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DFG Research Unit 1154 "Towards Molecular Spintronics"
Projects

DFG Research Unit 1154 „Towards Molecular Spintronics“

Projects:

Project Partners Institution
SP1
  • Part I: Thin films of redox-active high-spin molecules
  • Part II: Monolayers of redox-active high-spin molecules on conducting and ferromagnetic metals: Control of selfassembly and integration into devices
Kersting UL
SP2
  • Part I:Preparation of spin coated thin films and self-assembled monolayers of magnetic transition metal complexes
  • Part II: From the preparation of monomolecular layers to thin films of magnetic transition metal complexes towards their integration into spintronic devices
Rüffer, Lang TUC
SP3
  • Part I + II: Electronic structure, transport, and collective effects in molecular layered systems
Kortus,
Timm
TUF,
TUD
SP4
  • Part I + II: Electron spin resonance and magnetic studies
Kataev,
Klingeler,
Büchner
IFW,
UH
IFW/TUD
SP5
  • Part I: Spin dynamics in single molecules and thin films studied by nuclear probe spectroscopy
Klauss TUD
SP6
  • Part I + II: Scanning tunneling microscopy and spectroscopy of magnetic molecules
Hess,
Hietschold
IFW,
TUC
SP7
  • Part I: Spectroscopic studies of magnetic molecular materials
  • Part II: Spectroscopic studies of magnetic molecular materials and their interfaces
Knupfer,
Zahn
IFW,
TUC
SP8
  • Part I + II:From the preparation of molecular layers and their (magneto-)optical investigation towards laterally stacked devices
Salvan, Zahn, Hiller TUC
SP9
  • Part I: Transport through spin polarized semiconductor/molecule/semiconductor tunnel junctions
  • Part II: Vertical magneto-resistive devices made from hybrid metal/molecules/metal multi-layer systems
Schmidt,
Hess
IFW/TUC
IFW

 

SP1. | SP2. | SP3. | SP4. | SP5. | SP6. | SP7. | SP8. | SP9. | [close]

SP7: Spectroscopic studies of magnetic molecular materials

The exploitation of the magnetic degrees of freedom of molecular materials is one of the possibilities to achieve future "spintronic" technologies. Progress in this direction requires the development of advanced functional materials and the thorough characterization of their magnetic and electronic properties. The achievement of a fundamental knowledge on the electronic and magnetic properties of novel molecular materials containing transition metal sites, as investigated within our research unit, is a prerequisite for any application and the central goal of this project. We apply complementary, spectroscopic methods in order to characterize the electronic and magnetic properties of the molecular materials and their interfaces to electrode materials. In particular, we determine the occupied and unoccupied electronic density of states, the electronic excitation spectrum, the alignment of the electronic molecular levels at contacts to electrode materials, the transition metal 3d occupation and spin and the changes induced by charging of the molecules. Our results and the close collaboration within this research unit will enable the further development of the materials and the understanding of their performance in the anticipated devices.