Effect of the Molar Ratio of Potassium and Sodium on Dielectric Properties of Lithium-aluminosilicate Photosensitive Glass-ceramics
ZHANG Hao1, ZHU Yongchang1, CUI Zhu1, HAN Xu1, GENG Andong2
1 China Building Materials Academy, Beijing 100024, China; 2 School of Materials Science and Engineering, Southwest University of Science and Technology, Mianyang 621000, China
Abstract: As a new type substrate material of glass interposer, the dielectric properties of photosensitive glass-ceramics have become one of the key factors limiting their development. In this study, photosensitive glass-ceramics with different molar ratios of potassium to sodium were prepared by melting method. The effects of molar ratio of potassium to sodium on dielectric constant and dielectric loss of the samples were analyzed by means of network vector analyzer, Raman spectroscopy, infrared spectroscopy and X-ray diffraction. The results showed that the sample with 0 molar ratio of potassium to sodium (without K2O) had the lowest dielectric constant and dielectric loss, and the values were 5.0 and 4.9×10-3 (1 GHz), respectively. It suggested that increasing the substitution of Na2O for K2O could promote the glass structure more compact and reduce glass polarization, which would decrease the dielectric constant and loss of photosensitive glass-ceramics.
张浩, 朱永昌, 崔竹, 韩勖, 耿安东. 钾钠物质的量比对LAS光敏微晶玻璃介电性能的影响[J]. 材料导报, 2020, 34(6): 6020-6023.
ZHANG Hao, ZHU Yongchang, CUI Zhu, HAN Xu, GENG Andong. Effect of the Molar Ratio of Potassium and Sodium on Dielectric Properties of Lithium-aluminosilicate Photosensitive Glass-ceramics. Materials Reports, 2020, 34(6): 6020-6023.
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2020, Vol. 34 
