Oxygen polarity and interfacial atomic arrangement in an MgxZn1-xO/C-MgO/sapphire heterostructure
文献类型：期刊论文
| 作者 | He, X ; Gu, L ; Guo, SD ; Liu, ZL ; Yu, RC ; Mei, ZX ; Du, XL ; Liu, BG ; Ikuhara, Y ; Duan, XF |
| 刊名 | JOURNAL OF PHYSICS D-APPLIED PHYSICS
 |
| 出版日期 | 2013 |
| 卷号 | 46期号:14 |
| ISSN号 | 0022-3727 |
| 通讯作者 | Mei, ZX (reprint author), Chinese Acad Sci, Beijing Natl Lab Condensed Matter Phys, Inst Phys, Beijing 100190, Peoples R China. |
| 中文摘要 | Oxygen polarity and interfacial structure of an Mg0.55Zn0.45O/Mg0.17Zn0.83O/MgO/sapphire heterostructure were determined by electron energy-loss spectroscopy and aberration-corrected scanning transmission electron microscopy. It was found that O-polarity occurs by an uncommon mechanism in the MgxZn1-xO film with a 0.5 nm-thick compressively strained rocksalt MgO buffer; and that the similar to 18% lattice mismatch between Mg0.17Zn0.83O and sapphire is mostly accommodated by misfit dislocations at the Mg0.17Zn0.83O/MgO interface. Density functional theory calculations indicate that the MgO buffer strongly tends to manifest a rocksalt structure rather than wurtzite. Zn substitution of the topmost Mg atoms in the MgO buffer is likely to induce such O-polarity. |
| 资助信息 | Ministry of Science and Technology of China [2007CB936301, 2011CB302002, 2009CB929404]; National Science Foundation of China [11174348, 61076007] |
| 语种 | 英语 |
| 公开日期 | 2014-01-16 |
| 源URL | [http://ir.iphy.ac.cn/handle/311004/57310]  |
| 专题 | 物理研究所_物理所公开发表论文_物理所公开发表论文_期刊论文 |
| 推荐引用方式 GB/T 7714 | He, X,Gu, L,Guo, SD,et al. Oxygen polarity and interfacial atomic arrangement in an MgxZn1-xO/C-MgO/sapphire heterostructure[J]. JOURNAL OF PHYSICS D-APPLIED PHYSICS,2013,46(14). |
| APA | He, X.,Gu, L.,Guo, SD.,Liu, ZL.,Yu, RC.,...&Duan, XF.(2013).Oxygen polarity and interfacial atomic arrangement in an MgxZn1-xO/C-MgO/sapphire heterostructure.JOURNAL OF PHYSICS D-APPLIED PHYSICS,46(14). |
| MLA | He, X,et al."Oxygen polarity and interfacial atomic arrangement in an MgxZn1-xO/C-MgO/sapphire heterostructure".JOURNAL OF PHYSICS D-APPLIED PHYSICS 46.14(2013). |
入库方式： OAI收割
来源：物理研究所
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