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Crystal structure of CaRhO3 polymorph: High-pressure intermediate phase between perovskite and post-perovskite by Y. Shirako; H. Kojitani; A. R. Oganov; K. Fujino; H. Miura; D. Mori; Y. Inaguma; K. Yamaura; M. Akaogi is a Earth and Planetary Sciences article available to read on EtoBox.
What is Crystal structure of CaRhO3 polymorph: High-pressure intermediate phase between perovskite and post-perovskite about?
A high-pressure phase of CaRhO 3 stable between perovskite and post-perovskite in P-T space was synthesized at 17 GPa and 1650 °C using a multi-anvil apparatus. The crystal structure of CaRhO 3 was solved by the structure prediction evolutionary algorithm and was refined by Rietveld analysis of the synchrotron powder X-ray diffraction pattern, along with transmission electron microscopy observations. The structure is monoclinic with lattice parameters of a = 12.5114(1) Å, b = 3.1241(1) Å, c = 8.8579(1) Å, β = 103.951(1)°, V = 336.01(1) Å 3 with space group P2 1 /m. The structure contains edge-sharing RhO 6 octahedral chains along the b-axis. The six RhO 6 octahedral chains make a unit, which stacks up alternatively with the CaO 8 polyhedral layer along the [101] direction to form the structure of CaRhO 3 intermediate phase.
Who reads Crystal structure of CaRhO3 polymorph: High-pressure intermediate phase between perovskite and post-perovskite?
It is typically read by researchers, students, and practitioners in Earth and Planetary Sciences.
- Author
- Y. Shirako; H. Kojitani; A. R. Oganov; K. Fujino; H. Miura; D. Mori; Y. Inaguma; K. Yamaura; M. Akaogi
- Publisher
- Mineralogical Society of America
- Published
- 2012
- Language
- EN
- Field
- Earth and Planetary Sciences (Physical Sciences)