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Proceedings Paper

Growth and habit of lithium triborate crystal by flux pulling method
Author(s): Huicong Hong; Weizhuo Zhong; Zhiping Lu; Tiande Zhao; Sukun Hua
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Paper Abstract

High quality lithium triborate LiB3O5 (LBO) single crystals with dimension larger than (phi) 60 X 15 mm have been grown by the flux pulling method. It is found that higher rate of growth is available for LBO crystal grown by the flux pulling method as compared with the flux seeding method. The investigation of the viscosity of melt in the Li2O-B2O3 system indicates that the phenomenon of 'Boron Abnormality' has much influence on the viscosity of melt. Therefore, some ordinary metal oxides, such as alkali metal oxide and alkaline-earth metal oxide, could hardly be used as the optimal flux for LBO crystal growth. Some suitable compounds were proposed as the flux for the improvement of the LBO crystal growth due to the high viscosity of melt in the Li2O-B2O3 system. The habit of LBO crystal has been studied with different oriented seeds in different crystal growth conditions. Investigations of the defects in LBO crystal show that the defects have close relationship with the habit of the crystal. Some important crystallographic data are also linked.

Paper Details

Date Published: 21 July 1993
PDF: 8 pages
Proc. SPIE 1863, Growth, Characterization, and Applications of Laser Host and Nonlinear Crystals II, (21 July 1993); doi: 10.1117/12.149277
Show Author Affiliations
Huicong Hong, Shanghai Institute of Ceramics (China)
Weizhuo Zhong, Shanghai Institute of Ceramics (China)
Zhiping Lu, Shanghai Institute of Ceramics (China)
Tiande Zhao, Shanghai Institute of Ceramics (China)
Sukun Hua, Shanghai Institute of Ceramics (China)

Published in SPIE Proceedings Vol. 1863:
Growth, Characterization, and Applications of Laser Host and Nonlinear Crystals II
Bruce H. T. Chai, Editor(s)

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