Simultaneous Diffusion of Oxygen Tracer and Lithium Impurity in Aluminum Doped Zinc Oxide
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概要
- 論文の詳細を見る
Aluminum-doped zinc oxide ceramics were used to study oxygen self-diffusion by the vapor--solid exchange method. The diffusion profile and the quantitative analysis of impurities (H, Li, and Al) were performed by secondary ion mass spectrometry. The concentrations of Al and H in ZnO were evaluated to be 3.2\times 10^{19} and below 1.5\times 10^{17}/cm3, respectively. The simultaneous diffusion of oxygen tracer and Li impurity were detected in the analysis, and the diffusion profiles were analyzed to evaluate the diffusion coefficients. Enhanced oxygen diffusivity and increased Li impurity concentration was obtained in Al-doped ZnO. We discuss the defect equations for enhancing oxygen diffusivity and increasing Li concentration in Al-doped ZnO.
- Published by the Japan Society of Applied Physics through the Institute of Pure and Applied Physicsの論文
- 2011-12-25
著者
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OHASHI Naoki
National Institute for Material Science
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Haneda Hajime
National Institute For Material Science
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Adachi Yutaka
National Inst. For Materials Sci.
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Sakaguchi Isao
National Inst. Materials Sci. Ibaraki Jpn
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Ohgaki Takeshi
National Inst. For Materials Sci.
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WATANABE Ken
National Institute for Materials Science
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Ohgaki Takeshi
National Institute for Materials Science, Tsukuba, Ibaraki 305-0044, Japan
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Ohashi Naoki
National Institute for Materials Science, Tsukuba, Ibaraki 305-0044, Japan
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Hishita Shunichi
National Institute for Materials Science, Tsukuba, Ibaraki 305-0044, Japan
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Sakaguchi Isao
National Institute for Materials Science, Tsukuba, Ibaraki 305-0044, Japan
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