Method for producing zinc oxide single crystal
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United States of America Patent
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Nov 14, 2017
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Aug 7, 2014
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Mar 13, 2012
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Abstract
The present invention provides a method capable of stably producing a zinc oxide single crystal in which a large amount of dopant forms a solid solution at a high level of productivity and reproducibility without using a harmful substance. The method of the present invention comprises providing a raw material powder that is mainly composed of zinc oxide, comprises at least one dopant element selected from B, Al, Ga, In, C, F, Cl, Br, I, H, Li, Na, K, N, P, As, Cu, and Ag in a total amount of 0.01 to 1 at %, and is substantially free of a crystal phase other than zinc oxide, and injecting the raw material powder to form a film mainly composed of zinc oxide on a seed substrate comprising a zinc oxide single crystal and also to crystallize the formed film in a solid phase state.
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