TY  - JOUR
AU  - Klinkhammer, Jürgen
AU  - Schlipf, Martin
AU  - Craes, Fabian
AU  - Runte, Sven
AU  - Michely, Thomas
AU  - Busse, Carsten
TI  - Spin-Polarized Surface State in EuO(100)
JO  - Physical review letters
VL  - 112
IS  - 1
SN  - 1079-7114
CY  - College Park, Md.
PB  - APS
M1  - FZJ-2014-05776
SP  - 016803
PY  - 2014
AB  - High-quality films of the ferromagnetic semiconductor EuO are grown on epitaxial graphene on Ir(111) and investigated in situ with scanning tunneling microscopy and spectroscopy. Electron scattering at defects leads to standing-wave patterns, manifesting the existence of a surface state in EuO. The surface state is analyzed at different temperatures and energies. We observe a pronounced energy shift of the surface state when cooling down below the Curie temperature TC, which indicates a spin polarization of this state at low temperatures. The experimental results are in agreement with corresponding density functional theory calculations
LB  - PUB:(DE-HGF)16
UR  - <Go to ISI:>//WOS:000331937900021
DO  - DOI:10.1103/PhysRevLett.112.016803
UR  - https://juser.fz-juelich.de/record/172293
ER  -