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@ARTICLE{Jin:859932,
author = {Jin, Wentao and Qureshi, N. and Bukowski, Z. and Xiao, Y.
and Nandi, S. and Babij, M. and Fu, Z. and Su, Y. and
Brückel, Th.},
title = {{S}piral magnetic ordering of the {E}u moments in
{E}u{N}i$_2${A}s$_2$},
journal = {Physical review / B},
volume = {99},
number = {1},
issn = {2469-9950},
address = {Woodbury, NY},
publisher = {Inst.},
reportid = {FZJ-2019-00744},
pages = {014425},
year = {2019},
abstract = {The ground-state magnetic structure of EuNi2As2 was
investigated by single-crystal neutron diffraction. At base
temperature, the Eu2+ moments are found to form an
incommensurate antiferromagnetic spiral-like structure with
a magnetic propagation vector of k=(0,0,0.92). They align
ferromagnetically in the ab plane with the moment size of
6.75(6) μB, but rotate spirally by 165.6(1)∘ around the c
axis from layer to layer. The magnetic order parameter in
the critical region close to the ordering temperature TN=15
K shows critical behavior with a critical exponent of
βEu=0.35(2), consistent with the three-dimensional
Heisenberg model. Moreover, within the experimental
uncertainty, our neutron data are consistent with a model in
which the Ni sublattice is not magnetically ordered.},
cin = {JCNS-FRM-II / JCNS-2 / PGI-4 / JARA-FIT},
ddc = {530},
cid = {I:(DE-Juel1)JCNS-FRM-II-20110218 /
I:(DE-Juel1)JCNS-2-20110106 / I:(DE-Juel1)PGI-4-20110106 /
$I:(DE-82)080009_20140620$},
pnm = {6G15 - FRM II / MLZ (POF3-6G15) / 6G4 - Jülich Centre for
Neutron Research (JCNS) (POF3-623)},
pid = {G:(DE-HGF)POF3-6G15 / G:(DE-HGF)POF3-6G4},
experiment = {EXP:(DE-MLZ)External-20140101},
typ = {PUB:(DE-HGF)16},
UT = {WOS:000456299700008},
doi = {10.1103/PhysRevB.99.014425},
url = {https://juser.fz-juelich.de/record/859932},
}