinear Remanent Textures Induced by Surface Spin Flop in Synthetic Antiferromagnets with Perpendicular Anisotropy

Benny Böhm, Lorenzo Fallarino, Darius Pohl, Bernd Rellinghaus and Olav Hellwig

Phys. Rev. Applied 16, 014028 (2021)

DOI: 10.1103/PhysRevApplied.16.014028


163. CoCrFeNi High-Entropy Alloy Thin Films Synthesised by Magnetron Sputter Deposition from Spark Plasma Sintered Targets

Holger Schwarz, Thomas Uhlig, Niels Rösch, Thomas Lindner, Fabian Ganss, Olav Hellwig, Thomas Lampke, Guntram Wagner and Thomas Seyller

Coatings 11, 468 (2021)

DOI: 10.3390/coatings11040468


162. A hybrid piezoelectric composite flexible film based on PVDF-HFP for boosting power generation

Ayda Bouhamed, Qin Binyu, Benny Böhm, Nathanael Jöhrmann, Bernhard Wunderle, Olav Hellwig and Olfa Kanoun

Composites Science and Technology 208, 108769 (2021)

DOI: 10.1016/j.compscitech.2021.108769


161. Nondiffusive Transport and Anisotropic Thermal Conductivity in High-Density Pt/Co Superlattices

Mohammadreza Shahzadeh, Olga Andriyevska, Ruslan Salikhov, Lorenzo Fallarino, Olav Hellwig, and Simone Pisana

ACS Appl. Electron. Mater. 3, 1931–1936 (2021)

DOI: 10.1021/acsaelm.1c00151


160. Robustness of the remanent magnetic domain pattern formation and associated stripe-bubble transitions in Co/Pt multilayers against field sequencing

Aaron Gentillon, Carson Richards, Luis A. Ortiz-Flores, Jeremy Metzner, David Montealegre, Matthew Healey, Kelsey Cardon, Andrew Westover, Olav Hellwig and Karine Chesnel

AIP Advances 11, 015339 (2021)

DOI: 10.1063/9.0000214


159. Direct imaging of distorted vortex structures and magnetic vortex annihilation processes in ferromagnetic/antiferromagnetic disk structures

Sri Sai Phani Kanth Arekapudi, Benny Böhm, Lakshmi Ramasubramanian, Fabian Ganss, Peter Heinig, Sven Stienen, Ciarán Fowley, Kilian Lenz, Alina M. Deac, Manfred Albrecht, and Olav Hellwig

Phys. Rev. B 103, 014405 (Editors' Suggestion) (2021)

DOI: 10.1103/PhysRevB.103.014405


158. Inertial spin dynamics in ferromagnets

Kumar Neeraj, Nilesh Awari, Sergey Kovalev, Debanjan Polley, Nanna Zhou Hagström, Sri Sai Phani Kanth Arekapudi, Anna Semisalova, Kilian Lenz, Bertram Green, Jan-Christoph Deinert, Igor Ilyakov, Min Chen, Mohammed Bawatna, Valentino Scalera, Massimiliano d’Aquino, Claudio Serpico, Olav Hellwig, Jean-Eric Wegrowe, Michael Gensch, Stefano Bonetti

Nat. Phys. 17, 245-250 (2021)

DOI: 10.1038/s41567-020-01040-y


157. Higher-order ferromagnetic resonances in out-of-plane saturated Co/Au magnetic multilayers

L. Fallarino, S. Stienen, R. A. Gallardo, J. A. Arregi, V. Uhlíř, K. Lenz, R. Hübner, A. Oelschlägel, O. Hellwig, and J. Lindner

Phys. Rev. B 102, 094434 (2020)

DOI: 10.1103/PhysRevB.102.094434


156. Coupling of Lamb Waves and Spin Waves in Multiferroic Heterostructures

Sidhant Tiwari, Joseph D. Schneider, Sebastian Wintz, S. S. P. K. Arekapudi, Killian Lenz, Andres Chavez, Jürgen Lindner, Olav Hellwig, Gregory P. Carman, Robert N. Candler

IEEE/ASME Journal of Microelectromechanical Systems 29, 1121-1123 (2020)

DOI: 10.1109/JMEMS.2020.3017138


155. Control of magneto-optical properties of cobalt-layers by adsorption of α-helical polyalanine self-assembled monolayers

Apoorva Sharma, Patrick Matthes, Ivan Soldatov, Sri Sai Phani Kanth Arekapudi, Benny Böhm, Marina Lindner, Oleksandr Selyshchev, Nguyen Thi Ngoc Ha, Michael Mehring, Christoph Tegenkamp, Stefan E Schulz, Dietrich R. T. Zahn, Yossi Paltiel, Olav Hellwig, Georgeta Salvan

J. Mater. Chem. C 8, 11822-11829 (2020)

DOI: 10.1039/D0TC02734K


154. Spin stress contribution to the lattice dynamics of FePt

Alexander von Reppert, Lisa Willig, Jan-Etienne Pudell, Steffen Zeuschner, Gabriel Sellge, Fabian Ganss, Olav Hellwig, Jon Ander Arregi, Vojtěch Uhlíř, Aurélien Crut, Matias Bargheer

Sci. Adv. 6, eaba1142 (2020)

DOI: 10.1126/sciadv.aba1142


153. Bipolar spin Hall nano-oscillators

T. Hache, Y. Li, T. Weinhold, B. Scheumann, F. J. T. Goncalves, O. Hellwig, J. Fassbender, and H. Schultheiss

Appl. Phys. Lett. 116, 192405 (2020)

DOI: 10.1063/5.0008988


152. Freestanding Positionable Microwave-Antenna Device for Magneto-Optical Spectroscopy Experiments

T. Hache, M. Vaňatka, L. Flajšman, T. Weinhold, T. Hula, O. Ciubotariu, M. Albrecht, B. Arkook, I. Barsukov, L. Fallarino, O. Hellwig, J. Fassbender, M. Urbánek, and H. Schultheiss

Phys. Rev. Applied 13, 054009 (2020)

DOI: 10.1103/PhysRevApplied.13.054009


151. Topological Hall Effect in Single Thick SrRuO3 Layers Induced by Defect Engineering

Changan Wang, Ching-Hao Chang, Andreas Herklotz, Chao Chen, Fabian Ganss, Ulrich Kentsch, Deyang Chen, Xingsen Gao, Yu-Jia Zeng, Olav Hellwig, Manfred Helm, Sibylle Gemming, Ying-Hao Chu, and Shengqiang Zhou

Adv. Electron. Mater. 6, 2000184 (2020)

DOI: 10.1002/aelm.202000184


150. Crystallization of optically thick films of CoxFe80−xB20: Evolution of optical, magneto-optical, and structural properties

Apoorva Sharma, Maria A. Hoffmann, Patrick Matthes, Olav Hellwig, Cornelia Kowol, Stefan E. Schulz, Dietrich R. T. Zahn, and Georgeta Salvan

Phys. Rev. B 101, 054438 (2020)

DOI: 10.1103/PhysRevB.101.054438


149. Manipulating the Energy Balance of Perpendicular-Anisotropy Synthetic Antiferromagnets by He+-Ion Irradiation

Leopold Koch, Fabian Samad, Miriam Lenz, and Olav Hellwig

Phys. Rev. Appl. 13, 024029 (2020)

DOI: 10.1103/PhysRevApplied.13.024029


148. Ion-Irradiation-Induced Cobalt/Cobalt Oxide Heterostructures: Printing 3D Interfaces

Oğuz Yıldırım, Donovan Hilliard, Sri Sai Phani Kanth Arekapudi, Ciarán Fowley, Hamza Cansever, Leopold Koch, Lakshmi Ramasubramanian, Shengqiang Zhou, Roman Böttger, Jürgen Lindner, Jürgen Faßbender, Olav Hellwig, and Alina M. Deac

