期刊
CHEMICAL RESEARCH IN CHINESE UNIVERSITIES
卷 32, 期 4, 页码 545-548出版社
HIGHER EDUCATION PRESS
DOI: 10.1007/s40242-016-5469-z
关键词
Y2O3; High pressure; Multi-anvil synthesis
资金
- National Natural Science foundation of China [U1232204, 41473056]
The monoclinic phase of Y2O3(B-RES) has been synthesized using a Kawai-type multi-anvil apparatus under 20 GPa at 1800 degrees C. Samples of the cubic Y2O3(C-RES) and monoclinic Y2O3 phases were characterized by synchrotron radiation X-ray diffraction, X-ray absorption near edge structure and Raman spectroscopy. Crystal structures of the cubic and monoclinic phases have been examined using Rietveld refinement of the X-ray diffraction data. The cubic-to-monoclinic transition of Y2O3 was reconstructive and irreversible. The X-ray diffraction results were further confirmed by simulation of the X-ray absorption spectra.
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