THERMAL-EXPANSION OF MGSIO3 PEROVSKITE AT 20.5 GPA

被引:26
|
作者
MORISHIMA, H [1 ]
OHTANI, E [1 ]
KATO, T [1 ]
SHIMOMURA, O [1 ]
KIKEGAWA, T [1 ]
机构
[1] NATL LAB HIGH ENERGY PHYS,PHOTON FACTORY,TSUKUBA,IBARAKI 305,JAPAN
关键词
D O I
10.1029/94GL00844
中图分类号
P [天文学、地球科学];
学科分类号
07 ;
摘要
A high pressure and high temperature in-situ X-ray diffraction experiment of MgSiO3 perovskite was conducted using a sintered diamond multianvil apparatus (SDMA8) combined with the synchrotron radiation. The unit cell parameters of the perovskite were measured up to 1095-degrees-C at about 20.5 GPa. The thermal expansion coefficient is 0.8(+/0.8)x10(-5) K-1 at 20.5 GPa and room temperature.
引用
收藏
页码:899 / 902
页数:4
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