Magnetic Transformation in MnBi

Magnetic Transformation in MnBi
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DOI:
10.1103/physrev.99.446
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发表时间:
1955-07
期刊:
影响因子:
--
通讯作者:
R. R. Heikes-R.
R. R. Heikes-R.
中科院分区:
--
文献类型:
--
作者:
R. R. Heikes-R.

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在633K时,锰铋的自发磁化强度急剧丧失,在相同温度下,晶格常数发生剧烈变化。以前的工作人员将这两种现象都解释为铁磁-反铁磁转变引起的。结果表明,633K以上的相为铁磁性相,居里温度约为470K。
Manganese bismuth loses its spontaneous magnetization very sharply at 633\ifmmode^\circ\else\textdegree\fi{}K. At the same temperature drastic changes occur in the lattice constants. Previous workers have interpreted both these phenomena as arising from a ferromagnetic-antiferromagnetic transition. The present work indicates that the phase existing above 633\ifmmode^\circ\else\textdegree\fi{}K is actually a ferromagnetic one with a Curie temperature of about 470\ifmmode^\circ\else\textdegree\fi{}K.