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ZnO单晶薄膜光电响应特性
引用本文:李瑛,冯士维,杨集,张跃宗,谢雪松,吕长志,卢毅成.ZnO单晶薄膜光电响应特性[J].半导体学报,2006,27(1):96-99.
作者姓名:李瑛  冯士维  杨集  张跃宗  谢雪松  吕长志  卢毅成
作者单位:北京工业大学电子信息与控制工程学院,北京 100022;北京工业大学电子信息与控制工程学院,北京 100022;北京工业大学电子信息与控制工程学院,北京 100022;北京工业大学电子信息与控制工程学院,北京 100022;北京工业大学电子信息与控制工程学院,北京 100022;北京工业大学电子信息与控制工程学院,北京 100022;Department of Computer and Electrical Engineering,Rutgers University,Piscataway,NJ 08854,USA
基金项目:北京市优秀人才培养基金
摘    要:对采用MOCVD方法沉积的ZnO单晶薄膜的欧姆接触特性、光电特性进行了研究,并对比研究了射频溅射沉积SiO2抗反射膜对ZnO薄膜I-V、光电特性的影响.实验结果表明,非合金Al/ZnO金属体系与n型ZnO形成了良好的欧姆接触,溅射沉积SiO2在ZnO表面引入了载流子陷阱,影响I-V特性,延长了光响应下降时间.ZnO单晶薄膜光电导也具有时间退化现象.

关 键 词:单晶ZnO  MOCVD  光电响应  AR膜  RF溅射损伤  单晶薄膜  光电响应特性  Film  Single  Crystal  退化现象  下降时间  光电导  光响应  延长  载流子陷阱  表面  射频溅射沉积  欧姆接触  体系  金属  非合金  结果  实验  影响  抗反射膜
文章编号:0253-4177(2006)01-0096-04
收稿时间:04 25 2005 12:00AM
修稿时间:09 20 2005 12:00AM

Photoresponse of ZnO Single Crystal Film
Li Ying,Feng Shiwei,Yang Ji,Zhang Yuezong,Xie Xuesong,Lu Yicheng.Photoresponse of ZnO Single Crystal Film[J].Chinese Journal of Semiconductors,2006,27(1):96-99.
Authors:Li Ying  Feng Shiwei  Yang Ji  Zhang Yuezong  Xie Xuesong  Lu Yicheng
Affiliation:School of Electronic Information & Control Engineering,Beijing University of Technology,Beijing 100022,China;School of Electronic Information & Control Engineering,Beijing University of Technology,Beijing 100022,China;School of Electronic Information & Control Engineering,Beijing University of Technology,Beijing 100022,China;School of Electronic Information & Control Engineering,Beijing University of Technology,Beijing 100022,China;School of Electronic Information & Control Engineering,Beijing University of Technology,Beijing 100022,China;School of Electronic Information & Control Engineering,Beijing University of Technology,Beijing 100022,China;Department of Computer and Electrical Engineering,Rutgers University,Piscataway,NJ 08854,USA
Abstract:The Ohmic contact and photoresponse of a ZnO single crystal film produced by MOCVD are investigated.The electrical and photoresponsive changes in the ZnO film due to the RF sputter deposition of SiO2 (antireflective coating) are also discussed.A nonalloyed Al/Au metallization scheme forms a good Ohmic contact on the n-type ZnO.RF sputter deposition of SiO2 induces defects which behave as carrier traps and prolongs response time.The photoresponse of the ZnO epitaxial film deteriorates with time.
Keywords:ZnO single crystal film  MOCVD  photoresponse  AR coating  RF sputter damage
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