Magnetization Study of the Valence Fluctuation Compound Sm3Te4 at Very Low Temperatures

Takashi Tayama*, Kenichi Tenya, Hiroshi Amitsuka, Toshiro Sakakibara, Akira Ochiai, Takashi Suzuki

*この論文の責任著者

研究成果: ジャーナルへの寄稿学術論文査読

9 被引用数 (Scopus)

抄録

The ac susceptibility Χac and the dc magnetization M(H, T) of single crystals of Sm3Te4 have been measured at temperatures as low as 70 mK. A cusp is found in Χac at 1.3 K which is slightly lower than the temperature at which a broad peak of the specific heat was previously observed. Distinct irreversibility is observed in M(H, T) below ∼ 1.3 K. The results indicate that the Sm3+ moment undergoes a spin glass transition at Tg ∼ 1.3 K. It is likely that the two valence states of Sm2+(J = 0) and Sm2+(J = 5/2) are randomly frozen at low temperatures in the bcc lattice to effectively form a randomly diluted antiferromagnet.

本文言語英語
ページ(範囲)3467-3470
ページ数4
ジャーナルJournal of the Physical Society of Japan
65
11
DOI
出版ステータス出版済み - 1996

ASJC Scopus 主題領域

  • 物理学および天文学一般

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