Observation of a lattice distortion due to pair interactions in bond-alternating antiferromagnetic chains of F5PNN

T. Matsushita, Y. Kugimiya, K. Shimizu, N. Wada, Y. Yoshida, T. Kawae, K. Takeda, Y. Hosokoshi, K. Inoue

研究成果: Chapter in Book/Report/Conference proceedingConference contribution

3 被引用数 (Scopus)

抄録

The one-dimensional bond-alternating antiferromagnet F5PNN has a singlet ground state with a spin gap in zero field. To study the competition between the quantum magnetic state and the lattice energy, we measured a dielectric constant ε to detect the lattice distortion due to the magnetic properties of F5PNN. In addition to the monotonic change of ε above a few Kelvins, we observed an obvious change of ε at the lower temperatures. This change is likely related to the temperature dependence of the free energy of the magnetic chains whose exchange interactions are of the order of 5 K. These results suggest a continuous lattice distortion of the bond-alternating chains.

本文言語英語
ホスト出版物のタイトルLOW TEMPERATURE PHYSICS
ホスト出版物のサブタイトル24th International Conference on Low Temperature Physics - LT24
ページ1029-1030
ページ数2
DOI
出版ステータス出版済み - 12 1 2006
イベントLOW TEMPERATURE PHYSICS: 24th International Conference on Low Temperature Physics - LT24 - Orlando, FL, 米国
継続期間: 8 10 200610 17 2006

出版物シリーズ

名前AIP Conference Proceedings
850
ISSN(印刷版)0094-243X
ISSN(電子版)1551-7616

その他

その他LOW TEMPERATURE PHYSICS: 24th International Conference on Low Temperature Physics - LT24
Country米国
CityOrlando, FL
Period8/10/0610/17/06

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)

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