Formation of a Cr3+-rich luminescent thin phase along a grain boundary of α-Al2O3

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概要

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• An α-Al2O3 bicrystal doped with Cr3+ was fabricated by diffusion bonding at high temperatures. It was found that a ruby phase with approximately 200 nm thickness was formed along the grain boundary. This thin phase shows Cr3+:Al2O3-induced luminescence, confirmed by confocal micro-luminescence spectroscopy.

著者

• Hirao Kazuyuki

  Department Of Material Chemistry Graduate School Of Engineering Kyoto University

• IKUHARA Yuichi

  Institute of Engineering Innovation, University of Tokyo

• Shibata Naoya

  Institute Of Engineering Innovation School Of Engineering The University Of Tokyo

• TOCHIGI Eita

  Institute of Engineering Innovation, The University of Tokyo

• Ikuhara Yuichi

  Institute Of Engineering Innovation School Of Engineering The University Of Tokyo

• KEZUKA Yuki

  Institute of Engineering Innovation, The University of Tokyo

• MOON Chiwon

  Department of Material Chemistry, Graduate School of Engineering, Kyoto University

• KANEHIRA Shingo

  Society-Academia Collaboration for Innovation, Kyoto University

• IKUHARA Yuichi

  Institute of Engineering Innovation, The University of Tokyo

• IKUHARA Yuichi

  Institute of Engeering Innovation, School of Engineering, The University of Tokyo

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