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Magnetic field driven 2D-3D crossover in the S=12 frustrated chain magnet LiCuVO4

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Prozorova, L. A., Sosin, S. S., Svistov, L. E., Büttgen, N., Kemper, J. B., Reyes, A. P., Riggs, S., Prokofiev, A. and Petrenko, Oleg (2015) Magnetic field driven 2D-3D crossover in the S=12 frustrated chain magnet LiCuVO4. Physical Review B, 91 (17). 174410 . doi:10.1103/PhysRevB.91.174410

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Official URL: http://dx.doi.org/10.1103/PhysRevB.91.174410

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Abstract

We report on a heat-capacity study of high-quality single-crystal samples of LiCuVO4 — a frustrated spin S = 1/2 chain system—in a magnetic field amounting to 3/4 of the saturation field. A detailed examination of magnetic phase transitions observed in this field range shows that although the low-field helical state clearly has three-dimensional properties, the field-induced spin-modulated phase turns out to be quasi-two-dimensional. The model proposed in this paper allows one to qualitatively understand this crossover, thus eliminating the presently existing contradictions in the interpretations of NMR and neutron-scattering measurements.

Item Type: Journal Article
Subjects: Q Science > QC Physics
Divisions: Faculty of Science > Physics
Library of Congress Subject Headings (LCSH): Condensed matter, Particles (Nuclear physics) -- Helicity, Ferromagnetism, Antiferromagnetism
Journal or Publication Title: Physical Review B
Publisher: American Physical Society
ISSN: 1098-0121
Official Date: 11 May 2015
Dates:
DateEvent
11 May 2015Published
Volume: 91
Number: 17
Article Number: 174410
DOI: 10.1103/PhysRevB.91.174410
Status: Peer Reviewed
Publication Status: Published
Access rights to Published version: Restricted or Subscription Access
Copyright Holders: American Physical Society
Funder: Rossiĭskiĭ fond fundamentalʹnykh issledovaniĭ [Russian Foundation for Basic Research] (RFFI), Deutsche Forschungsgemeinschaft (DFG), National Science Foundation (U.S.) (NSF)
Grant number: 13-02-00637 (RFFI), TRR80 (DFG), DMR-1157490 (NSF)

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