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DFG Research Unit 1154 "Towards Molecular Spintronics"
Former Members

DFG Research Unit 1154 „Towards Molecular Spintronics“

Former Members:

SP1: Thin films of redox-active high-spin molecules

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Frederik Schleife

  • preparation of polynuclear complexes and investigation of their magnetic properties
  • maintenance and operation of a SQUID-magnetometer
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Sina Gruschinski

  • synthesis of polynuclear transition metal complexes of amine-thiophenolate ligands
  • characterization by SQUID magnetometry and EPR
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Dr. Jochen Lach

  • preparation of polynuclear complexes and investigation of their magnetic properties
  • maintenance and operation of a SQUID-magnetometer
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Matthias Golecki

  • synthesis and characterization of encapsulated phosphine transition metal complexes
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Ulrike Lehmann

  • synthesis and characterization of macrocyclic amine-thiophenolate ligands and their transition metal complexes

 

SP2: Preparation of Spin Coated Thin Films and SAMs of Magnetic Transition Metal Complexes

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Karoline Rühlig

  • synthesis and characterization of PAMAM-based magnetodendrimers
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Ulrike Pfaff

  • investigation of metal-metal interactions in bimetallic organometallic complexes
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Carola Mende

  • synthesis and modification of  phthalocyanines
  • studies of mono-layers
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Mohammad A. Abdulmalic

  • developing of BIS (oxamato and oxamidato) spacers as precursors for mono, later trimetalic complexes, attempts to increase J coupling between metal centres
  • synthesis of some optically active trimetalic complexes and study the optical activity effect by the mean of moke
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Astride Kammoe

  • synthesis and caracterisation of (inorganic)/ hybrid materials
  • exhibiting tune able magnetic and conductive properties
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Dr. Francois Eya'ane Meva

  • Synthesis and characterization of transition metal complexes
  • Preparation of spin coated thin films
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Sascha Dietrich

  • synthesis and characterization of terminal functionalized (poly)amidoamine-based metallodendrimers for catalytic applications and as stabilizers for metal- and metaloxid nanoparticles
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Sabine Engelmann

  • functionalization of dendritic systems with phosphino-endgroups and complexation with metalcarbonyls
  • generation and characterization of different nanoparticles through the thermal decomposition of this complexes
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Alexander Hildebrandt

  • synthesis and characterisation of ferrocenyl substituted heterocycles and Investigation of their electro- and spectroelectrochemical behavior
  • electronic coupling in mixed valent multiredox systems
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Marcus Korb

  • synthesis of Ferrocenyl-Porphyrines
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Dinara Nurpeisova

  • synthesis of metallophthalocyanines

 

SP3: Electronic Structure, Transport and Collective Effects in Molecular Layered Systems

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Rico Friedrich

  • DFT based electronic structure calculations of metal phthalocyanines
  • investigation of electronic transitions and absorption behavior
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Dr. Claudia Martin

  • DFT study of the electronic and magnetic properties of organometallic complexes

 

SP4: Electron Spin Resonance and Magnetic Studies

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Dr. Yulia Krupskaya

  • high field / high frequency electron spin resonance (HF-ESR) spectroscopy
  • static magnetization measurements
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Jaena Park

  • Magnetic studies and electron spin resonance spectroscopy
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Azar Aliabadi

  • X-band electron spin resonance measurements
  • high field / high frequency electron spin resonance (HF-ESR) spectroscopy
  • static magnetization measurements

 

SP5: Spin Dynamics in Single Molecules and Thin Films

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Marco Günther

  • NMR / MAS-NMR measurement in Dresden
  • muSR / slow muons at TRIUMF and Paul Scherrer Institut
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Nicolas Yeche

  • 57Fe Mössbauer Spectroscopy measurements in the range of 2
  • 300K: Determination of oxidation states of iron atoms in molecules as well as their role in the global magnetism
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Lucas Maede

  • Mössbauer Spectroscopy on a mixed valence Ferrocenium system to figure out the properties of the dynamical behavior of delocalized electrons on one of the two iron sides
  • Measurements with sample material in solvent to extract properties independent of the counter ion
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Liang Gong

  • Bachelor internship about NMR measurement of single molecule magnet

 

SP6: Magnetic Molecules Studied by Scanning Tunnelling Microscopy and Spectroscopy

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Dr. Marius Toader

  • investigation of promising magnetic molecules adsorbed on well defined crystalline substrates under ultra high vacuum conditions with the scanning tunnelling microscope and spectroscope
  • study of the adsorption geometry as well as the electronic transport for isolated single molecular magnets, molecular close-packed self-assembled monolayers and multilayer systems
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Lars Smykalla

