Thermal expansion of MgSiO3 perovskite at 20.5 GPa

Hideaki Morishima; Eiji Ohtani; Takumi Kato; Osamu Shimomura; Takumi Kikegawa

doi:10.1029/94GL00844

Thermal expansion of MgSiO₃ perovskite at 20.5 GPa

Hideaki Morishima, Eiji Ohtani, Takumi Kato, Osamu Shimomura, Takumi Kikegawa

SCI - Earth Science

Research output: Contribution to journal › Article

24 Citations (Scopus)

Abstract

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°C at about 20.5 GPa. The thermal expansion coefficient is 0.8(±0.8)×10⁻⁵ K⁻¹ at 20.5 GPa and room temperature.

Original language	English
Pages (from-to)	899-902
Number of pages	4
Journal	Geophysical Research Letters
Volume	21
Issue number	10
DOIs	https://doi.org/10.1029/94GL00844
Publication status	Published - 1994 May 15

ASJC Scopus subject areas

Geophysics
Earth and Planetary Sciences(all)

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