ACS Appl. Mater. Interfaces 12, 9858 (2020)

DOI: 10.1021/acsami.9b13503


147. Edge localization of spin waves in antidot multilayers with perpendicular magnetic anisotropy

S. Pan, S. Mondal, M. Zelent, R. Szwierz, S. Pal, O. Hellwig, M. Krawczyk, and A. Barman

Phys. Rev. B 101, 014403 (2020)

DOI: 10.1103/PhysRevB.101.014403


146. Finite-size effects in ultrafast remagnetization dynamics of FePt

Lisa Willig, Alexander von Reppert, Marwan Deb, Fabian Ganss, Olav Hellwig, and Matias Bargheer

Phys. Rev. B 100, 224408 (2019)

DOI: 10.1103/PhysRevB.100.224408


145. Femtosecond X-ray induced changes of the electronic and magnetic response of solids from electron redistribution

Daniel J. Higley, Alex H. Reid, Zhao Chen, Loic Le Guyader, Olav Hellwig, Alberto A. Lutman, Tianmin Liu, Padraic Shafer, Tyler Chase, Georgi L. Dakovski, Ankush Mitra, Edwin Yuan, Justine Schlappa, Hermann A. Dürr, William F. Schlotter, Joachim Stöhr

Nat. Commun. 10, 5289 (2019)

DOI: 10.1038/s41467-019-13272-5


144. Spectroscopic ellipsometry and magneto-optical Kerr effect spectroscopy study of thermally treated Co60Fe20B20 thin films

Maria A. Hoffmann, Apoorva Sharma, Patrick Matthes, Shun Okano, Olav Hellwig, Ramona Ecke, Dietrich R. T. Zahn, Georgeta Salvan, Stefan E. Schulz

J. Phys.: Condens. Matter 32, 055702 (2019)

DOI: 10.1088/1361-648X/ab4d2f


143. Antiferromagnetic domain wall control via surface spin flop in fully tunable synthetic antiferromagnets with perpendicular magnetic anisotropy

Benny Böhm, Lorenzo Fallarino, Darius Pohl, Bernd Rellinghaus, Kornelius Nielsch, Nikolai S. Kiselev, and Olav Hellwig

Phys. Rev. B 100, 140411(R) (2019)

DOI: 10.1103/PhysRevB.100.140411


142. Reconfigurable Spin-Wave Nonreciprocity Induced by Dipolar Interaction in a Coupled Ferromagnetic Bilayer

R. A. Gallardo, T. Schneider, A. K. Chaurasiya, S. S. P. K. Arekapudi, A. Roldan-Molina, R. Hübner, K. Lenz, A. Barman, J. Fassbender, J. Lindner, O. Hellwig, and P. Landeros

Phys. Rev. Appl. 12, 034012 (2019)

DOI: 10.1103/PhysRevApplied.12.034012


141. Domain Wall Based Spin-Hall Nano-Oscillators

N. Sato, K. Schultheiss, L. Körber, N. Puwenberg, T. Mühl, A.A. Awad, S.S.P.K. Arekapudi, O. Hellwig, J. Fassbender, and H. Schultheiss

Phys. Rev. Lett. 123, 057204 (2019)

DOI: 10.1103/PhysRevLett.123.057204


140. Synthesis of Mg and Zn Diolates and their Use in Metal Oxide Deposition

Peter Frenzel, Andrea Preuß, Jörn Bankwitz, Colin Georgi, Fabian Ganss, Lutz Mertens, Stefan E. Schulz, Olav Hellwig, Michael Mehring, and Heinrich Lang

RSC Adv. 9, 10657 (2019)

DOI: 10.1039/C9RA00585D


139. Combined frequency and time domain measurements on injection-locked, constriction-based spin-Hall nano-oscillators

T. Hache, T. Weinhold, K. Schultheiss, J. Stigloher, F. Vilsmeier, C. Back, S.S.P.K. Arekapudi, O. Hellwig, J. Fassbender, and H. Schultheiss

Appl. Phys. Lett. 114, 102403 (2019)

DOI: 10.1063/1.5082692


138. All-Optical Multipulse Pump-Probe Method for Selective Control of Magnetization Precessions in Magnetic Multilayers

Cassidy Berk, Fabian Ganss, Mike Jaris, Manfred Albrecht, and Holger Schmidt

IEEE J. Sel. Top. Quantum Electron. 25, 8800205 (2019)

DOI: 10.1109/JSTQE.2019.2899779


137. Control of domain structure and magnetization reversal in thick Co/Pt multilayers

L. Fallarino, A. Oelschlägel, J. A. Arregi, A. Bashkatov, F. Samad, B. Böhm, K. Chesnel, and O. Hellwig

Phys. Rev. B 99, 024431 (2019)

DOI: 10.1103/PhysRevB.99.024431


136. The influence of the internal domain wall structure on spin wave band structure in periodic magnetic stripe domain patterns

Pawel Gruszecki, Chandrima Banerjee, Michal Mruczkiewicz, Olav Hellwig, Anjan Barman, and Maciej Krawczyk

Solid State Physics 70, Chapter Two, 79-132 (2019)

DOI: 10.1016/bs.ssp.2019.09.003


135. Morphological stripe-bubble transition in remanent magnetic domain patterns of Co/Pt multilayer films and its dependence on Co thickness

Karine Chesnel, Andrew S. Westover, Carson Richards, Brittni Newbold, Matthew Healey, Lauren Hindman, Berg Dodson, Kelsey Cardon, David Montealegre, Jeremy Metzner, Tobias Schneider, Benny Böhm, Fabian Samad, Lorenzo Fallarino and Olav Hellwig

Phys. Rev. B 98, 224404 (2018)

DOI: 10.1103/PhysRevB.98.224404


134. Ultrafast Self-Induced X-Ray Transparency and Loss of Magnetic Diffraction

Z. Chen, D. J. Higley, M. Beye, M. Hantschmann, V. Mehta, O. Hellwig, A. Mitra, S. Bonetti, M. Bucher, S. Carron, T. Chase, E. Jal, R. Kukreja, T. Liu, A. H. Reid, G. L. Dakovski, A. Föhlisch, W. F. Schlotter, H. A. Dürr, and J. Stöhr

Phys. Rev. Lett. 121, 137403 (2018)

DOI: 10.1103/PhysRevLett.121.137403


133. Ultrafast laser generated strain in granular and continuous FePt thin films

A. von Reppert, L. Willig, J.-E. Pudell, M. Rössle, W. Leitenberger, M. Herzog, F. Ganss, O. Hellwig, and M. Bargheer

Appl. Phys. Lett. 113, 123101 (2018)

DOI: 10.1063/1.5050234


132. High-frequency measurements of thermophysical properties of thin films using a modified broad-band frequency domain thermoreflectance approach

Mohammadreza Shahzadeh, Mizanur Rahman, Olav Hellwig, and Simone Pisana

Review of Scientific Instruments 89, 084905 (2018)

DOI: 10.1063/1.5037117


131. Measuring the thermal properties of anisotropic materials using beam-offset frequency domain thermoreflectance

Mizanur Rahman, Mohammadreza Shahzadeh, Philipp Braeuninger-Weimer, Stephan Hofmann, Olav Hellwig, and Simone Pisana

Journal of Applied Physics 123, 245110 (2018)

DOI: 10.1063/1.5033966


130. Beyond a phenomenological description of magnetostriction

A. H. Reid, X. Shen, P. Maldonado, T. Chase, E. Jal, P. Granitzka1, K. Carva, R. K. Li, J. Li, L. Wu, T. Vecchione, T. Liu, Z. Chen, D.J. Higley, N. Hartmann, R. Coffee, J. Wu, G.L. Dakowski, W. Schlotter, H. Ohldag, Y.K. Takahashi, V. Mehta, O. Hellwig, A. Fry, Y. Zhu, J. Cao1, E.E. Fullerton1, J. Stöhr, P. M. Oppeneer, X.J. Wang, H.A. Dürr

