Distribution and Solubility Limit of Al in Al2O3-Doped ZnO Sintered Body
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概要
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A few mol% Al2O3-doped ZnO sintered body forms a substitutional solid solution and the semi-conducting property is drastically affected by the content of the dissolved Al. It was suggested from the results of XRD and EPMA that Al existed in the ZnO sintered body in the form of ZnAl2O4. Furthermore, the distribution of ZnAl2O4 was visualized by AFM and SEM. It was, however, difficult for these techniques to detect dissolved Al in ZnO grains directly. The SIMS mapping suggested that the trace amount of Al (approximately 0.3 atomic%) dissolved into ZnO grains because of high sensitivity for trace impurities. This result was consistent with the change in lattice constants of ZnO with Al dissolution.
- 社団法人 日本セラミックス協会の論文
著者
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Hotta Mikinori
Multi-functional Materials Science Division Institute For Materials Research Tohoku University
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Enomoto Naoya
Department Of Applied Chemistry Faculty Of Engineering Kyushu University
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Ohkusa Takahiro
Ube Scientific Analysis Laboratory Inc.
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Hojo Junichi
Department Chemistry & Biochemistry, Graduate School of Engineering, Kyushu University
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Shirouzu Keita
UBE Scientific Analysis Laboratory, Inc., Minato, Tokyo 105-6791, Japan
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OHKUSA Takahiro
UBE Scientific Analysis Laboratory
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SHIROUZU Keita
UBE Scientific Analysis Laboratory
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