Performance of borosilicate glass/Ba3(VO4)2 ceramic composites and chemical stability with Ag electrodes |
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| Affiliation: | 1. College of Materials Science and Engineering, Nanjing Tech University, Nanjing 211816, China;2. Jiangsu Collaborative Innovation Center for Advanced Inorganic Function Composites, Nanjing 211816, China;1. Federal University of Sao Carlos, Graduate Program in Materials Science and Engineering, Brazil;2. Materials Microstructure Engineering Group (GEMM), FIRE Associate Laboratory, Federal University of São Carlos, Materials Engineering Department, Rodovia Washington Luis, Km 235, São Carlos, SP, 13565-905, Brazil;3. College of Technology (FATEC), Jordão Borghetti Street 480, Sertãozinho, SP, 14160-050, Brazil;1. National Institute for Materials Science (NIMS), International Center for Materials Nanoarchitectonics (WPI-MANA) and Center for Functional Sensor & Actuator (CFSN), Namiki 1-1, Tsukuba, 305-0044, Japan;2. University of Tsukuba, Graduate School of Pure and Applied Sciences, 1-1-1 Tennoudai, Tsukuba, 305-8671, Japan;3. Faculty of Science and Engineering, Kokushikan University, 4-28-1 Setagaya, Setagaya-ku, Tokyo, 154-8515, Japan;4. New Industry Creation Hatchery Center, Tohoku University, Sendai, 980–8579, Japan;1. Sobolev Institute of Geology and Mineralogy, Siberian Branch of Russian Academy of Sciences, Novosibirsk, 630090, Russia;2. Novosibirsk State University, Novosibirsk, 630090, Russia;3. Novosibirsk State University of Architecture, Design and Arts (NSUADA), Novosibirsk, 630099, Russia;4. Vereshchagin Institute for High Pressure Physics, Russian Academy of Sciences, Troitsk, Moscow, 108840, Russia;5. Vernadsky Institute of Geochemistry and Analytical Chemistry of Russian Academу of Sciences, Moscow, 119334, Russia;6. Geodynamic Research Center, Ehime University, Matsuyama, 790-0826, Japan;1. Graduate School of Science and Engineering, Ibaraki University, Hitachi, Ibaraki, 316-8511, Japan;2. Institute of Multidisciplinary Research for Advanced Materials, Tohoku University, Sendai, Miyagi, 980-8577, Japan;3. Nuclear Energy Business Unit, IHI Corporation, Yokohama, Kanagawa, 235-8501, Japan |
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| Abstract: | In the present work, a systematic study on performance of borosilicate glass/Ba3(VO4)2 ceramic composites synthesized by the traditional solid-state reaction method was conducted. Borosilicate glass is beneficial for reducing the sintering temperature of glass/Ba3(VO4)2 ceramic composites below 900 °C due to the formation of a liquid phase. The ceramic composites with 35 %∼40 % Ba3(VO4)2 can effectively adjust the temperature coefficient of resonant frequency (τf) to approximately 0. The diffusion activation energy (QAg) increases from 113.92 kJ/mol to 185 kJ/mol, as Ba3(VO4)2 content increases from 0 to 40 % in the ceramic composites. A 0.65 borosilicate glass-0.35Ba3(VO4)2 ceramic composite possesses excellent properties including an εr of 8.66, Q × f value of 20,338 GHz, the largest volume resistivity of 5.1 × 1013 Ω·cm and a flexural strength of 259 MPa. Ag exists only in the zero-valence state in the ceramic composite, and Ba3(VO4)2 ceramic can block the diffusion channels and increase the barrier to the movement of Ag ions. |
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| Keywords: | Ceramic composites Dielectric properties Cofiring Chemical stability |
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