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Growth of MgTa2O6 Single Crystals by Floating Zone Method and Their Optical Properties

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Title: Growth of MgTa2O6 Single Crystals by Floating Zone Method and Their Optical Properties
Other Titles: FZ法によるMgTaO6単結晶の育成とその光学的性質
Authors: HIGUCHI, Mikio1 Browse this author →KAKEN DB
ANDO, Kazuto2 Browse this author
TAKAHASHI, Junichi3 Browse this author
KODAIRA, Kohei4 Browse this author
Authors(alt): 樋口, 幹雄1
安藤, 和人2
高橋, 順一3
小平, 紘平4
Keywords: MgTa2O6 single crystal
Floating zone method
Refractive index
Issue Date: 1-Jan-1993
Publisher: Ceramic Society of Japan
Journal Title: Journal of the Ceramic Society of Japan
Journal Title(alt): 日本セラミックス協会学術論文誌
Volume: 101
Issue: 1169
Start Page: 118
End Page: 120
Publisher DOI: 10.2109/jcersj.101.118
Abstract: MgTa2O6 single crystals, which adopt trirutile structure, were successfully grown by a floating zone method, and their optical properties were invetigated. The as-grown crystals were black and opaque, but subsequent annealing in air from 1200° to 800°C rendered the crystals pale-yellow and transparent. The refractive indices for ordinary and extraordinary rays were 2.07 and 2.18 under white light, respectively, and the birefringence was 0.11. The interference figure observed with a polarizing microscope was typical one for an optically uniaxial crystal, which indicates that the crystal was optically uniform. Transmittance in the wavelength range of 500 to 2000nm was about 75%, which approximately corresponded to the theoretical value calculated from the refractive index. The absorption edge of MgTa2O6 was at 290nm.
Type: article
Appears in Collections:工学院・工学研究院 (Graduate School of Engineering / Faculty of Engineering) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 樋口 幹雄

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