New high magnetic field phase of the frustrated S = 1/2 chain compound LiCuVO4

L. E. Svistov, T. Fujita, H. Yamaguchi, S. Kimura, K. Omura, A. Prokofiev, A. I. Smirnov, Z. Honda, M. Hagiwara

Research output: Contribution to journalArticlepeer-review

89 Citations (Scopus)

Abstract

Magnetization of the frustrated S = 1/2 chain compound LiCuVO4, focusing on high magnetic field phases, is reported. Besides a spin-flop transition and the transition from a planar spiral to a spin modulated structure observed recently, an additional transition was observed just below the saturation field. This newly observed magnetic phase is considered as a spin nematic phase, which was predicted theoretically but was not observed experimentally. The critical fields of this phase and its dM/dH curve are in good agreement with calculations performed in a microscopic model (M. E. Zhitomirsky and H. Tsunetsugu, Europhys. Lett. 92, 37001 (2010)).

Original languageEnglish
Pages (from-to)21-25
Number of pages5
JournalJETP Letters
Volume93
Issue number1
DOIs
Publication statusPublished - 2011 Mar
Externally publishedYes

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)

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