OALib Journal期刊
ISSN: 2333-9721
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传压介质对晶格振动和相变压力的影响——α-Bi2O3的高压拉曼光谱研究
DOI: 10.11858/gywlxb.1990.02.001, PP. 81-86
Keywords: 传压介质,拉曼光谱,相变
Abstract:
本文分别使用4∶1的甲醇-乙醇混合溶液和固态氩做传压介质测量α-Bi2O3的高压拉曼光谱。实验结果表明,传压介质对样品的谱线频移速率及相变压力有明显的影响。通过对拉曼光谱的分析认定,α-Bi2O3在高压下可能经历了一次结构相变,在准静水压和非静水压条件下的相变压力分别为23.1GPa和20.4GPa。
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