钼基焦绿石结构Sm2Mo2O7的掺杂效应

被引:0
作者
赵超先
机构
[1] 晓庄学院物理系
关键词
焦绿石; 巨磁阻; 掺杂效应; 相变;
D O I
暂无
中图分类号
O611.3 [性质];
学科分类号
070301 ; 081704 ;
摘要
实验研究了掺杂对钼基焦绿石结构的Sm2-xSrxMo2O7(0.2≤x≤0.6)的磁性质和热性质的影响.实验结果表明,Sm2-xSrxMo2O7(0.2≤x≤0.6)依然具有铁磁性,但随掺杂浓度x的增加,饱和磁化强度逐渐减少,而热扩散率逐渐增加.该现象产生的原因是由于Sr离子的掺杂引起了Sm2Mo2O7结构的变化所引起的.
引用
收藏
页码:102 / 105
页数:4
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