Compressibility of Mg0.9Al0.2Si0.9O3 perovskite
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概要
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In situ X-ray diffraction experiments of Mg0.9Al0.2Si0.9O3 perovskite were carried out using a diamond anvil cell combined with synchrotron radiation and an imaging plate X-ray detector under hydrostatic pressures up to 9GPa at room temperature. The observed unit cell volumes were fitted to the third-order Birch-Murnaghan equation of state, yielding a bulk modulus KT0=225.5±1.2GPa when its pressure derivative KT0=4 is assumed. This KT0 value is about 10-13% lower than that of MgSiO3 perovskite reported so far.
- 日本学士院の論文
著者
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Yagi Takehiko
Institute For Solid State Physics The University Of Tokyo
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KUBO Atsushi
Institute for Study of the Earths Interior, Okayama University
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ONO Shigeaki
Institute for Solid State Physics, University of Tokyo
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AKAOGI Masaki
Faculty of Science, Gakushuin University
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