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@ARTICLE{Gomez:893242,
author = {Gomez, S. J. and Sarte, P. M. and Zelensky, M. and Hallas,
A. M. and Gonzalez, B. A. and Hong, K. H. and Pace, E. J.
and Calder, S. and Stone, M. B. and Su, Y. and Feng, E. and
Le, M. D. and Stock, C. and Attfield, J. P. and Wilson, S.
D. and Wiebe, C. R. and Aczel, A. A.},
title = {{A}bsence of moment fragmentation in the mixed {B}-site
pyrochlore {N}d2{G}a{S}b{O}7},
journal = {Physical review / B},
volume = {103},
number = {21},
issn = {2469-9969},
address = {Woodbury, NY},
publisher = {Inst.},
reportid = {FZJ-2021-02642},
pages = {214419},
year = {2021},
note = {ISSN 2469-9969 not unique: **2 hits**.},
abstract = {Nd-based pyrochlore oxides of the form Nd2B2O7 have
garnered a significant amount of interest owing to the
moment fragmentation physics observed in Nd2Zr2O7 and
speculated in Nd2Hf2O7. Notably this phenomenon is not
ubiquitous in this family, as it is absent in Nd2Sn2O7,
which features a smaller ionic radius on the B site. Here,
we explore the necessary conditions for moment fragmentation
in the Nd pyrochlore family through a detailed study of the
mixed B-site pyrochlore Nd2GaSbO7. The B site of this system
is characterized by significant disorder and an extremely
small average ionic radius. Similarly to Nd2Sn2O7, we find
no evidence for moment fragmentation through our bulk
characterization and neutron scattering experiments,
indicating that chemical pressure (and not necessarily the
B-site disorder) plays a key role in the presence or absence
of this phenomenon in this material family. Surprisingly,
the presence of significant B-site disorder in Nd2GaSbO7
does not generate a spin-glass ground state and instead the
same all-in-all-out magnetic order identified in other Nd
pyrochlores is found here.},
cin = {JCNS-FRM-II / JCNS-2 / JCNS-4 / MLZ},
ddc = {530},
cid = {I:(DE-Juel1)JCNS-FRM-II-20110218 /
I:(DE-Juel1)JCNS-2-20110106 / I:(DE-Juel1)JCNS-4-20201012 /
I:(DE-588b)4597118-3},
pnm = {6G4 - Jülich Centre for Neutron Research (JCNS) (FZJ)
(POF4-6G4) / 632 - Materials – Quantum, Complex and
Functional Materials (POF4-632)},
pid = {G:(DE-HGF)POF4-6G4 / G:(DE-HGF)POF4-632},
experiment = {EXP:(DE-MLZ)DNS-20140101},
typ = {PUB:(DE-HGF)16},
UT = {WOS:000661190200001},
doi = {10.1103/PhysRevB.103.214419},
url = {https://juser.fz-juelich.de/record/893242},
}