High-Pressure X-Ray Diffraction and Raman Scattering of LiTaO3
ZHANG Wei-Wei1 , CUI Qi-Liang1 , PAN Yue-Wu1 , DONG Shu-Shan1 , LIU Jing2 , ZOU Guang-Tian1
1 National Laboratory of Superhard Materials, Jilin University, Changchun 130023
2 Laboratory of Synchrotron Radiation, Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 100039
High-Pressure X-Ray Diffraction and Raman Scattering of LiTaO3
ZHANG Wei-Wei1 ;CUI Qi-Liang1 ;PAN Yue-Wu1 ;DONG Shu-Shan1 ;LIU Jing2 ;ZOU Guang-Tian1
1 National Laboratory of Superhard Materials, Jilin University, Changchun 130023
2 Laboratory of Synchrotron Radiation, Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 100039
关键词 ：
64.30.+t ,
62.50.+p ,
61.10.i ,
78.30.Hv
Abstract ： We study the energy-dispersive x-ray diffraction and Raman3 at high pressure. The result keeps stable up to 36 GPa. The average isothermal bulk modulus and its pressure derivative are obtained to be k0 = (225±6) GPa and k｀0 = 1.3±0.5 at zero pressure by the Birch-Murnaghan equation of state and the “universal”equation of state. The linear incompressibility of LiTaO3 between the a- and c-directions differs by a factor of four, which shows that the compression is anisotropic.
Key words ：
64.30.+t
62.50.+p
61.10.i
78.30.Hv
出版日期: 2002-11-01
引用本文:
ZHANG Wei-Wei;CUI Qi-Liang;PAN Yue-Wu;DONG Shu-Shan;LIU Jing;ZOU Guang-Tian. High-Pressure X-Ray Diffraction and Raman Scattering of LiTaO3 [J]. 中国物理快报, 2002, 19(11): 1666-1668.
3 . Chin. Phys. Lett., 2002, 19(11): 1666-1668.
链接本文:
https://cpl.iphy.ac.cn/CN/
或
https://cpl.iphy.ac.cn/CN/Y2002/V19/I11/1666
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2002, Vol. 19 
