Pressure-induced phase transformation in controlled shape ZnO nanorods

	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
刊名	SOLID STATE COMMUNICATIONS
	2005
卷号	135 期号:11-12 页码:780-784
关键词	ZnO nanorods phase transformation high pressure
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
英文摘要	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.
学科主题	Physics
类目[WOS]	Physics, Condensed Matter
研究领域[WOS]	Physics
原文出处	SCI
语种	英语
WOS记录号	WOS:000231577600026
内容类型	期刊论文
源URL	[http://ir.ihep.ac.cn/handle/311005/238476]
专题	高能物理研究所_多学科研究中心
作者单位	中国科学院高能物理研究所
推荐引用方式 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.