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Interfacial Properties of AlN/Si(111) Grown by Metal-Organic
Chemical Vapor Deposition |
XI Dong-Juan;ZHENG You-Dou;CHEN Peng;ZHAO Zuo-Ming;CHEN Ping;XIE Shi-Yong;JIANG Ruo-Lian;SHEN Bo;GU Shu-Lin;ZHANG Rong |
Department of Physics, Nanjing University, Nanjing 210093 |
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Cite this article: |
XI Dong-Juan, ZHENG You-Dou, CHEN Peng et al 2002 Chin. Phys. Lett. 19 543-545 |
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Abstract We have studied the interfacial structures of AlN/Si(111) grown by metal-organic 0chemical vapor deposition. X-ray photoelectron spectrum and Auger electron spectrum were employed to analyse the components and chemical structures of AlN/Si(111). The results indicated that a mix-crystal transition region, approximately 12nm, was present between AlN film and Si substrate and it was composed of AlN and Si3N4. After analysis we found the existence of Si3N4 could not be avoided in AlN/Si(111) interface because of strong diffusion at 1070°C. Even in AlN layer Si-N bonds, Si-Si bonds can be found.
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Keywords:
68.55.Jk
81.05.Ea
82.80.Pv
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Published: 01 April 2002
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PACS: |
68.55.Jk
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81.05.Ea
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(III-V semiconductors)
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82.80.Pv
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(Electron spectroscopy (X-ray photoelectron (XPS), Auger electron spectroscopy (AES), etc.))
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