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Grain boundary character dependence of oxygen grain boundary diffusion in α-Al2O3 bicrystals

✍ Scribed by Tsubasa Nakagawa; Hitoshi Nishimura; Isao Sakaguchi; Naoya Shibata; Katsuyuki Matsunaga; Takahisa Yamamoto; Yuichi Ikuhara

Book ID
113899095
Publisher
Elsevier Science
Year
2011
Tongue
English
Weight
481 KB
Volume
65
Category
Article
ISSN
1359-6462

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Yttrium doping effect on oxygen grain bo
Yttrium doping effect on oxygen grain boundary diffusion in α-Al2O3
✍ Tsubasa Nakagawa; Isao Sakaguchi; Naoya Shibata; Katsuyuki Matsunaga; Teruyasu M 📂 Article 📅 2007 🏛 Elsevier Science 🌐 English ⚖ 534 KB

The yttrium doping effect on grain boundary diffusion was directly estimated using bicrystal experiments. For this purpose, pristine and yttrium-doped a-Al 2 O 3 bicrystals with the same geometrical configuration were fabricated. The grain boundary oxygen diffusion coefficients were measured by the