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@ARTICLE{Jin:863996,
author = {Jin, W. T. and Xiao, Yinguo and Nandi, S. and Price, S. and
Su, Y. and Schmalzl, K. and Schmidt, W. and Chatterji, T.
and Thamizhavel, A. and Brückel, Th.},
title = {{C}oexistence of {E}u antiferromagnetism and
pressure-induced superconductivity in single-crystal
{E}u{F}e 2 {A}s 2},
journal = {Physical review / B},
volume = {100},
number = {1},
issn = {0163-1829},
address = {Woodbury, NY},
publisher = {Inst.},
reportid = {FZJ-2019-03912},
pages = {014503},
year = {2019},
abstract = {By performing high-pressure single-crystal
neutron-diffraction measurements, the evolution of structure
and magnetic ordering in EuFe2As2 under hydrostatic pressure
were investigated. Both the tetragonal-to-orthorhombic
structural transition and the Fe spin-density-wave
transition are gradually suppressed and become decoupled
with increasing pressure. The antiferromagnetic order of the
Eu sublattice is, however, robust against the applied
pressure up to 24.7 kbar, without showing any change of the
ordering temperature. Under the pressure of 24.7 kbar, the
lattice parameters of EuFe2As2 display clear anomalies at
27(3) K, well consistent with the superconducting transition
observed in previous high-pressure resistivity measurements.
Such an anomalous thermal expansion around Tc strongly
suggests the appearance of bulk superconductivity and strong
electron-lattice coupling in EuFe2As2 induced by the
hydrostatic pressure. The coexistence of long-range ordered
Eu antiferromagnetism and pressure-induced superconductivity
is quite rare in the EuFe2As2-based iron pnictides.},
cin = {JCNS-FRM-II / JCNS-2 / JCNS-ILL},
ddc = {530},
cid = {I:(DE-Juel1)JCNS-FRM-II-20110218 /
I:(DE-Juel1)JCNS-2-20110106 / I:(DE-Juel1)JCNS-ILL-20110128},
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:000474363600004},
doi = {10.1103/PhysRevB.100.014503},
url = {https://juser.fz-juelich.de/record/863996},
}