Melt growth of (Tb,Lu)3Al5O12 mixed garnet fiber crystals

被引：43

作者：

Chani, VI

Yoshikawa, A

Machida, H

Fukuda, T

机构：

[1] Tohoku Univ, Inst Mat Res, Fukuda Lab, Aoba Ku, Sendai, Miyagi 9808577, Japan

[2] Tokin Co, Shiroishi, Miyagi 9890223, Japan

来源：

JOURNAL OF CRYSTAL GROWTH | 2000年 / 212卷 / 3-4期

关键词：

terbium-aluminum garnet; lutetium-aluminum garnet; substitution; fiber; Faraday rotator; micro-pulling-down method; mixed crystal;

D O I：

10.1016/S0022-0248(00)00021-X

中图分类号：

O7 [晶体学];

学科分类号：

0702 ; 070205 ; 0703 ; 080501 ;

摘要：

The substitution phenomenon in the (Tb,Lu)(3)Al5O12 mixed garnet crystals have been studied by solidification of corresponding stoichiometric melts using micro-pulling-down apparatus. By substitution of Tb3+ with Lu3+, th, tendency of TbAlO3 perovskite phase formation in undoped Tb3Al5O12 decreases. Although growth of mixed crystals in general does not allow uniform distribution of constituents in the resulting material, the invariant point was found to exist in the system studied in the vicinity of Tb2.2Lu0.8Al5O12 composition. Thus, the uniform single-crystal fibers of the above materials up to 500 mm in length and about 1.3 mm in diameter were produced at a pulling-down rate of 1.2 mm/min. (C) 2000 Elsevier Science B.V. All rights reserved.

引用

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页码：469 / 475

页数：7

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