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Tailoring of polar and nonpolar ZnO planes on MgO (001) substrates through molecular beam epitaxy
Zhou, H; Wang, HQ; Liao, XX; Zhang, YF; Zheng, JC; Wang, JO; Muhemmed, E; Qian, HJ; Ibrahim, K; Chen, XH; Zhan, HH; Kang, JY;王嘉鸥; Qian HJ(钱海杰); Kui RX(奎热西)
2012
发表期刊NANOSCALE RESEARCH LETTERS
卷号7页码:1-7
摘要Polar and nonpolar ZnO thin films were deposited on MgO (001) substrates under different deposition parameters using oxygen plasma-assisted molecular beam epitaxy (MBE). The orientations of ZnO thin films were investigated by in situ reflection high-energy electron diffraction and ex situ X-ray diffraction (XRD). The film roughness measured by atomic force microscopy evolved as a function of substrate temperature and was correlated with the grain sizes determined by XRD. Synchrotron-based X-ray absorption spectroscopy (XAS) was performed to study the conduction band structures of the ZnO films. The fine structures of the XAS spectra, which were consistent with the results of density functional theory calculation, indicated that the polar and nonpolar ZnO films had different electronic structures. Our work suggests that it is possible to vary ZnO film structures from polar to nonpolar using the MBE growth technique and hence tailoring the electronic structures of the ZnO films. PACS: 81; 81.05.Dz; 81.15.Hi.
关键词ZnO MgO polar nonpolar RHEED XRD XAS
学科领域Science & Technology - Other Topics; Materials Science; Physics
DOI10.1186/1556-276X-7-184
收录类别SCI
WOS记录号WOS:000302315700001
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被引频次:17[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/311005/223751
专题多学科研究中心
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GB/T 7714
Zhou, H,Wang, HQ,Liao, XX,et al. Tailoring of polar and nonpolar ZnO planes on MgO (001) substrates through molecular beam epitaxy[J]. NANOSCALE RESEARCH LETTERS,2012,7:1-7.
APA Zhou, H.,Wang, HQ.,Liao, XX.,Zhang, YF.,Zheng, JC.,...&奎热西.(2012).Tailoring of polar and nonpolar ZnO planes on MgO (001) substrates through molecular beam epitaxy.NANOSCALE RESEARCH LETTERS,7,1-7.
MLA Zhou, H,et al."Tailoring of polar and nonpolar ZnO planes on MgO (001) substrates through molecular beam epitaxy".NANOSCALE RESEARCH LETTERS 7(2012):1-7.
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