Emergent Relativistic Effects in Condensed Matter
From Fundamental Aspects to Electronic Functionality
Project Area
B
Spin-Orbit Interaction Effects

Project B01

F. Evers
J. Repp
D. Egger

Proximity induced spin-orbit coupling in atomic and molecular wires on substrates

We explore the potential of combining spin-degrees of freedom in adsorbed molecules with strong substrate-induced spin-orbit coupling (SOC) for steering the magnetic properties of these hybrid systems, such as spin-anisotropies and non-collinear spin structures. Assemblies of atoms and molecules will be studied on substrates including metals, ferr... | show all >>

 

Project B02

M. Grifoni
A. Donarini
R. Huber
J. Repp

Spin-orbit induced dynamics in driven molecular systems

B02 studies spin-orbit phenomena in single molecules directly in the time domain. In novel femtosecond spin-selective scanning tunnelling microscopy (STM) experiments, the field crest of a half-cycle THz pulse will bias the STM junction to transfer a single electron into a molecule or graphene nanostructure. The resulting ultrafast electronic dynam... | show all >>

 

Project B03

J. Lupton
S. Bange

Spin-orbit coupling in organic semiconductors

This project aims at studying the spin-orbit interaction in organic semiconductors, in particular in the device configuration of an organic light-emitting diode, with the goal of developing methods to tune the coupling strength through modifications of molecular structure. Charges in pure hydrocarbon complexes generally experience only very weak sp... | show all >>

 

Project B04

C. Strunk
M. Grifoni
M. Marganska

Spin-orbit interaction in hybrid superconductor-1D systems

We plan to investigate experimentally and theoretically the interplay between superconducting correlations, spin-orbit coupling (SOC) and electron-electron interactions in carbon nanotubes and HgTe-nanowires coupled to superconductors. Focus will be on superconducting proximity effects in the presence of SOC-induced spin-valley or spin-momentum lo... | show all >>

 

Project B05

J. Fabian
T. Korn
A. Chernikov

Monolayer dichalcogenides and their heterostructures: optospintronics, electronic properties, valley dynamics

We study the optical and electronic properties of monolayer transition metal dichalcogenides and a variety of heterostructures consisting of different two-dimensional materials in a joint project combining time-resolved optical spectroscopy and theory. The aim is to investigate spin and valley polarization dynamics in monolayers, tunneling of polar... | show all >>

 

Project B06

C. Schüller
T. Korn

Raman scattering in transition metal dichalcogenides

The relativistic spin-orbit interaction can be particularly strong in transition metal dichalcogenides (TMDCs), like MoS2, MoSe2, WS2 and WSe2, which leads to large intrinsic spin splittings of the electronic bands in these layered structures. Electronic excitations, like plasmons or spin-density waves, have not yet been observed in these materials... | show all >>

 

Project B07

J. Fabian

Spin-orbit and exchange proximity effects at interfaces

We will perform first-principles and phenomenological model calculations of the electronic structure and extract relevant spin-orbit coupling and exchange fields, for various classes of interfaces: (i) semiconductor/metal, focusing on zinc-blende and wurtzite semiconductors and superconducting metals; (ii) semiconductor/ferromagnetic metal and insu... | show all >>

 

Project B08

C. Strunk
N. Paradiso

Spin-orbit effects in the supercurrent response of superconducting heterostructures and Josephson junctions

We propose to investigate the magnetic response of heterostructure composed of thin superconducting films deposited on semiconductors or semimetals with strong spin-orbit inter-action (SOI). The temperature dependence and possible anisotropies of the superfluid stiffness will be determined. We will further study the effect of the SOI individual Jos... | show all >>

 

Contact

SFB 1277
Doris Meier
Universit├Ąt Regensburg

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