Magnetic Properties of Weak Itinerant Electron Ferromagnet Au4V

Magnetic Properties of Weak Itinerant Electron Ferromagnet Au4V
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弱流动电子Au4V铁磁体的磁性能

DOI:
10.2320/matertrans.mt-mn2019011
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发表时间:
2006
期刊:
影响因子:
--
通讯作者:
K. Ziebeck
K. Ziebeck
中科院分区:
--
文献类型:
--
作者:
T. Kanomata;T. Igarashi;H. Nishihara;K. Koyama;Kazuo Watanabe;K. Neumann;K. Ziebeck

文献摘要

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对弱流动电子铁磁体 CoVSb 进行了精确的磁化强度测量。 4.2 K 处的磁矩和居里温度 T C 为 0.16 μ B /f.u。和 45 K 分别。低于10 K,自发磁化强度M s (T) 2 的平方的减小与T 2 成比例。然而,在从24K到居里温度的宽温度范围内,M s (T) 2 的降低与T 4/3 成比例。使用自旋涨落理论对所得结果进行分析。
Precise magnetization measurements have been made on the weak itinerant electron ferromagnet CoVSb. The magnetic moment at 4.2 K and the Curie temperature T C are 0.16 μ B /f.u. and 45 K, respectively. Below 10 K, the decrease in the square of the spontaneous magnetization M s (T) 2 is proportional to T 2 . However, over a wide temperature range from 24 K to the Curie temperature, the decrease in M s (T) 2 is proportional to T 4/3 . The results obtained are analyzed using spin fluctuation theory.