Spin Freezing Properties of an Ising Spin Glass Fe0.05TiS2 in Zero and Non-Zero Magnetic Fields

Fumihiro Matsukura, Yuuichi Tazuke

研究成果: Article査読

10 被引用数 (Scopus)

抄録

In order to understand spin freezing properties, ac-susceptibility χac and relaxation of thermoremanent magnetization (TRM) were measured on an Ising spin glass Fe0 05TiS2 in zero and non-zero fields. Analysis of χac above the spin glass freezing temperature shows that a rectangular distribution of spin relaxation times is appropriate and the temperature dependence of the average spin relaxation time follows the power law. The waiting time effects on the relaxation of TRM below the freezing temperature can be interpreted by a hierarchical many-valley structure. These results are consistent with Sherrington-Kirkpatrick model's prediction that the spin glass freezing is a phase transition in both zero and non-zero fields.

本文言語English
ページ(範囲)1474-1485
ページ数12
ジャーナルjournal of the physical society of japan
63
4
DOI
出版ステータスPublished - 1994 1 1
外部発表はい

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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