Nature Communications 9, Article number: 388 (2018)

DOI: 10.1038/s41467-017-02730-7


129. All-optical measurement of interlayer exchange coupling in Fe/Pt/FePt thin films

C. Berk, F. Ganss, M. Jaris, M. Albrecht, and H. Schmidt

Appl. Phys. Lett. 112, 052401 (2018)

DOI: 10.1063/1.5004686

128. Thermally induced magnetic switching in bit-patterned media

B. Pfau, C. M. Günther, T. Hauet, S. Eisebitt, and O. Hellwig

J. Appl. Phys. 122, 043907 (2017)

DOI: 10.1063/1.4992808


127. Magnetic Switching in Granular FePt Layers Promoted by Near-Field Laser Enhancement

P. W. Granitzka, E. Jal, L. Le Guyader, M. Savoini, D. J. Higley, T. Liu, Z. Chen, T. Chase, H. Ohldag, G. L. Dakovski, W. F. Schlotter, S. Carron, M. C. Hoffman, A. X. Gray, P. Shafer, E. Arenholz, O. Hellwig, V. Mehta, Y. K. Takahashi, J. Wang, E. E. Fullerton, J. Stöhr, A. H. Reid, and H. A. Dürr

Nano Lett. 17, 2426 (2017)

DOI: 10.1021/acs.nanolett.7b00052


126. Magnonic band structure in a Co/Pd stripe domain system investigated by Brillouin light scattering and micromagnetic simulations

C. Banerjee, P. Gruszecki, J. W. Klos, O. Hellwig, M. Krawczyk, and A. Barman

Phys. Rev. B 96, 024421 (2017)

DOI: 10.1103/PhysRevB.96.024421


125. Double exchange bias in ferrimagnetic heterostructures

B. Hebler, P. Reinhardt, G. L. Katona, O. Hellwig, and M. Albrecht

Phys. Rev. B 95, 104410 (2017)

DOI: 10.1103/PhysRevB.95.104410


124. Model-based magnetization retrieval from holographic phase images

Falk Röder, Karin Vogel, Daniel Wolf, Olav Hellwig, Sung Hun Wee, Sebastian Wicht, and Bernd Rellinghaus

Ultramicroscopy 176, 177 (2017)

DOI: 10.1016/j.ultramic.2016.11.003

123. Accumulative magnetic switching of ultra-high-density recording media by circularly polarized light

Y.K. Takahashi, R. Medapalli, S. Kasai, J. Wang, K. Ishioka, S.H. Wee, O. Hellwig, K. Hono, and E.E. Fullerton

Physical Review Applied 6, 054004 (2016)

DOI: 10.1103/PhysRevApplied.6.054004


122. Influence of crystallographic structure on the thermal conductivity of FePt thin films

Ashutosh Giri, Sung Hun Wee, Olav Hellwig, and Patrick E. Hopkins

Scientific Reports 6 (2016) 32077,

DOI: 10.1038/srep32077


121. Helicity and field dependent magnetization dynamics of ferromagnetic Co/Pt

multilayers

Yu. Tsema, G. Kichin, O. Hellwig, V. Metha, A. V. Kimel, A. Kirilyuk, and Th. Rasing

Appl. Phys. Lett. 109 (2016) 072405.

DOI: 10.1063/1.4961246


120. Elimination of X-Ray Diffraction through Stimulated X-Ray Transmission

B. Wu, T. Wang, C. E. Graves, D. Zhu, W. F. Schlotter, J. J. Turner, O. Hellwig, Z. Chen,

H. A. Dürr, A. Scherz, and J. Stöhr

Phys. Rev. Lett. 117 (2016) 027401.

DOI: 10.1103/PhysRevLett.117.027401


119. Atomic resolution strain analysis in highly textured FePt thin films

S. Wicht, S. H. Wee, O. Hellwig, V. Mehta, S. Jain, D. Weller, and B. Rellinghaus

J. Appl. Phys. 119 (2016) 115301.

DOI: 10.1063/1.4943936


118. Enhancement of magnetic domain topologies in Co/Pt thin films by fine tuning the magnetic field path through out the hysteresis loop

Andrew S.Westover, Karine Chesnel, Kelsey Hatch, Philip Salter, Olav Hellwig

J. Magn. Magn. Mater. 399 (2016) 164.

DOI: 10.1016/j.jmmm.2015.09.040

117. Bit Patterned Magnetic Recording: Theory, Media Fabrication, and Recording Performance

Thomas R. ALBRECHT, Hitesh ARORA, Vipin AYANOOR-VITIKKATE, Jean-Marc BEAUJOUR, Daniel BEDAU, David BERMAN, Alexei L. BOGDANOV, Yves-Andre CHAPUIS, Julia CUSHEN, Elizabeth E. DOBISZ, Gregory DOERK, He GAO, Michael GROBIS, Bruce GURNEY, Fellow, IEEE, Weldon HANSON, Olav HELLWIG, Toshiki HIRANO, Jeffrey LILLE, Pierre-Olivier JUBERT, Dan KERCHER, Zuwei LIU, C. Mathew MATE, Iouri OBOUKHOV, Kanaiyalal C. PATEL, Kurt RUBIN, Ricardo RUIZ, Manfred SCHABES, Lei WAN, Dieter WELLER, Tsai-Wei WU, and En YANG

IEEE Trans. Magn. 51 (2015) 0800342.

DOI: 10.1109/TMAG.2015.2397880


116. Extracting magnetic cluster size and its distributions in advanced perpendicular recording media with shrinking grain size using small angle x-ray scattering

Virat Mehta, Tianhan Wang, Yoshihiro Ikeda, Ken Takano, Bruce D. Terris, Benny Wu, Catherine Graves, Michael Shu, Andreas Scherz, Jo Stöhr and Olav Hellwig

Appl. Phys. Lett. 106 , (2015) 202403.

DOI: 10.1063/1.4921403


115. Curie temperature distribution in FePt granular media

Simone Pisana, Shikha Jain, James W. Reiner, Oleksandr Mosendz, Gregory J. Parker, Matteo Staffaroni, Olav Hellwig, and Barry C. Stipe

IEEE Trans. Magn. 51 (2015) 3200205 (TMRC proceeding).

DOI: 10.1063/1.4873543


114. Modification of the structural and magnetic properties of granular FePt films by seed layer conditioning

S. Wicht, V. Neu, L. Schultz, V. Mehta, S. Jain, J. Reiner, O. Mosendz, O. Hellwig, D. Weller, and B. Rellinghaus

J. Appl. Phys. 117 (2015) 013907.

DOI10.1063/1.4905422

113. Optically Induced Spin Wave Dynamics in [Co/Pd]8 Antidot Lattices with Perpendicular Magnetic Anisotropy

S. Pal, J. W. Klos, K. Das, O. Hellwig, P. Gruszecki, M. Krawczyk, and A. Barman

Appl. Phys. Lett. 105 (2014) 162408.

DOI: 10.1063/1.4898774


112. Influence of stray fields on the switching-field distribution for bit-patterned media based on pre-patterned substrates

B. Pfau, C. M. Günther, E. Guehrs, T. Hauet, T. Hennen, S. Eisebitt, and O. Hellwig

Appl. Phys. Lett. 105 (2014) 132407.

DOI: 10.1063/1.4896982


111. Bit Patterned Media Optimization at 1 Tdot/in2 by Post-Annealing

Olav Hellwig, Ernesto E. Mariners, Dan Kescher, Tyler Hennen, Andrew McCallum, Elizabeth Dobisz, Tsai-Wei Wu, Jeff Lille, Toshiki Hirano, Ricardo Ruiz, Michael K. Grobis, Dieter Weller and Thomas R. Albrecht

J. Appl. Phys. 116 (2014) 123913.

DOI: 10.1063/1.4896667


110. Measurement of the Curie temperature Distribution in FePt granular magnetic  media

S. Pisana, S. Jain, J. W. Reiner, G. J. Parker, C. C. Poon, O. Hellwig, and B. C. Stipe

Appl. Phys. Lett. 104 (2014) 162407.

