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@ARTICLE{Stock:843950,
author = {Stock, C. and Rodriguez, E. E. and Lee, N. and Demmel, F.
and Fouquet, P. and Laver, M. and Niedermayer, Ch. and Su,
Y. and Nemkovskiy, Kirill and Green, M. A. and
Rodriguez-Rivera, J. A. and Kim, J. W. and Zhang, L. and
Cheong, S.-W.},
title = {{O}rphan {S}pins in the {S} = 5 2 {A}ntiferromagnet
{C}a{F}e 2 {O} 4},
journal = {Physical review letters},
volume = {119},
number = {25},
issn = {1079-7114},
address = {College Park, Md.},
publisher = {APS},
reportid = {FZJ-2018-01473},
pages = {257204},
year = {2017},
abstract = {CaFe2O4 is an anisotropic S=52 antiferromagnet with two
competing A (↑↑↓↓) and B (↑↓↑↓) magnetic
order parameters separated by static antiphase boundaries at
low temperatures. Neutron diffraction and bulk
susceptibility measurements, show that the spins near these
boundaries are weakly correlated and a carry an
uncompensated ferromagnetic moment that can be tuned with a
magnetic field. Spectroscopic measurements find these spins
are bound with excitation energies less than the bulk
magnetic spin waves and resemble the spectra from isolated
spin clusters. Localized bound orphaned spins separate the
two competing magnetic order parameters in CaFe2O4.},
cin = {JCNS (München) ; Jülich Centre for Neutron Science JCNS
(München) ; JCNS-FRM-II / JCNS-2 / PGI-5},
ddc = {550},
cid = {I:(DE-Juel1)JCNS-FRM-II-20110218 /
I:(DE-Juel1)JCNS-2-20110106 / I:(DE-Juel1)PGI-5-20110106},
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)DNS-20140101},
typ = {PUB:(DE-HGF)16},
pubmed = {pmid:29303328},
UT = {WOS:000418619100018},
doi = {10.1103/PhysRevLett.119.257204},
url = {https://juser.fz-juelich.de/record/843950},
}