(Mg,Fe)SiO3 perovskiteの結晶構造中のFe
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概要
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The perovskite form of Mg<SUB>0.981</SUB>Fe<SUB>0.028</SUB>Cr<SUB>0.011</SUB>Si<SUB>0.979</SUB>O<SUB>3</SUB>, quenched from 26 GPa and 1900°C in a uniaxial split-sphere-type high-pressure apparatus, was studied. The result of structural refinement indicates that Fe and a small amount of Cr substitute for Mg rather than for Si, contrary to the result of Jackson <I>et al</I>. (1987) who reported Fe in the octahedral site of a perovskite synthesized at 50 GPa and 2000 K in a diamond-anvil cell with laser heating.
- 日本結晶学会の論文