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Pressure-induced amorphization in orthorhombic Ta2O5: An intrinsic character of crystal
Li, QJ; Zhang, HF; Cheng, BY; Liu, R; Liu, B; Liu, J; Chen, ZQ; Zou, B; Cui, T; Liu, BB;刘景
2014
发表期刊JOURNAL OF APPLIED PHYSICS
卷号115期号:19页码:193512
摘要The phase transition of orthorhombic Ta2O5 was investigated by in situ synchrotron X-ray diffraction and Raman spectroscopy. The orthorhombic phase transforms into an amorphous form completely at 24.7 GPa. A bulk modulus B-0 = 139 (9) GPa for the orthorhombic Ta2O5 is derived from the P-V data. We suggest that the pressure-induced amorphization (PIA) in Ta2O5 can be attributed to the unstability of the a axis under high pressure leads to the connections of polyhedral breaking down and even triggers disorder of the whole crystal frame. These results demonstrate that the PIA is an intrinsic character of Ta2O5 which depends on its orthorhombic crystal structure rather than nanosize effects. This study provides a new kind of bulk material for investigating PIA in metal oxides. (C) 2014 AIP Publishing LLC.
学科领域Physics
DOI10.1063/1.4879245
收录类别SCI
WOS记录号WOS:000336920200024
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被引频次:7[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/225063
专题多学科研究中心
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Li, QJ,Zhang, HF,Cheng, BY,et al. Pressure-induced amorphization in orthorhombic Ta2O5: An intrinsic character of crystal[J]. JOURNAL OF APPLIED PHYSICS,2014,115(19):193512.
APA Li, QJ.,Zhang, HF.,Cheng, BY.,Liu, R.,Liu, B.,...&Liu, BB;刘景.(2014).Pressure-induced amorphization in orthorhombic Ta2O5: An intrinsic character of crystal.JOURNAL OF APPLIED PHYSICS,115(19),193512.
MLA Li, QJ,et al."Pressure-induced amorphization in orthorhombic Ta2O5: An intrinsic character of crystal".JOURNAL OF APPLIED PHYSICS 115.19(2014):193512.
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