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OALib Journal期刊
ISSN: 2333-9721
费用：99美元
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50GPa下NiO等温状态方程的高压X光研究
DOI: 10.11858/gywlxb.1990.04.001, PP. 241-245
Keywords: NiO,高压X光衍射,室温状态方程
Abstract:
本文采用在位的（insitu）高压X光衍射方法研究了近50GPa和室温下三方结构NiO的等温压缩行为，并用Murnaghan状态方程对实验值进行了最小二乘法拟合，得到的NiO室温状态方程的相应参量分别为：B0=223GPa，B0'=4.21。在室温压力范围内没有观察到第一类结构相变。NiO在六方指标下的轴比c/a随压力的变化在实验压力范围内可用c/a=2.450~1.569×10-3（GPa）近似描述。
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