Composition dependence of crystallization behavior in binary germanium-phosphate glasses

IF 3.2 3区材料科学 Q1 MATERIALS SCIENCE, CERAMICS

Journal of Non-crystalline Solids Pub Date : 2024-12-11 DOI:10.1016/j.jnoncrysol.2024.123366

Xiaoyu Hu , Lingjun Zhou , Chenhao Yang , Senlong Zhao , Muzhi Cai , Mengmeng Meng , Ang Qiao , Laurent Calvez , Hongli Ma , Shiqing Xu , Xianghua Zhang

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引用次数: 0

Abstract

GeO₂-P₂O₅ glass systems are crucial for the fabrication of fibers used in the various applications including mid-infrared lasers and amplifiers. In addition to purification challenges, localized crystallization and domain structural ordering are primary obstacles in reducing loss in GeO₂-P₂O₅ glass system. In this work, the crystallization behavior of the binary GeO₂-P₂O₅ glasses were investigated by using calorimetric method, and subsequently, the non-isothermal crystallization kinetics parameters were derived by using an Avrami-based equation modified by KAZUMASA MATUSITA. It was found that increasing the P₂O₅ content leads to a transition from surface crystallization to bulk crystallization. Structural characterization revealed that the evolution of phosphate-oxide units could be highly relevant to the resistance to crystallization of the glasses, whereas changes in the degree of polymerization could affect the crystallization mode. This work has significant implications for developing low-loss fibers and enhancing their optical properties.

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来源期刊

Journal of Non-crystalline Solids 工程技术-材料科学：硅酸盐

CiteScore

6.50

自引率

11.40%

发文量

576

审稿时长

35 days

期刊介绍： The Journal of Non-Crystalline Solids publishes review articles, research papers, and Letters to the Editor on amorphous and glassy materials, including inorganic, organic, polymeric, hybrid and metallic systems. Papers on partially glassy materials, such as glass-ceramics and glass-matrix composites, and papers involving the liquid state are also included in so far as the properties of the liquid are relevant for the formation of the solid. In all cases the papers must demonstrate both novelty and importance to the field, by way of significant advances in understanding or application of non-crystalline solids; in the case of Letters, a compelling case must also be made for expedited handling.