Affiliation:
1. Tohoku University
2. Nagaoka University of Technology
Abstract
Crystallization behavior of the fresnoite-type Ba2TiGe2O8 (BTG) with a large optical nonlinearity
has been examined in the BaO-TiO2-GeO2 glass thin film fabricated by a RF sputtering technique and
the corresponding glass (same composition of thin film, i.e., 28BaO-22TiO2-50GeO2). Both the glass
thin film and the corresponding glass were crystallized by the heat-treatment, keeping a good
transparency. Initial formation of BTG phase followed by the BaGe4O9 phase was confirmed in the
both glass samples. In addition, the BTG crystallites in the both glass samples indicated the preferential
(211) orientation. Crystallization behavior confirmed in this study was quite different from the previous
study about the 30BaO-15TiO2-55GeO2 glass.
Publisher
Trans Tech Publications, Ltd.
Subject
Mechanical Engineering,Mechanics of Materials,General Materials Science
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