斜锆石(ZrO2)高温高压相变的Raman光谱研究

张红 肖万生 谭大勇 罗崇举 李延春 刘景

张红, 肖万生, 谭大勇, 罗崇举, 李延春, 刘景. 斜锆石(ZrO2)高温高压相变的Raman光谱研究[J]. 高压物理学报, 2007, 21(3): 264-268 . doi: 10.11858/gywlxb.2007.03.008
引用本文: 张红, 肖万生, 谭大勇, 罗崇举, 李延春, 刘景. 斜锆石(ZrO2)高温高压相变的Raman光谱研究[J]. 高压物理学报, 2007, 21(3): 264-268 . doi: 10.11858/gywlxb.2007.03.008
ZHANG Hong, XIAO Wan-Sheng, TAN Da-Yong, LUO Chong-Ju, LI Yan-Chun, LIU Jing. Investigation of Phase Transitions of ZrO2 under High-Pressure and High-Temperature Conditions by Raman Spectroscopy[J]. Chinese Journal of High Pressure Physics, 2007, 21(3): 264-268 . doi: 10.11858/gywlxb.2007.03.008
Citation: ZHANG Hong, XIAO Wan-Sheng, TAN Da-Yong, LUO Chong-Ju, LI Yan-Chun, LIU Jing. Investigation of Phase Transitions of ZrO2 under High-Pressure and High-Temperature Conditions by Raman Spectroscopy[J]. Chinese Journal of High Pressure Physics, 2007, 21(3): 264-268 . doi: 10.11858/gywlxb.2007.03.008

斜锆石(ZrO2)高温高压相变的Raman光谱研究

doi: 10.11858/gywlxb.2007.03.008
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    通讯作者:

    肖万生

Investigation of Phase Transitions of ZrO2 under High-Pressure and High-Temperature Conditions by Raman Spectroscopy

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    Corresponding author: XIAO Wan-Sheng
  • 摘要: 以Ar作压力介质,在0~23 GPa压力范围内,利用金刚石压腔装置(DAC)和激光加温技术,采用显微拉曼光谱进行原位测试,对处于准静水压力条件下的斜锆石开展高温高压相变研究。研究结果表明:室温下斜锆石ZrO2于3.4 GPa时开始发生相变,到10.4 GPa时其明显转变成一个空间群为Pbca的斜方相。此新相随着压力升高,直到15.3 GPa,仍稳定存在。通过研究,首次获得了Pbca相的拉曼谱图。随后在15.3 GPa压力下进行了激光加温后淬火,结果发现,加热前的Pbca相又转变成了空间群为Pnam的PbCl2结构类型的高压相,该相直到实验最高压力23 GPa仍稳定存在。

     

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出版历程
  • 收稿日期:  2006-03-08
  • 修回日期:  2006-04-30
  • 发布日期:  2007-09-05

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