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@ARTICLE{Chen:877883,
author = {Chen, Lebing and Chung, Jae-Ho and Chen, Tong and Duan,
Chunruo and Schneidewind, Astrid and Radelytskyi, Igor and
Voneshen, David J. and Ewings, Russell A. and Stone, Matthew
B. and Kolesnikov, Alexander I. and Winn, Barry and Chi,
Songxue and Mole, R. A. and Yu, D. H. and Gao, Bin and Dai,
Pengcheng},
title = {{M}agnetic anisotropy in ferromagnetic {C}r{I} 3},
journal = {Physical review / B},
volume = {101},
number = {13},
issn = {2469-9950},
address = {Woodbury, NY},
publisher = {Inst.},
reportid = {FZJ-2020-02490},
pages = {134418},
year = {2020},
abstract = {We use neutron scattering to show that ferromagnetic (FM)
phase transition in the two-dimensional (2D)honeycomb
lattice CrI3 is a weakly first order transition and
controlled by spin-orbit coupling (SOC) inducedmagnetic
anisotropy, instead of magnetic exchange coupling as in a
conventional ferromagnet. With increasingtemperature, the
magnitude of magnetic anisotropy, seen as a spin gap at the
Brillouin zone center, decreasesin a power law fashion and
vanishes at TC, while the in-plane and c-axis spin-wave
stiffnesses associated withmagnetic exchange couplings
remain robust at TC.We also compare parameter regimes where
spin waves in CrI3can be described by a Heisenberg
Hamiltonian with Dzyaloshinskii-Moriya interaction or a
Heisenberg-KitaevHamiltonian. These results suggest that the
SOC induced magnetic anisotropy plays a dominant role in
stabilizingthe FM order in single layer 2D van der Waals
ferromagnets.},
cin = {JCNS-FRM-II / JCNS-2 / MLZ},
ddc = {530},
cid = {I:(DE-Juel1)JCNS-FRM-II-20110218 /
I:(DE-Juel1)JCNS-2-20110106 / I:(DE-588b)4597118-3},
pnm = {6G15 - FRM II / MLZ (POF3-6G15) / 6212 - Quantum Condensed
Matter: Magnetism, Superconductivity (POF3-621) / 6G4 -
Jülich Centre for Neutron Research (JCNS) (POF3-623)},
pid = {G:(DE-HGF)POF3-6G15 / G:(DE-HGF)POF3-6212 /
G:(DE-HGF)POF3-6G4},
experiment = {EXP:(DE-MLZ)PANDA-20140101},
typ = {PUB:(DE-HGF)16},
UT = {WOS:000525840300002},
doi = {10.1103/PhysRevB.101.134418},
url = {https://juser.fz-juelich.de/record/877883},
}