Surface crystallization of stoichiometric glass with Bi2ZnB2O7 crystal using ultrasonic surface treatment followed by heat treatment

Surface crystallized glass-ceramics with nonlinear optical Bi2ZnB2O7 (BZB) crystals were prepared by ultrasonic surface treatment (UST) followed by crystallization heat treatment for stoichiometric glass with a composition of 33.3Bi2O3–33.3ZnO–33.3B2O3. According to the surface XRD measurements and...

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Bibliographic Details
Published in:Journal of the Ceramic Society of Japan 2012/11/01, Vol.120(1407), pp.509-512
Main Authors: KANENISHI, Keita, SAKIDA, Shinichi, BENINO, Yasuhiko, NANBA, Tokuro
Format: Article
Language:English
Subjects:
Bismuth zinc borate glass
Crystallization
Crystals
Glass
Glass ceramics
Heat treatment
Nonlinearity
Optical nonlinearity
Precipitation
Surface crystallization
Surface treatment
Ultrasonic surface treatment
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Summary:Surface crystallized glass-ceramics with nonlinear optical Bi2ZnB2O7 (BZB) crystals were prepared by ultrasonic surface treatment (UST) followed by crystallization heat treatment for stoichiometric glass with a composition of 33.3Bi2O3–33.3ZnO–33.3B2O3. According to the surface XRD measurements and microscopic observations, UST technique was found to be quite effective for lower temperature precipitation of BZB, indicating the ability of crystallization control of the target phase, such as phase selectivity, small size of precipitates, high orientation and their morphology. After the optimization of the process condition parameters for improving transparency and suppressing deformation of the sample, the effective optical nonlinearity of the transparent surface crystallized glass-ceramics was estimated as 0.7 pm/V.
ISSN:1882-0743
1348-6535
DOI:10.2109/jcersj2.120.509