DOI: 10.1063/1.4873543


109. Influence of magnetic domain size on dipolar interactions and hysteresis field asymmetry in layered high/low coercivity perpendicular anisotropy systems

Thomas Hauet and Olav Hellwig

J. Appl. Phys. 115 (2014) 123911.

DOI: 10.1063/1.4870136


108. Effect of the Spin-Twist Structure on the Spin-Wave Dynamics of the Fe55Pt45/Ni80Fe20 Exchange Coupled Bilayers with varying Ni80Fe20 thicknesses

Semanti Pal, Saswati Barman, Olav Hellwig, Anjan Barman

J. Appl. Phys. 115 (2014) 17D105.

DOI: 10.1063/1.4855015

107. Magnetic design evolution in perpendicular magnetic recording media as revealed by resonant small angle x-ray scattering

Tianhan Wang, Virat Mehta, Yoshihiro Ikeda, Hoa Do, Kentaro Takano, Sylvia Florez, Bruce D. Terris, Benny Wu, Catherine Graves, Michael Shu, Ramon Rick, Andreas Scherz, Joachim Stohr, and Olav Hellwig

Appl. Phys. Lett. 103 (2013) 112403.

DOI: 10.1063/1.4820921


106. Influence of structural disorder on magnetic domain formation in perpendicular anisotropy thin films

M. S. Pierce, J. E. Davies, J. J. Turner, K. Chesnel, E. E. Fullerton, J. Nam, R. Hailstone, S. D. Kevan, J. B. Kortright, Kai Liu, L. B. Sorensen, B. R. York, and O. Hellwig

Phys. Rev. B 87 (2013) 184428.

DOI: 10.1103/PhysRevB.87.184428


105. Stoner enhanced paramagnetic influence on superconductivity in a superconductor/metallic heterostructure

S. J. Ray, S.J. Lister, S.L. Lee, O. Hellwig, J. Stahn

Physica C 487 (2013) 67.

DOI: 10.1016/j.physc.2013.01.019


104. Bit Patterned Media at 1 Tdot/in2 and Beyond

Thomas R. Albrecht, Daniel Bedau, Elizabeth Dobisz, He Gao, Michael Grobis, Olav Hellwig, Dan Kercher, Jeffrey Lille, Ernesto Marinero, Kanaiyalal Patel, Ricardo Ruiz, Manfred E. Schabes, Lei Wan, Dieter Weller, and Tsai-Wei Wu

IEEE Trans. Magn. 49 (2013) 773 (TMRC 2012 proceeding)

DOI: 10.1109/TMAG.2012.2227303

103. Diamondoid coating enables disruptive approach for chemical and magnetic imaging with 10 nm spatial resolution

Hitoshi Ishiwata, Yves Acremann, Andreas Scholl, Eli Rotenberg, Olav Hellwig, Elizabeth Dobisz, Andrew Doran, Boryslav A. Tkachenko, Andrey A. Fokin, Peter R. Schreiner, Jeremy E.P. Dahl, Robert M. K. Carlson, Nick Melosh, Zhi-Xun. Shen and Hendrik Ohldag

Appl. Phys. Lett. 101 (2012) 163101.

DOI: 10.1063/1.4756893


102. Fabrication of 1 Teradot/in2 CoCrPt bit patterned media and recording performance with a conventional read/write head

Elizabeth A. Dobisz, Dan Kercher, Michael Grobis, Olav Hellwig, Ernesto E. Marinero, Dieter Weller, and Thomas R. Albrecht

Journal of Vacuum Science Technology B (30)6.

DOI: 10.1116/1.4757955


101. Rapid preparation of electron beam induced deposition Co MFM tips with 10 nm spatial resolution

L. Belova, O. Hellwig, E. Dobisz, E. D. Dahlberg

Review of Scientific Instruments 83 (2012) 093711.

DOI: 10.1063/1.4752225


100. Modifications of magnetic anisotropy and magnetization reversal in [Co0.4nm/Pd0.7nm]50 multilayers induced by 10 keV-He ion bombardment

Arno Ehresmann, Olav Hellwig, Oliver Buhl, Nicolas David Müglich, Tanja Weis, and Dieter Engel,

J. Appl. Phys. 112 (2012) 063901.

DOI: 10.1063/1.4752274


99. Prevention of dewetting during annealing of FePt films for bit patterned media applications

A. T. McCallum, J. Lille, D. Weller and O. Hellwig

Appl. Phys. Lett. 101 (2012) 092402.

DOI: 10.1063/1.4748162


98. Femtosecond Single-shot Imaging of Nanoscale Ferromagnetic Order in Co/Pd Multilayers Using Resonant X-Ray Holography

Tianhan Wang, Diling Zhu, Benny Wu, Catherine Graves, Stefan Schaffert, Torbjoern Rander, Leonard Mueller, Boris Vodungbo, Cedric Baumier, David P. Bernstein, Bjoern Braeuer, Vincent Cros, Sanne De Jong, Renauld Delaunay, Andreas Fognini, Roopali Kukreja, Sooheyong Lee, Victor-Lopez-Flores, Jyoti Mohanty, Bastian Pfau, Horia Popescu, Maurizio Sacchi, Anna B. Sardinha, Marc Messerschmidt, Joshua J. Turner, William F. Schlotter, Olav Hellwig, Yves Acremann, Christian Gutt, Jean Yves Bigot, Hermann Duerr, Christine Boeglin, Joachim Stoehr, Eric Beaurepaire, Stefan Eisebitt, Gerhard Gruebel, Jan Luening, Joachim Stohr and Andreas Scherz

Phys. Rev. Lett. 108 (2012) 267403.

DOI: 10.1103/PhysRevLett.108.267403


97. Time-resolved measurement of spin-wave spectra in CoO capped [Co(t)/Pt(7Å)]n-1 Co(t) multilayer systems

S. Pal, B. Rana, S. Saha, R. Mandal, O. Hellwig, J. Romero-Vivas, S. Mamica, J. W. Klos, M. Mruczkiewicz, M. L. Sokolovskyy, M. Krawczyk, and A. Barman

J. Appl. Phys. 111 (2012) 07C507.

DOI: 10.1063/1.3672857


96. Generation and Control of Ultrashort-Wavelength 2D Surface Acoustic Waves at nanoscale interfaces

Qing Li, Kathleen Hoogeboom-Pot, Damiano Nardi, Margaret M. Murnane, Henry C. Kapteyn, Mark E. Siemens, Erik H. Anderson, Olav Hellwig, Elizabeth Dobisz and Bruce Gurney, Ronggui Yang and Keith A. Nelson

Phys. Rev. B 85, (2012) 195431.

DOI: 10.1103/PhysRevB.85.195431

95. L10 FePtCu bit patterned media

C. Brombacher, M. Grobis, J. Lee, J. Fidler, T. Eriksson, T. Werner, O. Hellwig, and M. Albrecht,

Nanotechnology 23 (2011) 025301.

DOI: 10.1088/0957-4484/23/2/025301


94. Observation of Laser Induced Magnetization Dynamics in Co/Pd Multilayers with Coherent X-ray Scattering

B. Wu, D. Zhu, Y. Acremann, T.A. Miller, A.M. Lindenberg, O. Hellwig, J. Stohr, and A. Scherz,

Appl. Phys. Lett. 99 (2011) 252505.

DOI: 10.1063/1.3670305


93. Impact of Out-of-Plane Translational Order in Block Copolymer Lithography

Joan K. Bosworth, Olav Hellwig, Elizabeth Dobisz, Ricardo Ruiz

Macromolecules, 44 (23), (2011) 9196.

