期刊
PHYSICAL REVIEW LETTERS
卷 87, 期 7, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.87.075701
关键词
-
CO2 laser heating of solid CO2 at pressures between 30 and 80 GPa shows that this compound breaks down to oxygen and diamond along a boundary having a negative P-T slope. This decomposition occurs at temperatures much lower than predicted in theory or inferred from previous experiment. Raman spectroscopy and x-ray diffraction were used as structural probes. At pressures higher than 40 GPa the decomposition is preceded by the formation of a new CO2 phase (CO2-VI). These findings limit the stability of nonmolecular CO2 phases to moderate temperatures and provide a new topology of the CO2 phase diagram.
作者
我是这篇论文的作者
点击您的名字以认领此论文并将其添加到您的个人资料中。
推荐
暂无数据