  • scanning tunneling microscopy and spectroscopy at low temperature (30K) under ultra high vacuum conditions
  • investigation of the adsorption geometry and electronic properties of magnetic molecules in self-assembled monolayer and multilayer systems
  • DFT calculations of molecular orbitals
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Dr. Pavel Shukrynau

  • scanning tunneling microscopy and spectroscopy, phase transitions, electromigration and kinetic phenomena at solid surfaces.
  • adsorption of magnetic molecules on the different metal/metal oxide substrates, with the aim to prepare stable surface structures for the possible application in nanotechnology.
  • application of synchrotron radiation in photoelectron spectroscopy and photoelectron diffraction; adsorption of magnetic molecules onto metals plated-semiconductor surfaces.
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Jiang Peng

  • scanning tunneling microscopy and spectroscopy under ultra high vacuum conditions
  • investigation of magnetic molecules adsorbed on the well defined crystalline substrate substrates and in self-assembled monolayer and multilayer system
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Chau Yen Nguyen Doan

  • scanning tunneling microscopy at the liquid-solid interface to study organic molecules samples
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Martha Scheffler

  • installation of a scanning tunneling microscope and the investigation of magnetic molecules with STM and STS
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Ronny Schlegel

  • scanning tunnelling microscopy and spectroscopy at low temperatures (300mK) and high magnetic fields
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Christian Salazar

  • scanning tunneling microscopy and spectroscopy of magnetic molecules

 

SP7: Spectroscopic Studies of Magnetic Molecular Materials

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Benjamin Mahns

  • characterisation of materials using EELS and PES
  • measurements at BESSY
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Susi Lindner

  • photoemission spectroscopy studies of magnetic molecules and their interfaces
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Florian Rückerl

  • photoemission spectroscopy on the charge transfer at transition metal phthalocyanine interfaces
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Dr. Iulia Genoveva Toader

  • characterization and preparation of organic field-effect transistors (OFETs)
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Michael Ludemann

  • Raman spectroscopy ex situ, in ultra-high vacuum conditions and Raman monitoring during growth
  • special interest in enhancement mechanisms of Raman scattering for investigation of ultra-thin layers of organic molecules
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Evelyn Breyer

  • preparation and electrical characterization of organic/inorganic hybrid junctions
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Francisc Haidu

  • UPS, XPS and IPES measurements in Chemnitz
  • XPS and NEXAFS measurements at BESSY
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Jing Guo

  • UPS, IPES and XPS measurements
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Dr. Volodymyr Dzhagan

  • vibrational (Raman scattering) and photoemission spectrocopy of metallophthalocyanines and porphyrines
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Manuel Monecke

  • deposition of La1-xSrxMnO3 (LSMO) thin films by sputtering and spin coating X-ray photoelectron spectroscopy (XPS) depth profiling and imaging measurements Modeling of spectroscopic magneto optical Kerr effect and ellipsometry data

 

SP8: (Magneto-)optical Investigations and Laterally Stacked Devices

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Dr. Michael Fronk

  • magneto-optical Kerr effect spectroscopy and magnetometry at variable wavelength
  • optical model calculations
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Frank Lungwitz

  • spin-coating of metal-organic structures and (magneto-) optical characterization
  • characterization of self-assembled-monolayers (SAM)
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Peter Robaschik

  • organic molecular beam deposition
  • MOKE and ellipsometry measurements
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Oana-Tereza Ciubotariu

  • structural and magnetic investigation of ferromagnets
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Peter Richter

  • in-situ MOKE spectroscopy
  • installation of a MOKE-setup for spatially-resolved spectroscopic measurements
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Daniel Bülz

  • electrical and magnetic characterization of organic field effect transistors
  • Hall-measurements on trench devices
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Mike Stummvoll

  • sample preparation
  • MOKE, VASE and AFM measurements
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Sreetama Banerjee

  • fabrication and electrical characterization of laterally stacked devices
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Joydeep Ghosh

  • development of technological concepts
  • design and layout of different geometries based on trench isolation technology

 

SP9: Transport through Spin-Polarized Semiconductor/Molecule/Semiconductor Tunnel Junctions

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María Esperanza Navarro Fuentes

  • fabrication and characterization of hybrid nanomembrane-based devices (fabrication of hybrid organic-inorganic spin-valves)
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Céline Vervacke

  • investigation of the transport properties of Metal / metal-phthalocyanines/ metal vertical hybrid junctions as a function of film thickness, magnetic-field and temperature
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Abdur Rehman Jalil

  • investigation of electrical properties of semiconductor/phthalocyanines, metal/phthalocyanines and oxide/phthalocyanines structures by Current Sensing Atomic Force Microscopy
Photo sources: Privat