DOI: 10.1021/ma201967a


92. Quantitative Magnetic Force Microscopy study of the diameter evolution of bubble domains in a (Co/Pd)80 multilayer

Silvia Vock, Zolt´an Sasv´ariy, Cristina Bran, Fabian Rhein, Ulrike Wolff, Nikolai Kiselev, Alexei Bogdanov, Ludwig Schultz, Olav Hellwig, and Volker Neu

IEEE Transactions on Magnetics, Vol. 47, No. 10, (2011) 2352.

DOI: 10.1109/TMAG.2011.2155630


91. Magnetic ground and remanent states of synthetic metamagnets with perpendicular anisotropy

N. S. Kiselev, U. K. Roeßler, A. N. Bogdanov and O. Hellwig

J. Phys.: Conf. Ser. 303 (2011) 012051.

DOI: 10.1088/1742-6596/303/1/012051


90. Origin of magnetic switching field distribution in bit patterned media based on pre-patterned substrates

B. Pfau, C. M. Günther, E. Guehrs, T. Hauet, E. Dobisz, D. Kercher, H. Yang, L. Vinh, X. Xu, D. Yaney,  R. L. Rick, S. Eisebitt, and O. Hellwig,

Appl. Phys. Lett. 99 (2011) 062502.

DOI: 10.1063/1.3623488


89. Tuning the magnetic properties of Co nanoparticles by Pt capping

A. Ebbing, O. Hellwig, L. Agudo, G. Eggeler, and O. Petracic,

Phys. Rev. B 84 (2011) 012405.

DOI: 10.1103/PhysRevB.84.012405


88. L10 FePt Based Exchange Coupled Composite Bit Patterned Films

A. T. McCallum, P. Krone, F. Springer, C. Brombacher, M. Albrecht, E. Dobisz, M. Grobis, D. Weller and O. Hellwig,

Appl. Phys. Lett. 98 (2011) 242503.

DOI: 10.1063/1.3599573


87. Recording Study on Percolated Perpendicular Media

Michael Grobis, Carsten Schulze, Marco Faustini, David Grosso, Olav Hellwig, Denys Makarov, and Manfred Albrecht

Appl. Phys. Lett. 98 (2011) 192504.

DOI: 10.1063/1.3587635


86. Influence of ion irradiation on switching field and switching field distribution in arrays of Co/Pd-based bit pattern media

T. Hauet, O. Hellwig, S.-H. Park, C. Beigné, B. D. Terris, and D. Ravelosona

Appl. Phys. Lett. 98 (2011) 172506.

DOI: 10.1063/1.3581896


85. Ferrimagnetic stripe domain formation in antiferromagnetically-coupled Co/Pt-Co/Ni-Co/Pt multilayers studied via soft x-ray techniques

O. Hellwig, C. M. Günther, F. Radu, A. Menzel, W. F. Schlotter, J. Lüning and S. Eisebitt

Appl. Phys. Lett. 98 (2011) 172503.

DOI: 10.1063/1.3583454


84. Probing the time-dependent switching probability of individual patterned magnetic islands

F. Springer, O. Hellwig, E. Dobisz, M. Albrecht, and M. Grobis

J. Appl. Phys. 109 (2011) 07B905.

DOI: 10.1063/1.3540574


83. Anisotropy Measurements of FePt Thin Films

H. J. Richter, O. Hellwig, S. Florez, C. Brombacher, and M. Albrecht

J. Appl. Phys. 109 (2011) 07B713.

DOI: 10.1063/1.3536459


82. Tunable magnonic frequency and damping in [Co/Pd]8 multilayers with variable Co layer thickness

S. Pal, B. Rana, O. Hellwig, T. Thomson, and A. Barman

Appl. Phys. Lett. 98 (2011) 082501.

DOI: 10.1063/1.3559222


81. Thickness dependent magnetization dynamics of perpendicular anisotropy Co/Pd multilayer films

Z. Liu, R. Brandt, O. Hellwig, S. Florez, T. Thomson, B. Terris, and H. Schmidt

J. Magn. Magn. Mater. 323 (2011) 1623.

DOI: 10.1016/j.jmmm.2011.01.025


80. High-Density Bit Patterned Media: Magnetic Design and Recording Performance

Michael Grobis, Olav Hellwig, Thomas Hauet, Elizabeth Dobisz, and Thomas R. Albrecht

IEEE Transactions on Magnetics, Vol. 47, No. 1, (2011) 6.

DOI: 10.1109/TMAG.2010.2076798

79. Exchange Bias and Domain Evolution at 10 nm Scales

I. Schmid, M.A. Marioni, P. Kappenberger, S. Romer, M. Parlinska, and H.J. Hug, O. Hellwig, M.J.Carey, and E.E. Fullerton,

Phys. Rev. Lett. 105 (2010) 197201.

DOI: 10.1103/PhysRevLett.105.197201


78. Intrinsic defects in perpendicularly magnetized multilayer thin films and nanostructures

Justin M. Shaw, Miles Olsen, June Lau, Michael L. Schneider, T.J. Silva, Olav Hellwig, Elizabeth Dobisz and Bruce D. Terris

Phys. Rev. B. 82 (2010) 144437.

DOI: 10.1103/PhysRevB.82.144437


77. Cumulative Minor Loop Growth in Co/Pt- and Co/Pd-Multilayers

A. Berger, S. Mangin, O. Hellwig, E. E. Fullerton

Phys. Rev. B 82 (2010) 104423.

DOI: 10.1103/PhysRevB.82.104423


76. Magnetic imaging at linearly polarized x-ray sources

B. Pfau, C. M. Günther, R. Könnecke, E. Gührs, O. Hellwig, W. F. Schlotter, and S. Eisebitt

Optics Express, Vol. 18, Issue 13, (2010) 13608.

DOI: 10.1364/OE.18.013608


75. Magnetic recording at 1.5 Pb/m2 using an integrated plasmonic antenna

B. C. Stipe, T. Strand, C. Poon, H. Balamane, T. Boone, J. Katine, J-L Li, V. Rawat, H. Nemoto, A. Hirotsune, O. Hellwig, R. Ruiz, E. Dobisz, N. Robertson, T. Albrecht, and B. D. Terris

Nature Photonics 4, (2010) 484 - 488.

DOI: 10.1038/nphoton.2010.90


74. Microscopic Reversal Behavior of Magnetically Capped Nanospheres

C.M. Günther, O. Hellwig, A. Menzel, B. Pfau, F. Radu, D. Makarov, M. Albrecht, W.F.

Schlotter, R. Ramon, J. Lüning, and S. Eisebitt, Phys. Rev. B. 81 (2010) 064411.

DOI: 10.1103/PhysRevB.81.064411


73. Effect of Magnetic Coupling on the Magnetization Reversal in Arrays of Magnetic Nanocaps

T.C. Ulbrich, C. Bran, D. Makarov, O. Hellwig, J.D. Risner-Jamtgaard, D. Yaney, H. Rohrmann, V. Neu, and M. Albrecht

Phys. Rev B. 81, (2010) 054421.

DOI: 10.1103/PhysRevB.81.054421


72. Influence of growth morphology on the Néel temperature of CrRu thin films and heterostructures

A. R. E. Prinsloo, H. A. Derrett, O. Hellwig, E. E. Fullerton, H. L. Alberts and N. van den Berg

J. Magn. Magn. Mater. 322 (2010) 1126.

DOI: 10.1016/j.jmmm.2009.07.063


71. Topological defect in antiferromagnetically coupled multilayers with perpendicular anisotropy

N. S. Kiselev, U. K. Roessler, A. N. Bogdanov and O. Hellwig,

Appl. Phys. Lett. 93, 162502 (2008)

DOI: 10.1063/1.2993328


70. Bit patterned media based on e-beam directed assembly with narrow magnetic switching field distribution

O. Hellwig, J. K. Bosworth, E. Dobisz, D. Kercher T. Hauet, G. Zeltzer, J. D. Risner-Jamtgaard, D. Yaney, and R. Ruiz

Appl. Phys. Lett., 96 (2010) 052511.

