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Stimulated surface crystallization of β–barium borate on glass due to ultrasonic treatment and second harmonic generation

Published online by Cambridge University Press:  31 January 2011

Yong Ding ,
Yoshinari Miura  and
Akiyoshi Osaka
Yong Ding
Affiliation:
Department of Environment Chemistry and Materials, Faculty of Environmental Science and Technology, Okayama University, 2–1–1 Tsushima Naka, Okayama-shi 700, Japan
Yoshinari Miura
Affiliation:
Department of Environment Chemistry and Materials, Faculty of Environmental Science and Technology, Okayama University, 2–1–1 Tsushima Naka, Okayama-shi 700, Japan
Akiyoshi Osaka
Affiliation:
Department of Bioengineering Science, Faculty of Engineering, Okayama University, 3–1–1 Tsushima Naka, Okayama-shi 700, Japan
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Abstract

A glass of 47.5BaO · 47.5B2O3 · 5Al2O3 (in mol%) having a shorter optical absorption edge (∼236 nm) and suitable glass formation was selected as the mother glass for studying the surface crystallization of β−BaB2O4 · β−BaB2O4 was not the main surface crystallized phase when only a conventional heat treatment was applied. Crystallization of β−BaB2O4 was stimulated due to ultrasonic surface treatment with an ethanol suspension of β−BaB2O4 particles and subsequent heat treatment. After the ultrasonic treatment, β−BaB2O4 was the main crystallized phase. Transparent and dense β−BaB2O4 thin films/glass showed second harmonic generation. The tensor components of the second-order nonlinear optical susceptibility were estimated.

Type
Articles
Information
Journal of Materials Research , Volume 11 , Issue 2 , February 1996 , pp. 495 - 502
Copyright
Copyright © Materials Research Society 1996

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References

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