Suppression of oxygen vacancies in Be alloyed ZnO
Chen, MM; Zhu, Y; Su, LX; Zhang, QL; Xiang, R; Gui, XC; Wu, TZ; Cao, XZ; Zhang, P; Wang, BY; Tang, ZK;曹兴忠; 张鹏(正); Wang BY(王宝义)
刊名JOURNAL OF ALLOYS AND COMPOUNDS
2013
卷号577页码:179-182
关键词BeZnO alloys Oxide materials Crystal growth Oxygen vacancy Positron spectroscopies
学科分类Chemistry; Materials Science; Metallurgy & Metallurgical Engineering
DOI10.1016/j.jallcom.2013.04.174
英文摘要We report the suppression of oxygen vacancies (O-v) defects in BeO alloyed ZnO films. The alloy films are grown by plasma-assisted MBE on the sapphire substrates with a designed buffer layer. The decreased formation of O-v with the increase of Be content in BeZnO alloys is confirmed by the X-ray photoelectron spectroscopy and positron annihilation spectroscopy measurements. Hall measurements show a "V" curve of the electron concentration and a flip-over "V" curve of the electron mobility as a function of Be content. The turning points of both curves are for the samples prepared at T-Be = 960 degrees C. The turning points imply that there is a narrow growth window for optimum electrical properties of the BeZnO alloys, where the background electron density is almost one order of magnitude lower than the others, while the mobility is four times higher. The results on electrical properties are also supported by high-resolution XRD. (C) 2013 Elsevier B.V. All rights reserved.
收录类别SCI
WOS记录号WOS:000324082800029
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被引频次:10[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/311005/223884
专题中国科学院高能物理研究所_多学科研究中心_期刊论文
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Chen, MM,Zhu, Y,Su, LX,et al. Suppression of oxygen vacancies in Be alloyed ZnO[J]. JOURNAL OF ALLOYS AND COMPOUNDS,2013,577:179-182.
APA Chen, MM.,Zhu, Y.,Su, LX.,Zhang, QL.,Xiang, R.,...&王宝义.(2013).Suppression of oxygen vacancies in Be alloyed ZnO.JOURNAL OF ALLOYS AND COMPOUNDS,577,179-182.
MLA Chen, MM,et al."Suppression of oxygen vacancies in Be alloyed ZnO".JOURNAL OF ALLOYS AND COMPOUNDS 577(2013):179-182.
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