Phase transitions in a hydrogen-rich compound: tetramethylsilane

被引：1

作者：

Qin Zhen-Xing ^{[1
]}

Tang Ling-Yun ^{[1
]}

Liu Jing ^{[2
]}

Chen Xiao-Jia ^{[1
]}

机构：

[1] S China Univ Technol, Dept Phys, Guangzhou 510641, Guangdong, Peoples R China

[2] Chinese Acad Sci, Inst High Energy Phys, Beijing 100190, Peoples R China

来源：

CHINESE PHYSICS C | 2013年 / 37卷 / 09期

关键词：

high-pressure; hydrogen-rich; phase transition; PRESSURE-INDUCED METALLIZATION; CRYSTAL-STRUCTURES; SUPERCONDUCTIVITY; SPECTRA;

D O I：

10.1088/1674-1137/37/9/098001

中图分类号：

O57 [原子核物理学、高能物理学];

学科分类号：

070202 ;

摘要：

High-pressure behavior of tetramethylsilane is investigated by synchrotron powder X-ray diffraction and Raman scattering at pressures up to 30 GPa and room temperature. Our results reveal the analogous phase transitions, though slight hysteresis for the certain phases. A new phase is found to appear at 4.2 GPa due to the disappeared Raman mode. These findings offer the possibility to understand the evolution of the H-H bonding with pressure in such hydrogen-rich compounds.

引用

页数：5

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