POLYMORPHISM OF ZINC OXIDE NANOWIRES

摘要：

We report a previously unknown body-centered-tetragonal structure for ZnO.This structure results from a phase transformation from wurtzite in 0001-oriented nanorods during uniaxial tensile loading and is the most stable phase for ZnO when stress is above 7 Gpa.The stress-induced phase transformation has important implications for the electronic,piezoelectric,mechanical and thermal responses of ZnO.The discovery of this new polymorph brings about a more complete understanding of the extent and nature of polymorphism in ZnO.A crystalline structure-load triaxiality map is developed to summarize the relationship between structure and loading.

作者: A.J.Kuikarni J.Wang K.Sarasamak S.Limpijumnong F.J.Ke M.Zhou

作者单位: School of Mechanical Engineering,Georgia Institute of echnology,Atlanta,GA30332-0405,USA Department of Physics,Beihang University,Beijing 100083,China School of Physics,Suranaree University of Technology and National Synchrotron Research Center,Nakhon School of Mechanical Engineering,Georgia Institute of Technology,Atlanta,GA30332-0405,USA

会议类型: 国际会议

会议名称: 第二届国际非均质材料力学会议(The Second International Conference on Heterogeneous Material Mechanics)

会议地点: 安徽黄山

会议语种:英文

页码: 70-77

在线出版日期: 2008-06-03（万方平台首次上网日期，不代表论文的发表时间）