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Pressure-induced phase transformation in controlled shape ZnO nanorods
Wu X(巫翔); Wu ZY(吴自玉); Guo L(郭林); Liu J(刘景); Li XD(李晓东); Wu, X; Wu, ZY; Guo, L; Liu, CM; Liu, J; Li, XD; Xu, HB
2005
发表期刊SOLID STATE COMMUNICATIONS
卷号135期号:11-12页码:780-784
通讯作者Chinese Acad Sci, Inst High Energy Phys, Beijing Synchrotron Radiat Facil, Beijing 100039, Peoples R China ; Chinese Acad Sci, Grad Sch, Beijing 100864, Peoples R China ; Beijing Univ Aeronaut & Astronaut, Sch Mat Sci & Engn, Beijing 100083, Peoples R China
摘要We present an in situ energy-dispersive X-ray diffraction study of pressure-induced phase transformations in ZnO nanorods and the corresponding bulk material up to 35.0 GPa at room temperature. ZnO nanorods with the wurtzite (P6(3)mc) structure start to transform to a rocksalt (Fm3m) structure at a pressure of 8.0 GPa, a pressure appreciably higher than the value observed for the bulk material (7.0 GPa). This behavior suggests that both the volume collapse and the surface energy difference between the phases involved mainly govern the change of the transition pressure. The reduction of the particle size for ZnO crystallites leads to a significant increase of the bulk modulus (B-O) and the pressure range of the coexistence of the wurtzite and rocksalt phases suggest that hardness of ZnO nanorods is higher than ZnO bulk. (C) 2005 Elsevier Ltd. All rights reserved.
文章类型Article
关键词ZnO nanorods phase transformation high pressure
学科领域Physics
研究领域[WOS]Physics
DOI10.1016/j.ssc.2005.02.011
URL查看原文
语种英语
WOS类目Physics, Condensed Matter
WOS记录号WOS:000231577600026
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被引频次:27[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/311005/238476
专题多学科研究中心
作者单位中国科学院高能物理研究所
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GB/T 7714
Wu X,Wu ZY,Guo L,et al. Pressure-induced phase transformation in controlled shape ZnO nanorods[J]. SOLID STATE COMMUNICATIONS,2005,135(11-12):780-784.
APA 巫翔.,吴自玉.,郭林.,刘景.,李晓东.,...&Xu, HB.(2005).Pressure-induced phase transformation in controlled shape ZnO nanorods.SOLID STATE COMMUNICATIONS,135(11-12),780-784.
MLA 巫翔,et al."Pressure-induced phase transformation in controlled shape ZnO nanorods".SOLID STATE COMMUNICATIONS 135.11-12(2005):780-784.
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