Band paramagnetism in Fe65(Ni1−xMnx)35 alloys near a critical concentration
Band paramagnetism in Fe65(Ni1−xMnx)35 alloys near a critical concentration
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Fe65(Ni1−xMnx)35 合金中临界浓度附近的能带顺磁性
DOI：
10.1016/0304-8853(91)90157-6
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发表时间：
1991
影响因子：
2.7
通讯作者：
B. K. Ponomarev
中科院分区：
文献类型：
--
作者：
B. K. Ponomarev
在80 - 330 K温度范围内，在高达320 kOe的脉冲磁场中，测量了无序fcc合金Fe_（65）（Ni_（1-x）Mn_x）_（35）（x= 0.295; 10.30at%Mn）在铁磁-反铁磁相变临界浓度附近的磁化强度。在整个温度区间研究的合金是顺磁性的。的磁场和温度上的磁化强度的实验依赖性进行了比较与交换增强带顺磁性理论的预测。在大磁化强度区，理论与实验符合得很好。
Magnetization of disordered fcc alloy Fe65(Ni1-xMnx)35(x= 0.295; 10.30at%Mn) near a critical concentration of the ferro-antiferromagnetism transformation has been measured in a pulsed magnetic field up to 320 kOe at temperatures from 80 to 330 K. Throughout the temperature interval investigated the alloy is paramagnetic. The experimental dependences of magnetization on the field and the temperature are compared with the predictions of the theory of exchange-enhanced band paramagnetism. The theory agrees well with the experiment in the region of large magnetization values.