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@ARTICLE{PeanhaAntonio:862312,
author = {Peçanha-Antonio, Viviane and Feng, Erxi and Sun, Xiao and
Adroja, Devashibhai and Walker, Helen C. and Gibbs,
Alexandra S. and Orlandi, Fabio and Su, Yixi and Brückel,
Thomas},
title = {{I}ntermultiplet transitions and magnetic long-range order
in {S}m-based pyrochlores},
journal = {Physical review / B},
volume = {99},
number = {13},
issn = {2469-9950},
address = {Woodbury, NY},
publisher = {Inst.},
reportid = {FZJ-2019-02650},
pages = {134415},
year = {2019},
abstract = {We present bulk and neutron scattering measurements
performed on the isotopically enriched 154Sm2Ti2O7 and
154Sm2Sn2O7 samples. Both compounds display sharp heat
capacity anomalies, at 350 and 440 mK, respectively.
Inelastic neutron scattering measurements are employed to
determine the crystalline electric field (CEF) level scheme,
which includes transitions between the ground-state and
first excited J multiplets of the Sm3+ ion. To further
validate those results, the single-ion magnetic
susceptibility of the compounds is calculated and compared
with the experimental dc-susceptibility measured in low
applied magnetic fields. It is demonstrated that the
inclusion of intermultiplet transitions in the CEF analysis
is fundamental to the understanding of the intermediate and,
more importantly, low-temperature magnetic behavior of the
Sm-based pyrochlores. Finally, the heat capacity anomaly is
shown to correspond to the onset of an all-in-all-out
long-range order in the stannate sample, while in the
titanate a dipolar long-range order can be only indirectly
inferred.},
cin = {JCNS-FRM-II / JCNS-2 / PGI-4 / MLZ},
ddc = {530},
cid = {I:(DE-Juel1)JCNS-FRM-II-20110218 /
I:(DE-Juel1)JCNS-2-20110106 / I:(DE-Juel1)PGI-4-20110106 /
I:(DE-588b)4597118-3},
pnm = {6212 - Quantum Condensed Matter: Magnetism,
Superconductivity (POF3-621) / 524 - Controlling Collective
States (POF3-524) / 6G4 - Jülich Centre for Neutron
Research (JCNS) (POF3-623) / 6G15 - FRM II / MLZ
(POF3-6G15)},
pid = {G:(DE-HGF)POF3-6212 / G:(DE-HGF)POF3-524 /
G:(DE-HGF)POF3-6G4 / G:(DE-HGF)POF3-6G15},
experiment = {EXP:(DE-MLZ)DNS-20140101},
typ = {PUB:(DE-HGF)16},
UT = {WOS:000464714600003},
doi = {10.1103/PhysRevB.99.134415},
url = {https://juser.fz-juelich.de/record/862312},
}