Thermal expansion of MgSiO 3  perovskite at 20.5 GPa | Zendy

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

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Thermal expansion of MgSiO 3 perovskite at 20.5 GPa

Author(s) -

Morishima Hideaki,

Ohtani Eiji,

Kato Takumi,

Shimomura Osamu,

Kikegawa Takumi

Publication year - 1994

Publication title -

geophysical research letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 2.007

H-Index - 273

eISSN - 1944-8007

pISSN - 0094-8276

DOI - 10.1029/94gl00844

Subject(s) - thermal expansion , perovskite (structure) , synchrotron radiation , materials science , diamond anvil cell , synchrotron , diffraction , x ray crystallography , thermal , mineralogy , high pressure , analytical chemistry (journal) , thermodynamics , geology , crystallography , chemistry , composite material , optics , physics , chromatography

A high pressure and high temperature in‐situ X‐ray diffraction experiment of MgSiO 3 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.

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