Transparent glass-ceramics achieved by inward orientational growth of single crystals

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

Journal of Non-crystalline Solids Pub Date : 2025-03-17 DOI:10.1016/j.jnoncrysol.2025.123505

Qingshuang Zheng , Lu Deng , Feimei Wang , Ang Qiao , Haizheng Tao , Yuanzheng Yue

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引用次数: 0

Abstract

It is known that surface crystallization usually lowers the transparency of oxide glasses. Here, we report a different scenario, where high transparency can be realized in surface-crystallized oxide glasses by proper composition design and optimized control over thermal treatment. Specifically, the composition of the glass system is designed as ZnO⋅Al₂O₃⋅2.5SiO₂ (molar ratio). The derived glass is subjected to an optimized heat-treatment protocol, which is determined through calorimetric measurements. The mechanism of the underlying surface crystallization is unraveled through morphological and kinetic analyses. The crystals in the surface layer are characterized as micrometer-sized single crystalline rods, identified as Zn-β quartz solid solution, which grow inward. The high transparency of the derived glass ceramics is attributed to the orientation of crystalline rods. This work offers a new way for the design and fabrication of transparent glass-ceramics with excellent optical performances.

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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.