硫化铁的两个电导率相关的相变

李明 高春晓 张冬梅 郝爱民 贺春元 黄晓伟 于翠玲 邹广田

李明, 高春晓, 张冬梅, 郝爱民, 贺春元, 黄晓伟, 于翠玲, 邹广田. 硫化铁的两个电导率相关的相变[J]. 高压物理学报, 2008, 22(1): 43-47 . doi: 10.11858/gywlxb.2008.01.010
引用本文: 李明, 高春晓, 张冬梅, 郝爱民, 贺春元, 黄晓伟, 于翠玲, 邹广田. 硫化铁的两个电导率相关的相变[J]. 高压物理学报, 2008, 22(1): 43-47 . doi: 10.11858/gywlxb.2008.01.010
LI Ming, GAO Chun-Xiao, ZHANG Dong-Mei, HAO Ai-Min, HE Chun-Yuan, HUANG Xiao-Wei, YU Cui-Ling, ZOU Guang-Tian. Electrical Conductivity Evidence for Phase Transitions of FeS under High Temperature and High Pressure[J]. Chinese Journal of High Pressure Physics, 2008, 22(1): 43-47 . doi: 10.11858/gywlxb.2008.01.010
Citation: LI Ming, GAO Chun-Xiao, ZHANG Dong-Mei, HAO Ai-Min, HE Chun-Yuan, HUANG Xiao-Wei, YU Cui-Ling, ZOU Guang-Tian. Electrical Conductivity Evidence for Phase Transitions of FeS under High Temperature and High Pressure[J]. Chinese Journal of High Pressure Physics, 2008, 22(1): 43-47 . doi: 10.11858/gywlxb.2008.01.010

硫化铁的两个电导率相关的相变

doi: 10.11858/gywlxb.2008.01.010
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    通讯作者:

    高春晓

Electrical Conductivity Evidence for Phase Transitions of FeS under High Temperature and High Pressure

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    Corresponding author: GAO Chun-Xiao
  • 摘要: 由于X射线对高级相变和电子相变不够敏感,致使很多物质的相变和新的性质被忽略。对物质电阻的变化进行分析可以很好地弥补这一缺陷。通过金刚石对顶砧上原位电阻测量方法,在0~88.7 GPa的压强范围内,在300~443 K的温度条件下,基于范德堡法电阻测量原理,对硫化铁的电导率进行了测量。通过对电导率的分析发现,在零压、温度为408 K的条件下,硫化铁转变成了NiAs结构相。在34.7 GPa和61.3 GPa压强处发现了两个新的突变点,为了印证这两处相变的可靠性,分别测量了在不同压强下样品电导率随温度的变化情况。

     

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出版历程
  • 收稿日期:  2007-02-20
  • 修回日期:  2007-05-26
  • 发布日期:  2008-03-05

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