Materials Design for the Fabrication of Low-Resistivity p-Type GaN Usimg a Codoping Method
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概要
- 論文の詳細を見る
On the basis of band-theoretical investigation using the augmented-spherical-wave (ASW) method, we propose a valence-control method, the "codoping method", to fabricate low-resistivity p-type GaN materials. p-type dopants lead to an increase in the electrostatic energy in GaN materials. This gives rise to destabilization of ionic charge distributions due to a shift of N 2p levels towards higher energy regions, We clarified that codoping of n-type dopants, Si or 0 atoms, lead to a stable P>-type GaN:Mg atom material and investigated differences in the roles of Si and O on the fabrication of low-resistivity p-type GaN materials.
- 社団法人応用物理学会の論文
- 1997-02-15
著者
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Yamamoto Tetsuya
Department Of Chemical Engineering Graduate School Of Engineering Hiroshima University
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Katayama-yoshida Hiroshi
Department Of Computational Science Asahi Chemical Industry Co. Ltd.:presto Japan Science And Techno
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Katayama-yoshida Hiroshi
Department Of Condensed Matter Physics The Institute Of Scientific And Industrial Research Osaka Uni
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Yamamoto Tetsuya
Department Of Astronomy School Of Science The University Of Tokyo
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Yamamoto Tetsuya
Department Of Condensed Matter Physics The Institute Of Scientific And Industrial Research Osaka Uni
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Katayama-Yoshida Hiroshi
Department of Computational Nanomaterials Design, Nanoscience and Nanotechnology Center, The Institute of Scientific and Industrial Research (ISIR), Osaka University, 8-1 Mihogaoka, Ibaraki, Osaka 567-0047, Japan
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