High-Field Multi-Frequency ESR in the Quasi-1D S = 1/2 Ising-Like Antiferromagnet BaCo2V2O8 in a Transverse Field

A. Okutani, S. Kimura, T. Takeuchi, M. Hagiwara

研究成果: Article査読

6 被引用数 (Scopus)

抄録

We have performed high-field multi-frequency electron spin resonance (ESR) measurements of a single crystal of the S = 1/2 quasi one-dimensional (1D) Ising-like antiferromagnet BaCo2V2O8 at 1.5 K in magnetic fields of up to 14 T applied along [110] and [100] directions. Two main ESR branches, which are ascending and descending with increasing magnetic fields, are observed from 400 GHz at zero magnetic field in both cases. The low ESR mode shows a softening near 10 T for H || [100], while no softening was observed below 14 T for H || [110]. This difference in the magnetic excitations may explain the distinct phase diagrams for these two directions.

本文言語English
ページ(範囲)1003-1006
ページ数4
ジャーナルApplied Magnetic Resonance
46
9
DOI
出版ステータスPublished - 2015 10 1

ASJC Scopus subject areas

  • 原子分子物理学および光学

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「High-Field Multi-Frequency ESR in the Quasi-1D S = 1/2 Ising-Like Antiferromagnet BaCo<sub>2</sub>V<sub>2</sub>O<sub>8</sub> in a Transverse Field」の研究トピックを掘り下げます。これらがまとまってユニークなフィンガープリントを構成します。

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