DOI: 10.1063/1.3293301


69. Metamagnetic domains in antiferromagnetically coupled multilayers with perpendicular anisotropy

N. S. Kiselev, C. Bran, U. Wolff, L. Schultz, A. N. Bogdanov, O. Hellwig, V. Neu, and U. K. Roessler

Phys. Rev. B. 81 (2010) 054409.

DOI: 10.1103/PhysRevB.81.054409


68. Measurements of the write error rate in bit patterned magnetic recording at 100-300 Gb/in2

M. Grobis, E. Dobisz, O. Hellwig, M. Schabes, T. Hauet, G. Zeltzer, and T. Albrecht,

Appl. Phys. Lett. 96 (2010) 052509.

DOI: 10.1063/1.3304166

67. Role of reversal incoherency in reducing switching field and switching field distribution of exchange coupled composite bit patterned media

T. Hauet, E. Dobisz, S. Florez, J. Park, B. Lengsfield, B.D. Terris and O. Hellwig

Appl. Phys. Lett. 95 (2009) 262504.

DOI: 10.1063/1.3276911


66. Coercivity Tuning in Co/Pd Multilayer Based Bit Patterned Media

O. Hellwig, T. Hauet, T. Thomson, E. Dobisz, J. D. Risner-Jamtgaard, D. Yaney, B. D. Terris and E. E. Fullerton

Appl. Phys. Lett. 95 (2009) 232505.

DOI: 10.1063/1.3271679


65. Revealing the reversible rotation of magnetization in Exchange-Coupled Composite media switching

T. Hauet, S. Florez, D. Margulies, Y. Ikeda, B. Lengsfield, N. Supper, K. Takano, O. Hellwig, and B.D. Terris,

Appl. Phys. Lett. 95 (2009) 222507.

DOI: 10.1063/1.3270535


64. Suppression of the perpendicular anisotropy at the CoO Néel temperature in exchange-biased CoO/[Co/Pt] multilayers

E. Shipton, K. Chan, T. Hauet, O.Hellwig and E. E. Fullerton

Appl. Phys. Lett. 95 (2009) 132509.

DOI: 10.1063/1.3240402


63. Frustration driven stripe domain formation in Co/Pt multilayer films

J. E. Davies, O. Hellwig, E. E. Fullerton, M. Winklhofer, A. D. Shull and K. Liu,

Appl. Phys. Lett. 95 (2009) 022505.

DOI: 10.1063/1.3179553


62. Resonant magnetic scattering with soft x-ray pulses from a free electron laser operating at 1.59 nm

C. Gutt, L.-M. Stadler, S. Streit-Nierobisch, A. Mancuso, A. Schropp, J. Gulden, B. Reime, J. Feldhaus, E. Weckert, I. Vartaniants, B. Pfau, C.M. Günther, R. Könnecke, S. Eisebitt, O. Hellwig, F. Staier, A. Rosenhahn, D. Stickler, H. Stillrich, R. Frömter, H.P. Oepen, M. Martins, T. Nisius, T. Wilhein, A. Brenger, B. Faatz, N. Guerassimova, K. Honkavaara, R. Treusch, E. Saldin, S. Schreiber, E.A. Schneidmiller, M.V. Yurkov, and G. Grübel,

Phys. Rev. B 79 (2009) 212406.

DOI: 10.1103/PhysRevB.79.212406


61. Evolution of stripe and bubble domains in antiferromagnetically coupled [Co/Pt]/Ru multilayers

Cristina Bran, Anna B. Butenko, Nikolai S. Kislev, Ulrike Wolff, Ludwig Schultz, Olav Hellwig, Ulrich K. Roessler, Alexei N. Bogdanov, and Volker Neu

Phys. Rev. B 79 (2009) 024430.

DOI: 10.1103/PhysRevB.79.024430

60. Suppression of Magnetic Trench Material in Bit Patterned Media Fabricated by Blanket Deposition onto Pre-patterned Substrates

O. Hellwig, A. Moser, E. Dobisz, Z. Bandic, H. Yang, D. S. Kercher, J. D. Risner-Jamtgaard, D. Yaney and E. E. Fullerton

Appl. Phys. Lett. 93 (2008) 192501.

DOI: 10.1063/1.3013857


59. Evidence for a dynamic phase transition in [Co/Pt]3 magnetic multilayers

D. T. Robb, X. H. Xu, O. Hellwig, A. Berger, M. A. Novotny, P. A. Rikvold

Phys. Rev. B 78, 134422 (2008).

DOI: 10.1103/PhysRevB.78.134422


58. Topological defects in antiferromagnetically coupled multilayers with perpendicular anisotropy

N. S. Kiselev U. K. Roessler, A. N. Bogdanov, and O. Hellwig

Appl. Phys. Lett. 93 (2008) 162502.

DOI: 10.1063/1.2993328


57. Magnetic coupling in Gd/Ni bilayers

A. Barth, F. Treubel, M. Marszalek, W. Evenson, O. Hellwig, C. Borschel, M. Albrecht, G. Schatz,

J. Phys.: Condensed Matter 20 (2008) 395232.

DOI: 10.1088/0953-8984/20/39/395232


56. Step-like versus Continuous Domain Propagation in Co/Pd-Multilayer Films

C. M. Günther, F. Radu, A. Menzel, S. Eisebitt, W. F. Schlotter, J. Lüning, J. Stöhr, and O. Hellwig

Appl. Phys. Lett. 93, 072505 (2008).

DOI: 10.1063/1.2968305


55. Reversal mechanisms in perpendicularly magnetized nanostructures

Justin M. Shaw, Stephen E. Russek, Thomas Thomson, Michael J. Donahue, Bruce D. Terris, Olav Hellwig, Elizabeth Dobisz and Michael L. Schneider

Phys. Rev. B 78, 024414 (2008).

DOI: 10.1103/PhysRevB.78.024414


54. Field driven ferromagnetic phase evolution originating from the domain boundaries in antiferromagnetically coupled perpendicular anisotropy films

T. Hauet, C. Günther, O. Hovorka, A. Berger, M.-Y. Im, P. Fischer, T. Eimueller and O. Hellwig,

Appl. Phys. Lett. 93, 042505 (2008).

DOI: 10.1063/1.2961001


53. Engineering a magnetic system with antiferromagnetic-to-ferromagnetic phase transition based on Co/Pd multilayers

Jan-Ulrich Thiele, Thomas Hauet and Olav Hellwig,

Appl. Phys. Lett. 92 (2008) 242502.

DOI: 10.1063/1.2946654


52. Direct observation of field and temperature induced domain replication in dipolar coupled perpendicular anisotropy films

T. Hauet, C. Günther, B. Pfau, M. Schabes, S. Eisebitt, P. Fischer, R.L. Rick and O. Hellwig,

Phys. Rev. B 77 (2008) 184421.

DOI: 10.1103/PhysRevB.77.184421


51. Oxidation of epitaxial Y(0001) films via evolution of laterally heterogeneous oxidation channels along defect lines

M. Ay, O. Hellwig, H.W. Becker, B. Hjörvarsson and H. Zabel,

Applied Surface Science 254 (2008) 3184.

DOI: 10.1016/j.apsusc.2007.10.093


50. Temperature Dependent Magnetization Reversal of Perpendicular AF-coupled (Co/Pt)/Ru Multilayers

J. E. Davies, O. Hellwig, E. E. Fullerton, and K. Liu,

Phys. Rev. B 77 (2008) 014421.

