Chin. Phys. Lett.  2004, Vol. 21 Issue (1): 67-69    DOI:
Original Articles |
Structural Phase Transformations of ZnS Nanocrystalline Under High Pressure
PAN Yue-Wu1;QU Sheng-Chun2;GAO Chun-Xiao1;HAN Yong-Hao1;LUO Ji-Feng1;CUI Qi-Liang1;LIU Jing3;ZOU Guang-Tian1
1National Laboratory of Superhard Materials, Institute of Atomic and Molecular Physics, Jilin University 130023 2Laboratory of Semiconductor Materials Science, Institute of Semiconductors, Chinese Academy of Sciences, Beijing 100083 3Beijing Synchrotron Radiation Facility, Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 100039
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PAN Yue-Wu, QU Sheng-Chun, GAO Chun-Xiao et al  2004 Chin. Phys. Lett. 21 67-69
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Abstract In-situ energy dispersive x-ray diffraction on ZnS nanocrystalline was carried out under high pressure by using a diamond anvil cell. Phase transition of wurtzite of 10 nm ZnS to rocksalt occurred at 16.0 GPa, which was higher than that of the bulk materials. The structures of ZnS nanocrystalline at different pressures were built by using materials studio and the bulk modulus, and the pressure derivative of ZnS nanocrystalline were derived by fitting the equation of Birch-Murnaghan. The resulting modulus was higher than that of the corresponding bulk material, which indicates that the nanomaterial has higher hardness than its bulk materials.

Keywords: 36.40.Ei      41.60.Ap      07.35.+k     
Published: 01 January 2004
PACS:  36.40.Ei (Phase transitions in clusters)  
  41.60.Ap (Synchrotron radiation)  
  07.35.+k (High-pressure apparatus; shock tubes; diamond anvil cells)  
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https://cpl.iphy.ac.cn/       OR      https://cpl.iphy.ac.cn/Y2004/V21/I1/067
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PAN Yue-Wu
QU Sheng-Chun
GAO Chun-Xiao
HAN Yong-Hao
LUO Ji-Feng
CUI Qi-Liang
LIU Jing
ZOU Guang-Tian
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