Phase Transition of Pb0.8Sn0.2Te Crystal under High Pressure

GU Hui-Cheng; CHEN Liang-Chen; BAO Zhong-Xing; LI Feng-Ying

doi:10.11858/gywlxb.1996.03.010

Volume 10 Issue 3

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Article Contents

Chinese Journal of High Pressure Physics > 1996 > 10(3): 227-230 .

GU Hui-Cheng, CHEN Liang-Chen, BAO Zhong-Xing, LI Feng-Ying. Phase Transition of Pb0.8Sn0.2Te Crystal under High Pressure[J]. Chinese Journal of High Pressure Physics, 1996, 10(3): 227-230 . doi: 10.11858/gywlxb.1996.03.010

Citation:

GU Hui-Cheng, CHEN Liang-Chen, BAO Zhong-Xing, LI Feng-Ying. Phase Transition of Pb0.8Sn0.2Te Crystal under High Pressure[J]. Chinese Journal of High Pressure Physics, 1996, 10(3): 227-230 . doi: 10.11858/gywlxb.1996.03.010

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Phase Transition of Pb0.8Sn0.2Te Crystal under High Pressure

doi: 10.11858/gywlxb.1996.03.010

Institute of Physics, Chinese Academy of Sciences, Beijing 100080, China

More Information

Corresponding author: GU Hui-Cheng
Received Date: 23 Jan 1996
Rev Recd Date: 03 Apr 1996
Publish Date: 05 Sep 1996

Abstract

Abstract

Phase transitions of Pb0.8Sn0.2Te crystal have been observed by X-ray powder diffraction technique with a diamond anvil cell (DAC) at pressures up to 25.2 GPa. At ambient pressure, Pb0.8Sn0.2Te crystal has fcc structure. Based on our experimental results, we observed that there exist two phase transitions in Pb0.8Sn0.2Te crystal. One appears at the pressure of 6.1 GPa, and the other at the pressure of 14.9 GPa. The former phase transition is concerned with metallization of Pb0.8Sn0.2Te crystal. Both phase transitions are reversible.
- high pressure phase transition,
- X-ray diffraction,
- Pb0.8Sn0.2Te crystal