六角相B-C-N化合物的高压相变研究

杨洁 李明 林鹏 于栋力 何巨龙

杨洁, 李明, 林鹏, 于栋力, 何巨龙. 六角相B-C-N化合物的高压相变研究[J]. 高压物理学报, 2011, 25(2): 123-127 . doi: 10.11858/gywlxb.2011.02.005
引用本文: 杨洁, 李明, 林鹏, 于栋力, 何巨龙. 六角相B-C-N化合物的高压相变研究[J]. 高压物理学报, 2011, 25(2): 123-127 . doi: 10.11858/gywlxb.2011.02.005
YANG Jie, LI Ming, LIN Peng, YU Dong-Li, HE Ju-Long. Study on High-Pressure Phase Transition of Hexagonal B-C-N Compound[J]. Chinese Journal of High Pressure Physics, 2011, 25(2): 123-127 . doi: 10.11858/gywlxb.2011.02.005
Citation: YANG Jie, LI Ming, LIN Peng, YU Dong-Li, HE Ju-Long. Study on High-Pressure Phase Transition of Hexagonal B-C-N Compound[J]. Chinese Journal of High Pressure Physics, 2011, 25(2): 123-127 . doi: 10.11858/gywlxb.2011.02.005

六角相B-C-N化合物的高压相变研究

doi: 10.11858/gywlxb.2011.02.005
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    通讯作者:

    杨洁

Study on High-Pressure Phase Transition of Hexagonal B-C-N Compound

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    Corresponding author: YANG Jie
  • 摘要: 采用原位高压同步辐射能散X射线衍射和金刚石压砧技术,实验研究了新型超硬材料六角相B0.47C0.23N0.30的高压相变及物理特性,压力范围为1.4~30 GPa。实验结果表明,六角相B0.47C0.23N0.30在14.9 GPa压力下发生了相变,形成的新相为六方纤锌矿结构。计算得到了具有六方纤锌矿结构的B0.47C0.23N0.30的晶格常数、晶胞体积随压力的变化关系,并与六角相B0.47C0.23N0.30进行了对比分析。根据布里奇曼方程,计算得到了具有六方纤锌矿结构的B0.47C0.23N0.30的体模量K0=(27526)GPa,非常接近立方相BC2N的体模量(28215)GPa。

     

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出版历程
  • 收稿日期:  2010-03-22
  • 修回日期:  2010-07-05
  • 发布日期:  2011-04-15

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