Journal of the Ceramic Society of Japan
Online ISSN : 1348-6535
Print ISSN : 1882-0743
ISSN-L : 1348-6535
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Formation of a Cr3+-rich luminescent thin phase along a grain boundary of α-Al2O3
Yuki KEZUKAEita TOCHIGINaoya SHIBATAChiwon MOONShingo KANEHIRAKazuyuki HIRAOYuichi IKUHARA
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2011 Volume 119 Issue 1391 Pages 620-622

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Abstract

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.

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© 2011 The Ceramic Society of Japan
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