高压下Sr2FeMoO6的电学性质与相变

赵攀; 鲍忠兴; 柳翠霞; 李凤英; 刘振兴; 金明芝; 禹日成; 靳常青

doi:10.11858/gywlxb.2002.02.009

高压下Sr2FeMoO6的电学性质与相变

doi: 10.11858/gywlxb.2002.02.009

赵攀^1,2,3,,
鲍忠兴^1,2,4,
柳翠霞^1,2,
李凤英^1,2,
刘振兴^1,2,
金明芝³,
禹日成^1,2,
靳常青^1,2

1.
中国科学院物理研究所极端条件实验室，北京 100080；
2.
北京高压科学研究中心，北京 100080；
3.
吉林大学物理系，吉林长春 130023；
4.
中国科学院国际材料物理中心，辽宁沈阳 110015

详细信息

通讯作者:
赵攀

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出版历程
- 收稿日期: 2001-10-08
- 修回日期: 2001-12-19
- 发布日期: 2002-06-05

Electrical Properties and Phase Transition of Sr2FeMoO6 under High Pressure

1.
Laboratory for Extreme Condition Physics, Institute of Physics, Chinese Academy of Sciences, Beijing 100080, China;
2.
Beijing Center for High Pressure Research, Beijing 100080, China;
3.
Department of Physics, Jilin University, Changchun 130023, China;
4.
International Center for Materials Physics, Chinese Academy of Sciences, Shenyang 110015, China

More Information

Corresponding author: ZHAO Pan

摘要

摘要: 采用电阻和电容测量方法，在金刚石压砧装置上研究了Sr2FeMoO6多晶粉末在室温下和20 GPa内的电阻、电容和压力的关系。实验结果表明，样品的电阻和电容在约2.1 GPa的压力下都产生了突然的变化，发生了金属化相变。这些变化可能是由高压下Sr2FeMoO6的电子结构相变引起的。
- 高压原位测试 /
- 钙钛矿结构 /
- 磁电阻 /
- 金属化相变
Abstract: The resistance-pressure and capacitance-pressure relationships for double perovskite material of Sr2FeMoO6 at room temperature and up to 20 GPa were studied using a diamond anvil cell. The experimental results show that Sr2FeMoO6 (a kind of half-metal material) undergoes metallic transition at about 2.1 GPa. We believe this transition is related with electronic structure transition under high pressure.
- high pressure measurement in site /
- perovskite structure /
- magnetoresistance /
- phase transition

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参考文献(6)

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