Crystallization and glass formation in 50Li(2)O center dot 50Nb(2)O(5) and 25Li(2)O center dot 25Nb(2)O(5)center dot 50SiO(2)

Zeng HC; Tanaka K; Hirao K; Soga N

首页> 外文期刊>Journal of Non-Crystalline Solids: A Journal Devoted to Oxide, Halide, Chalcogenide and Metallic Glasses, Amorphous Semiconductors, Non-Crystalline Films, Glass-Ceramics and Glassy Composites >Crystallization and glass formation in 50Li(2)O center dot 50Nb(2)O(5) and 25Li(2)O center dot 25Nb(2)O(5)center dot 50SiO(2)

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Crystallization and glass formation in 50Li(2)O center dot 50Nb(2)O(5) and 25Li(2)O center dot 25Nb(2)O(5)center dot 50SiO(2)

机译：50Li（2）O中心点50Nb（2）O（5）和25Li（2）O中心点25Nb（2）O（5）中心点50SiO（2）中的结晶和玻璃形成

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Quenching of 50Li(2)O . 50Nb(2)O(5) melt was investigated with X-ray diffraction (XRD) and surface morphological analysis, Glass formation of 25Li(2)O . 25Nb(2)O(5) . 50SiO(2) and devitrification of LiNbO3 from the 25Li(2)O . 25Nb(2)O(5) . 50SiO(2) glass system were studied using DTA, XRD and electrolysis techniques, High quench rate yields smaller crystal grain size, lower crystallinity and mon LiNbO3 crystal dendritic growth than the slow quenching. Three-fold symmetry was observed and a preferred crystallographic orientation of [0001] was confirmed for the quenched surfaces of LiNbO3. High Li+ mobility was observed in 25Li(2)O . 25Nb(2)O(5) . 50SiO(2) glass. By firing the 25Li(2)O . 25Nb(2)O(5) . 50SiO(2) at 800 degrees C, glass ceramics of LiNbO3-SiO2 can be prepared.

机译：50Li（2）O的淬火。用X射线衍射（XRD）和表面形态分析，25Li（2）O的玻璃形成研究了50Nb（2）O（5）熔体。 25Nb（2）O（5）。 50SiO（2）和LiNbO3从25Li（2）O的失透。 25Nb（2）O（5）。使用DTA，XRD和电解技术研究了50SiO（2）玻璃系统，与缓慢淬灭相比，高淬灭速率可产生较小的晶粒尺寸，较低的结晶度和mon LiNbO3晶体树枝状生长。观察到三重对称性，并且证实了LiNbO 3淬火表面的优选晶体学取向为[0001]。在25Li（2）O中观察到高的Li +迁移率。 25Nb（2）O（5）。 50SiO（2）玻璃。通过烧制25Li（2）O。 25Nb（2）O（5）。在800摄氏度下使用50SiO（2），可以制备LiNbO3-SiO2的玻璃陶瓷。

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《Journal of Non-Crystalline Solids: A Journal Devoted to Oxide, Halide, Chalcogenide and Metallic Glasses, Amorphous Semiconductors, Non-Crystalline Films, Glass-Ceramics and Glassy Composites》 |1997年第2期|共10页
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Zeng HC; Tanaka K; Hirao K; Soga N;
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中图分类晶体学;
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QUENCHED METASTABLE GLASSY; SINGLE-CRYSTAL FIBERS; LITHIUM-NIOBATE; LINBO3 CRYSTALS; THIN-FILMS; GROWTH; MELTS; SILICA; PHASES;

机译：淬火的亚稳态玻璃;单晶纤维;铌酸锂;LINBO3晶体;薄膜;生长;熔体;二氧化硅;相;

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Crystallization and glass formation in 50Li(2)O center dot 50Nb(2)O(5) and 25Li(2)O center dot 25Nb(2)O(5)center dot 50SiO(2)

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