Cu-NMR study on field-induced phase transitions in quantum spin magnet NH4CuCl3

Shin Ichiro Tani, Hiroaki Inoue, Takao Suzuki, Shigeharu Hosoya, Kaori Inokuchi, Takao Fujiwara, Takayuki Goto, Hidekazu Tanaka, Takahiko Sasaki, Satoshi Awaji, Kazuo Watanabe, Norio Kobayashi

研究成果: Article査読

3 被引用数 (Scopus)

抄録

Cu-NMR study under high-field up to 17 T has been performed on the three-dimensional spin dimer system NH4CuCl3, which shows the two-stepped magnetization plateaus. The local magnetization of Cu-site measured by NMR showed a significant deviation from the macroscopic magnetization at low temperatures, suggesting the localization of the field-induced triplons. In the high field region around 16 T, two inequivalent Cu sites are observed. Only one of the two sites shows a split in the resonance line below TN ≃ 3.2 K, indicating the existence of the field-induced magnetic order, to which a part of spins in the system participate.

本文言語English
ページ(範囲)235-240
ページ数6
ジャーナルProgress of Theoretical Physics Supplement
159
DOI
出版ステータスPublished - 2005
外部発表はい

ASJC Scopus subject areas

  • 物理学および天文学(その他)

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