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The influence of BBZ glass on phase evolution, sintering behavior and dielectric properties of BaTi4O9ceramics
Ren, Haishen1,2; Xie, Tianyi1,3; Dang, Mingzhao1,2; Yao, Xiaogang1; Jiang, Shaohu1; Zhao, Xiangyu1; Lin, Huixing1; Luo, Lan1
2017
发表期刊Journal of Materials Science: Materials in Electronics
ISSN09574522
卷号28期号:24页码:19090-19097
摘要A low temperature co-fired ceramic (LTCC) material has been fabricated by mixing BaTi4O9ceramic powder with a BaO–B2O3–ZnO (BBZ) glass and sintering the mixture at 925 °C/2 h. The influence of the BBZ glass on sintering behavior, phase evolution, microstructure and microwave dielectric properties of the BaTi4O9-based LTCC material has been investigated. The results show that the BBZ glass can significantly lower the sintering temperature of the BaTi4O9ceramics from 1350 °C to below 950 °C. The XRD patterns exhibit that remarkable chemical reactions happen between BaTi4O9and the BBZ glass during sintering, forming two new phases BaTi(BO3)2and Ba4Ti13O30in the material. As BBZ glass is increased from 5 to 30 wt%, BaTi(BO3)2phase gradually dominates the material and BaTi4O9decreases and almost disappears at the end. At the same time, the dielectric constant decreases from 33 to 25, the temperature coefficient of resonant frequency decreases from +25.44 to −3.19 ppm/°C, and the quality factor firstly increases and then decreases with the peak value of 29500 GHz. The changes of the dielectric properties with the BBZ glass content are correlated with the phase evolution of the material during sintering. Typically, the BaTi4O9-based ceramics with 25 wt% BBZ glass sintered at 925 °C for 2 h displays excellent comprehensive properties with a maximum density of 4.33 g/cm3, the dielectric constant of 27.08, quality factor of 29,500 GHz and temperature coefficient of resonant frequency of +3.5 ppm/°C. In addition, the good chemical compatibility of this material with Ag electrode makes it a potential candidate for LTCC technology. © 2017, Springer Science+Business Media, LLC.
DOI10.1007/s10854-017-7863-9
EI入藏号20173704145204
EI主题词Barium compounds
EI分类号641.1 Thermodynamics - 804.2 Inorganic Compounds - 812.1 Ceramics - 812.3 Glass - 931.2 Physical Properties of Gases, Liquids and Solids
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文献类型期刊论文
条目标识符http://ir.sic.ac.cn/handle/331005/25906
专题中国科学院上海硅酸盐研究所
作者单位1.Key Laboratory of Inorganic Functional Material and Device, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai; 200050, China;
2.University of Chinese Academy of Sciences, Beijing; 100049, China;
3.Department of Materials, Chongqing University of Technology, Chongqing; 400050, China
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Ren, Haishen,Xie, Tianyi,Dang, Mingzhao,et al. The influence of BBZ glass on phase evolution, sintering behavior and dielectric properties of BaTi4O9ceramics[J]. Journal of Materials Science: Materials in Electronics,2017,28(24):19090-19097.
APA Ren, Haishen.,Xie, Tianyi.,Dang, Mingzhao.,Yao, Xiaogang.,Jiang, Shaohu.,...&Luo, Lan.(2017).The influence of BBZ glass on phase evolution, sintering behavior and dielectric properties of BaTi4O9ceramics.Journal of Materials Science: Materials in Electronics,28(24),19090-19097.
MLA Ren, Haishen,et al."The influence of BBZ glass on phase evolution, sintering behavior and dielectric properties of BaTi4O9ceramics".Journal of Materials Science: Materials in Electronics 28.24(2017):19090-19097.
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