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@ARTICLE{Myczak:1046666,
author = {Młyńczak, E. and Surendran, A. and Shaju, S. and Freindl,
K. and Korecki, J. and Madej, E. and Wilgocka-Ślęzak, D.
and Szczepanik, M. and Sobol, T. and Aguilera, I. and
Bihlmayer, G. and Blügel, S. and Spiridis, N.},
title = {{S}pin–orbit effects in the surface state of {F}e(001)
revealed by full surface {B}rillouin zone mapping},
journal = {New journal of physics},
volume = {27},
number = {9},
issn = {1367-2630},
address = {[Bad Honnef]},
publisher = {Dt. Physikalische Ges.},
reportid = {FZJ-2025-03893},
pages = {093506},
year = {2025},
abstract = {The electronic structure of Fe has been experimentally
studied using angle-resolved photoemission spectroscopy
(ARPES) since the early days of photoemission. Yet, the
existence and nature of the Fe(001) surface state remain a
subject of ongoing debate. Fe(001) is considered a
prototypical transition metal system and moreover, one of
the key players in the spintronics research. Here, we
present the electronic structure of Fe(001) epitaxially
grown on Au(001), mapped by high-resolution ARPES within the
entire surface Brillouin zone, to demonstrate for the first
time the exact location and extent of the Fe(001) surface
state. The experimental results are supported by the
relativistic slab calculations performed using density
functional theory (DFT). The surface state observed for the
pristine Fe(001) surface vanishes after overnight rest of
the sample in ultrahigh vacuum as well as after intentional
exposure to 5 Langmuir of oxygen which proves that it is not
topologically protected. Furthermore, the dispersion of the
surface state is found to depend on the relative orientation
of the magnetization, which is explained based on the DFT
results as related to the Rashba effect. These new
experimental and theoretical results contribute to the
existing knowledge on the electronic properties of Fe(001)
with relevance for the basic research as well as for
spintronic effects, such as tunneling anisotropic
magnetoresistance.},
cin = {PGI-1 / JARA-HPC},
ddc = {530},
cid = {I:(DE-Juel1)PGI-1-20110106 / $I:(DE-82)080012_20140620$},
pnm = {5211 - Topological Matter (POF4-521)},
pid = {G:(DE-HGF)POF4-5211},
typ = {PUB:(DE-HGF)16},
doi = {10.1088/1367-2630/ae05be},
url = {https://juser.fz-juelich.de/record/1046666},
}