纳米硫化锌球壳的高压相变研究

王霖; 刘冰冰; 王卉; 侯元元; 艾晓雷; 潘跃武; 崔启良; 邹广田; 刘洪江; 倪永红; 等

doi:10.11858/gywlxb.2005.04.013

纳米硫化锌球壳的高压相变研究

doi: 10.11858/gywlxb.2005.04.013

1.
吉林大学超硬材料国家重点实验室，吉林长春 130012；
2.
南京大学配位化学国家重点实验室，江苏南京 210093；
3.
中国科学院高能物理研究所，北京 100023

详细信息

通讯作者:
王霖

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出版历程
- 收稿日期: 2004-12-29
- 修回日期: 2005-09-26
- 发布日期: 2005-12-05

Pressure Induced Phase Transition of Nano Zinc Sulfide Shell

1.
National Lab of Superhard Materials of Jilin University, Changchun 130012, China;
2.
National Chemical Lab of Nanjing University, Nanjing 210093, China;
3.
Institute of High Energy of Chinese Science Academe, Beijing 10023, China

More Information

Corresponding author: WANG Lin

摘要

摘要: 采用同步辐射能量色散X射线衍射（EDEX）技术和金刚石对顶砧高压装置，对纳米硫化锌球壳进行了原位高压X射线衍射实验。最高压力达33.3 GPa。常压下纳米硫化锌球壳为纤锌矿结构和闪锌矿结构共存的混相结构。压力达到11.2 GPa时，纳米硫化锌空心球中的纤锌矿结构全部转变为闪锌矿结构。压力达到16.0 GPa时，发生了由闪锌矿结构向岩盐矿结构的相变，在17.5 GPa和21.0 GPa时分别出现未知峰，33.3 GPa时基本完全转变为岩盐矿结构。两个相变均为可逆相变。
- 纳米硫化锌球壳 /
- 同步辐射 /
- 高压 /
- 相变
Abstract: In situ energy dispersive X-ray diffraction measurements on nano zinc sulfide shell have been carried out by using diamond anvil cell with synchrotron radiation. The highest pressure is 33.3 GPa in the experiment. The raw materials contain two structures of ZnS, which are wurtzite and zinc blende respectively. With increasing pressure, the wurtzite structre was transformed to zinc blende structure at 11.2 GPa. A phase transition from zinc blende structure to rocksalt structure occurred as the pressure reached to 16.0 GPa. Two unknown diffraction peaks were found in the range of pressure from 17.5 GPa to 21.0 GPa. The rocksalt structure existed as the pressure reached to 33.3 GPa. Both of the phase transitions are reversible.
- nano zinc sulfide shell /
- high pressure /
- phase transition /
- synchrotron radiation

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参考文献(15)

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