Presentation 2000/5/11
GaN growth on sapphire substrtates using Al buffer layer
K. Tanaka, K. Kuwahara, K. Ohtuka, M. Sumiya, Y. Takano, S. Fuke,
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Abstract(in English) Low-temperature buffer layers have been usually used for the growth of GaN on sapphire substrates by MOVPE. In this paper, GaN layers were grown using AlN/Al or Al buffer layers deposited at high-temperature, and surface morphology, crystallinity and residual strain of grown GaN layers were investigated. The mirror-like GaN layers with(0001)Ga plane were obtained, though crystallinty of GaN layers became worse slightly. It was indicated that GaN layer grew from the opening of Al dot-like structure and that high-temperature direct growth of GaN was expected by reducing the thickness of Al layers.
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Keyword(in English) GaN / MOVPE / sapphire substrates / Al buffer layer / crystallinity
Paper # ED2000-20, CPM2000-5, SDM2000-20
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Committee ED
Conference Date 2000/5/11(1days)
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Registration To Electron Devices (ED)
Language JPN
Title (in Japanese) (See Japanese page)
Sub Title (in Japanese) (See Japanese page)
Title (in English) GaN growth on sapphire substrtates using Al buffer layer
Sub Title (in English)
Keyword(1) GaN
Keyword(2) MOVPE
Keyword(3) sapphire substrates
Keyword(4) Al buffer layer
Keyword(5) crystallinity
1st Author's Name K. Tanaka
1st Author's Affiliation Department of Electrical and Electronic Engineering, Faculty of Engineering, Shizuoka University()
2nd Author's Name K. Kuwahara
2nd Author's Affiliation Department of Electrical and Electronic Engineering, Faculty of Engineering, Shizuoka University
3rd Author's Name K. Ohtuka
3rd Author's Affiliation Research and Development Division, Sanken Electric Co., Ltd.
4th Author's Name M. Sumiya
4th Author's Affiliation Department of Electrical and Electronic Engineering, Faculty of Engineering, Shizuoka University
5th Author's Name Y. Takano
5th Author's Affiliation Department of Electrical and Electronic Engineering, Faculty of Engineering, Shizuoka University
6th Author's Name S. Fuke
6th Author's Affiliation Department of Electrical and Electronic Engineering, Faculty of Engineering, Shizuoka University
Date 2000/5/11
Paper # ED2000-20, CPM2000-5, SDM2000-20
Volume (vol) vol.100
Number (no) 57
Page pp.pp.-
#Pages 6
Date of Issue