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16 March 2023 Crucible free growth of oxide crystals (Conference Presentation)
Kei Kamada, Tomida Taketoshi, Isao Takahashi, Vladimir Kochurikhin, Yasuhiro Shoji, Koichi Kakimoto, Akira Yoshikawa
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Proceedings Volume PC12422, Oxide-based Materials and Devices XIV; PC124220B (2023) https://doi.org/10.1117/12.2661976
Event: SPIE OPTO, 2023, San Francisco, California, United States
Abstract
In this study, we proposed a new crucible-free crystal growth method, oxide crystal growth from cold crucible (OCCC) method, and attempted to grow oxide single crystals such β-Ga2O3, Gd3Ga3Al2O12 and Y2O3 under a high oxygen partial pressure atmosphere. In the OCCC method, as in the cold crucible method, high frequency is applied directly to the oxide melts. The convection of the melt can be controlled by optimizing the frequency value according to the electric resistivity of the melts, and stable crystal growth through the process from seeding to crystal diameter expansion is a major feature of this method.
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Kei Kamada, Tomida Taketoshi, Isao Takahashi, Vladimir Kochurikhin, Yasuhiro Shoji, Koichi Kakimoto, and Akira Yoshikawa "Crucible free growth of oxide crystals (Conference Presentation)", Proc. SPIE PC12422, Oxide-based Materials and Devices XIV, PC124220B (16 March 2023); https://doi.org/10.1117/12.2661976
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KEYWORDS
Crystals
Oxides
Crystallography
Oxygen
Convection
Metals
Raw materials
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