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(100)取向AlN薄膜的制备及其压电性能研究
引用本文:尹涛涛,杨保和,李翠平,王进.(100)取向AlN薄膜的制备及其压电性能研究[J].光电子.激光,2012(7):1327-1332.
作者姓名:尹涛涛  杨保和  李翠平  王进
作者单位:天津理工大学天津市薄膜电子与通信器件重点实验室;天津理工大学天津市薄膜电子与通信器件重点实验室;天津理工大学天津市薄膜电子与通信器件重点实验室;天津理工大学天津市薄膜电子与通信器件重点实验室
基金项目:国家自然科学基金(50972105);天津市自然基金(09JCZDJC16500);天津市支撑重点项目(10ZCKFGX01200)资助项目
摘    要:采用射频磁控溅射法,在Si(100)衬底(含Au导电层)上制备了(100)取向的AlN薄膜并研究了工作压强和溅射功率对制备的AlN薄膜性能的影响。利用X射线衍射仪(XRD)分析了薄膜结构特性,结果表明,在一定范围内,工作压强的增加和溅射功率的减小更有利于AlN(100)晶面择优取向的生长。利用压电力显微镜(PFM)对AlN薄膜的形貌和压电性能进行了表征,发现(100)择优取向的AlN薄膜的压电性主要表现在薄膜面内方向上。

关 键 词:AlN薄膜  射频磁控溅射  压电性能  (100)择优取向

Preparation and piezoelectric properties of(100) oriented AlN film
YIN Tao-tao,YANG Bao-he,LI Cui-ping and Wang Jin.Preparation and piezoelectric properties of(100) oriented AlN film[J].Journal of Optoelectronics·laser,2012(7):1327-1332.
Authors:YIN Tao-tao  YANG Bao-he  LI Cui-ping and Wang Jin
Affiliation:Tianjin Key Laboratory of Film Electronic and Communication Devices,Tianjin University of Technology,Tianjin 300384,China;Tianjin Key Laboratory of Film Electronic and Communication Devices,Tianjin University of Technology,Tianjin 300384,China;Tianjin Key Laboratory of Film Electronic and Communication Devices,Tianjin University of Technology,Tianjin 300384,China;Tianjin Key Laboratory of Film Electronic and Communication Devices,Tianjin University of Technology,Tianjin 300384,China
Abstract:AlN thin films with(100) preferential orientation were prepared on Si(100) substrates(including Au conductive layer) by radio frequency(RF) magnetron sputtering technique.The effects of gas pressure and sputtering power on the preparation of the(100) oriented AlN film are studied.The structure properties of the film are analyzed by X-ray diffraction(XRD).And the results show that the(100) oriented AlN film is easily formed at higher gas pressure and lower sputtering power.The surface topography and piezoelectric properties of the film are characterized by piezoresponse force microscopy(PFM).It is found that the piezoelectric properties of the(100) oriented AlN film are mainly observed in the direction parallel to the surface of the film.
Keywords:AlN film  radio frequency(RF) magnetron sputtering  piezoelectric properties  (100) preferential orientation
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