DOI: 10.1103/PhysRevB.77.014421


49. The Role of Uncompensated Spins in Exchange Biasing

I. Schmid, P. Kappenberger, O. Hellwig, M. J. Carey, E. E. Fullerton and H. J. Hug,

Europhysics Letters, 81 (2008) 17001.

DOI: 10.1209/0295-5075/81/17001

48. Phase Imaging of Magnetic Nanostructures with Soft X-ray Spectro-Holography

A. Scherz, W. F. Schlotter, K. Chen, R. Rick, J. Stoehr, J. Luening, S. Eisebitt, Ch. Guenther, F. Radu, W. Eberhardt, O. Hellwig, and I. McNulty,

Phys. Rev. B 76 (2007) 214410.

DOI: 10.1103/PhysRevB.76.214410


47. Extended Field of View Soft X-ray Fourier Transform Holography: Towards Imaging Ultrafast Evolution in a Single Shot

W. F. Schlotter, J. Lüning, R. Rick, K. Chen, A. Scherz, S. Eisebitt, Ch. Günther, W. Eberhardt, O. Hellwig and J. Stöhr,

Optics Letters 32 (2007) 3110.

DOI: 10.1364/OL.32.003110


46. Off-track margin in bit patterned media

A. Moser, O. Hellwig, D. Kercher, and E. Dobisz,

Appl. Phys. Lett. 91 (2007) 162502.

DOI: 10.1063/1.2799174


45. Magnetic multilayers on nanospheres: Scaling of perpendicular exchange bias

L. Guhr, O. Hellwig, Ch. Brombacher and M. Albrecht,

Phys. Rev. B 76 (2007) 064434.

DOI: 10.1103/PhysRevB.76.064434


44. Domain structure and magnetization reversal of antiferromagnetically coupled perpendicular anisotropy films

O. Hellwig, A. Berger, J. B. Kortright and E. E. Fullerton

J. Magn. Magn. Mater. 319 (2007) 13.

DOI: 10.1016/j.jmmm.2007.04.035


43. Investigation of Magnetization Reversal in Exchange Biased Nanocap Arrays

I. L. Guhr, S. van Dijken, G. Malinowski, P. Fischer, F. Springer, O. Hellwig and M. Albrecht

J. Phys. D: Appl. Phys. 40 (2007) 3005.

DOI: 10.1088/0022-3727/40/10/S02


42. Separating dipolar broadening from the intrinsic SFD in patterned media

O. Hellwig, A. Berger, T. Thomson, E. Dobisz , H. Yang, Z. Bandic, D. Kercher and E. E. Fullerton,

Appl. Phys. Lett. 90 (2007) 162516.

DOI: 10.1063/1.2730744


41. Magnetic phase separation in artificial A-type antiferromagnetic films

O. Hellwig, A. Berger and E. E. Fullerton,

Phys. Rev. B 75 (2007) 134416.

DOI: 10.1103/PhysRevB.75.134416


40. Disorder-Induced Magnetic Memory: Experiments and Theory

M. S. Pierce, C. R. Buechler, L. B. Sorensen, S. D. Kevan, E. A. Jagla, J. M. Deutsch, T. Mai, O. Narayan, J. E. Davies, K. Liu, G. T. Zimanyi, H. G. Katzgraber, O. Hellwig and E. E. Fullerton, P. Fischer and J. B. Kortright,

Phys. Rev. B 75 (2007) 144406.

DOI: 10.1103/PhysRevB.75.144406


39. Ultrafast magnetization dynamics in high perpendicular anisotropy [Co/Pt]n multilayers

A. Barman, S. Wang, O. Hellwig, A. Berger, E. E. Fullerton, H. Schmidt,

J. Appl. Phys. 101 (2007) 09D102.

DOI: 10.1063/1.2709502

38. Multiple Reference Fourier Transform Holography with Soft X-rays

W. F. Schlotter, R. Rick, K. Chen, A. Scherz, J. Stöhr, J. Lüning, S. Eisebitt, Ch. Günther, W. Eberhardt, O. Hellwig, and I. McNulty

Appl. Phys. Lett. 89 (2006) 163112.

DOI: 10.1063/1.2364259


37. Magnetic Imaging with Soft X-Ray Spectro-Holography

O. Hellwig, S. Eisebitt, W. Eberhardt, J. Lüning, W. F. Schlotter and J. Stöhr

J. Appl. Phys. 99 (2006) 08H307.

DOI: 10.1063/1.2165925

36. History Induced Critical Behavior in Disordered Systems

J. H. Carpenter, K. A. Dahme, A. C. Mills, M. B. Weissman, A. Berger and O. Hellwig

Phys. Rev. B 72 (2005) 052410.

DOI: 10.1103/PhysRevB.72.052410


35. Different Reversal Types in Exchange Spring Magnet Systems: Fe/SmCo versus FeNi/FePt

J. E. Davies, O. Hellwig, E. E. Fullerton, J. S. Jiang, S. D. Bader, G. T. Zimanyi and K. Liu

Appl. Phys. Lett. 80 (2005) 1234.

DOI: 10.1063/1.1954898  


34. Magnetic dot arrays with multiple storage layers

M. Albrecht, G. Hu, A. Moser, O. Hellwig and B. D. Terris

J. Appl. Phys. 97 (2005) 103910.

DOI: 10.1063/1.1904705


33. Magnetic Reversal and Domain Structure in Perpendicular AF-Coupled Films

O. Hellwig, A. Berger and E. E. Fullerton

J. Magn. Magn. Mater. 290-291 (2005) 1.

DOI: 10.1016/j.jmmm.2004.11.151


32. Interparticle Magnetic Correlations in Dense Co Nanoparticle Assemblies

J. B. Kortright, O. Hellwig, S. Sun and E. E. Fullerton

Phys. Rev. B 71 (2005) 012402.

DOI: 10.1103/PhysRevB.71.012402


31. Disorder-Induced Microscopic Magnetic Memory

M. S. Pierce, C. R. Buechler, L. B. Sorensen, J. J. Turner, S. D. Kevan, E. A. Jagla, J. M. Deutsch, T. Mai, K. Liu, J. Hunter Dunn, K. M. Chesnel, J. B. Kortright, O. Hellwig and E. E. Fullerton,

Phys. Rev. Lett. 94 (2005) 017202.

DOI: 10.1103/PhysRevLett.94.017202

30. Magnetization Reversal of Co/Pt Multilayers: Linking Macroscopic and Microscopic Level

J. E. Davies, O. Hellwig, E. E. Fullerton, G. Denbeaux, J. B. Kortright and K. Liu

Phys. Rev. B 70 (2004) 224434.

DOI: 10.1103/PhysRevB.70.224434


29. Lensless Imaging of Magnetic Nanostructures by X-ray Spectro-Holography

S. Eisebitt, J. Lüning, W. F. Schlotter, M. Lörgen, O. Hellwig, W. Eberhardt and J. Stöhr

Nature, 432 (2004) 885.

DOI: 10.1038/nature03139


28. Si-Doping of Co/Pd Multilayers for Improved Signal-to-Noise in Perpendicular Magnetic Recording Media

X. Qi, B. Stadler, R. Victora, J. Judy, O. Hellwig, and N. Supper

IEEE Transactions on Magnetics, 40 (2004) 2476.

DOI: 10.1109/TMAG.2004.830430

27. Direct Imaging and Determination of the Uncompensated Spin Density in Exchange-Biased (Co/Pt)CoO Multilayers

P. Kappenberger, S. Martin, Y. Pellmont, H. J. Hug, J. B. Kortright, O. Hellwig and E. E. Fullerton

Phys. Rev. Lett. 91 (2003) 267202.

DOI: 10.1103/PhysRevLett.91.267202


26. Domain Walls in Antiferromagnetically Coupled Multilayer Films

O. Hellwig, A. Berger and E. E. Fullerton

Phys. Rev. Lett. 91 (2003) 197203.

