Thermal analysis on MnBi in high magnetic fields up to 45 T

Yoshifuru Mitsui, Yuki Ikehara, Kazuo Watanbe, Eun Sang Choi, Eric C. Palm, Keiichi Koyama

研究成果: Article査読

6 被引用数 (Scopus)

抄録

Differential thermal analysis (DTA) equipment for utilization in a high magnetic field of 45 T was developed. From the DTA experiments, the decomposition temperature (MnBi → Mn1.08Bi+liquid: 632 K at zero field) T t was found to increase linearly at a rate of 2 KT-1 in fields up to 18 T and to deviate from that linear increase above 20 T. In addition, the peritectic temperature (Mn1.08Bi → Mn + liquid: 721 K at zero field) T m was slightly increased by applying a magnetic field. At a magnetic field of 45 T, T t and T m reached 714 K and 726 K, respectively. The behaviors of T t and T m for MnBi and Mn1.08Bi under high magnetic fields are discussed, and the magnetic energies are calculated on the basis of mean field theory.

本文言語English
ページ(範囲)1769-1772
ページ数4
ジャーナルJournal of the Korean Physical Society
62
12
DOI
出版ステータスPublished - 2013 7月 1

ASJC Scopus subject areas

  • 物理学および天文学(全般)

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