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Effect of crystallization water on the structural and electrical properties of CuWO4 under high pressure
Wang, L; Ke, F; Wang, QL; Yan, JJ; Liu, CL; Liu, XZ; Li, YC; Han, YH; Ma, YZ; Gao, CX; Li YC(李延春)
2015
发表期刊APPLIED PHYSICS LETTERS
卷号107期号:20页码:201603
文章类型Article
摘要The effect of crystallization water on the structural and electrical properties of CuWO4 under high pressure has been investigated by in situ X-ray diffraction and alternating current impedance spectra measurements. The crystallization water was found to be a key role in modulating the structural stability of CuWO4 at high pressures. The anhydrous CuWO4 undergoes two pressure-induced structural transitions at 8.8 and 18.5 GPa, respectively, while CuWO4 center dot 2H(2)O keeps its original structure up to 40.5 GPa. Besides, the crystallization water makes the electrical transport behavior of anhydrous CuWO4 and CuWO4 center dot 2H(2)O quite different. The charge carrier transportation is always isotropic in CuWO4 center dot 2H(2)O, but anisotropic in the triclinic and the third phase of anhydrous CuWO4. The grain resistance of CuWO4 center dot 2H(2)O is always larger than that of anhydrous CuWO4 in the entire pressure range. By analyzing the relaxation response, we found that the large number of hydrogen bonds can soften the grain characteristic frequency of CuWO4 center dot 2H(2)O over CuWO4 by one order of magnitude. (C) 2015 AIP Publishing LLC.
学科领域Physics
DOI10.1063/1.4935978
收录类别SCI ; EI
WOS类目Physics, Applied
WOS记录号WOS:000365688700018
引用统计
文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/228849
专题多学科研究中心
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GB/T 7714
Wang, L,Ke, F,Wang, QL,et al. Effect of crystallization water on the structural and electrical properties of CuWO4 under high pressure[J]. APPLIED PHYSICS LETTERS,2015,107(20):201603.
APA Wang, L.,Ke, F.,Wang, QL.,Yan, JJ.,Liu, CL.,...&李延春.(2015).Effect of crystallization water on the structural and electrical properties of CuWO4 under high pressure.APPLIED PHYSICS LETTERS,107(20),201603.
MLA Wang, L,et al."Effect of crystallization water on the structural and electrical properties of CuWO4 under high pressure".APPLIED PHYSICS LETTERS 107.20(2015):201603.
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