DOI: 10.1103/PhysRevLett.91.197203


25. Polarization Effects in Coherent Scattering from Magnetic Specimen: Implications for X-ray Holography, Lensless Imaging, and Correlation Spectroscopy

S. Eisebitt, M. Lörgen, W. Eberhardt, J. Lüning, J. Stöhr, C. T. Rettner, O. Hellwig, E. E. Fullerton, and G. Denbeaux

Phys. Rev. B 68 (2003) 104419.

DOI: 10.1103/PhysRevB.68.104419


24. Magnetic X-ray Studies of Stripe Domains in Perpendicular Multilayers

O. Hellwig, G. Denbeau, J. B. Kortright and E. E. Fullerton

Physica B: Condensed Matter 336 (2003) 136.

DOI: 10.1016/S0921-4526(03)00282-5


23. Oxygen Ordering in Nb(110) Films

O. Hellwig and H. Zabel

Physica B: Condensed Matter 336 (2003) 90.

DOI: 10.1016/S0921-4526(03)00274-6


22. Soft X-ray Magnetic Scattering as a Probe of Recording Media

E. E. Fullerton , O. Hellwig, K. Takano and J. B. Kortright

NIM B 200 (2003) 202.

DOI: 10.1016/S0168-583X(02)01720-2


21. Magnetism in Heterogeneous Thin Film Systems: Resonant X-Ray Scattering Studies

J. B. Kortright, J. S. Jiang, S. D. Bader, O. Hellwig, D. T. Margulies, and E. E. Fullerton

NIM B 199, 301 (2003).

DOI: 10.1016/S0168-583X(02)01590-2


20. Tuning the Reversal of Antiferromagnetically Coupled Perpendicularly Magnetized Thin Films

O. Hellwig, T. L. Kirk, J. B. Kortright, A. Berger, and E. E. Fullerton

Nature Materials 2 (2003) 112.

DOI: 10.1038/nmat806


19. Quasielastic X-ray Speckle Metrology of Microscopic Magnetic Memory

M. Pierce, R. G. Moore, L. Sorensen, S. D. Kevan, J. B. Kortright, O. Hellwig and E. E. Fullerton

Phys. Rev. Lett. 90 (2003) 175502.

DOI: 10.1103/PhysRevLett.90.175502

18. Soft X-ray Characterization of Perpendicular Recording Media

E. E. Fullerton, O. Hellwig, Y. Ikeda, B. Lengsfield, K. Takano and J. B. Kortright

IEEE Trans. Mag. 38 (2002) 1693.

DOI: 10.1109/TMAG.2002.1017758


17. Coercivity Mechanisms in Positive Exchange Biased Co/Pt Multilayers

T. L. Kirk, O. Hellwig, and E. E. Fullerton

Phys. Rev. B 65 (2002) 224426.

DOI: 10.1103/PhysRevB.65.224426


16. Resolving Magnetic and Chemical Correlations in CoPtCr Films using Soft X-ray Scattering

J. B. Kortright, O. Hellwig, D. T. Margulies, and E. E. Fullerton

JMMM 240 (2002) 325.

DOI: 10.1016/S0304-8853(01)00787-9


15. Magnetic Reversal of Perpendicularly Biased Co/Pt Multilayers

O. Hellwig, S. Maat, J. B. Kortright, and E. E. Fullerton

Phys. Rev. B 65 (2002) 144418.

DOI: 10.1103/PhysRevB.65.144418


14. Role of B on Grain Sizes and Magnetic Correlation Length in Recording Media as Determined by Soft X-ray Scattering

O. Hellwig, J.B. Kortright, D.T. Margulies, B. Lengsfield, and E. E. Fullerton

Appl. Phys. Lett. 80 (2002) 1234.

DOI: 10.1063/1.1448665


13. Pinpointing Chiral Structures with front / back Polarized Neutron Reflectometry

K. V. O’Donovan, J. A. Borchers, C. F. Majkrzak, O. Hellwig and E. E. Fullerton

Phys. Rev. Lett. 88 (2002) 067201.

DOI: 10.1103/PhysRevLett.88.067201


12. Extracting Buried Twists with Polarized Neutron Reflectometry

K. V. O’Donovan, J. A. Borchers, C. F. Majkrzak, O. Hellwig, and E. E. Fullerton

Applied Physics A 74 (2002) 1544.

DOI: 10.1007/s003390201707

11. Ordered Oxygen Phases in Epitaxial Nb(110) Layers

O. Hellwig, H. W. Becker, H. Zabel

Phys. Rev. B 64 (2001) 233404.

DOI: 10.1103/PhysRevB.64.233404


10. Magnetic Patterning of Chemically-Ordered CrPt3 Films

O. Hellwig, D. Weller, A. J. Kellock, J. E. E. Baglin and E. E. Fullerton

Appl. Phys. Lett. 79, 8 (2001) 1151.

DOI: 10.1063/1.1394722


9. Antiferromagnetic Structure of FePt3 Films Studied by Neutron Scattering

S. Maat, O. Hellwig, G. Zeltzer, and E. E. Fullerton

Phys. Rev. B 63 (2001) 134426.

DOI: 10.1103/PhysRevB.63.134426

8. In-situ X-ray Studies of Oxide Formation on Epitaxial Metal Films

H. Zabel, A. Stierle, O. Hellwig, and T. Koll,

In “Exploration of Subsurface Phenomena by Particle Scattering”, ed. N.Q. Lam, C. A. Melendres, S. K. Sinha, International Advanced Studies Press, (2000).


7. Oxidation of Epitaxial Nb(110) Films on a-plane Sapphire Substrates: An X-ray Study

O. Hellwig, G. Song, H. W. Becker, A. Birkner und H. Zabel

Material Science and Engineering Technology  31, (2000) 856.

DOI: 10.1002/1521-4052(200009)31:9<856::AID-MAWE856>3.0.CO;2-P


6. The Switching Behavior of Fe55Pt45/ Ni80Fe20 Exchange-Spring Magnets Studied by Resonant Soft X-ray Magneto-Optical Kerr Effect

O. Hellwig, J. B. Kortright, K. Takano, E. E. Fullerton 

Phys. Rev. B 62 (2000) 11694.

DOI: 10.1103/PhysRevB.62.11694


5. Oxidation of Nb(110) Thin Films on Sapphire Substrates

O. Hellwig, H. Zabel

Physica B: Condensed Matter 283 (2000) 228.

DOI: 10.1016/S0921-4526(99)01969-9

4. Temperature and Thickness Dependent Epitaxial Relationship of Pd(111) on Cr(110)

O. Hellwig, K. Theis-Bröhl , G. Wilhelmi, H. Zabel,

Thin Solid Films 318 (1998) 201.

DOI: 10.1016/S0040-6090(97)01165-6


3. Growth of FCC(111) on BCC(110): Influence of Growth and Annealing Temperature on Epitaxy and Surface Morphology for Pd on Cr

O. Hellwig, K. Theis-Bröhl , G. Wilhelmi, H. Zabel,

Surface Science 410 (1998) 362.

DOI: 10.1016/S0039-6028(98)00390-2


2. Growth of FCC(111) on BCC(110): New Type of Epitaxial Transition Observed for Pd on Cr

O. Hellwig, K. Theis-Bröhl, G. Wilhelmi, A. Stierle, H. Zabel,

Surface Science 398 (1998) 379.

DOI: 10.1016/S0039-6028(98)80043-5

1. Temperature and Thickness Dependent Nishiyama-Wassermann / Kurdjumov-Sachs Epitaxial Relationship of Pd on Cr

O. Hellwig, K. Theis-Bröhl, G. Wilhelmi, A. Stierle, H. Zabel

Proceedings book „ECASIA 97“, TC 07, (1997) John Wiley & Sons, Ltd., (1997), 943.

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