Microstructure and dielectric response of (Ba,Sr)TiO3 filler-dispersed resin composites |
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| Authors: | Ken-ichi Kakimoto Jun Furuhashi Hidetoshi Ogawa Minoru Aki |
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| Affiliation: | 1. Department of Materials Science and Engineering, Graduate School of Engineering, Nagoya Institute of Technology, Gokiso-cho, Showa-ku, Nagoya 466-8555, Japan;2. Advanced Materials Laboratories, Otsuka Chemical Co., Ltd., 463 Kagasuno, Kawauchi-cho, Tokushima 771-0193, Japan;1. School of Optics and Electronic Information, Huazhong University of Science and Technology, Wuhan, Hubei 430074, China;2. School of Electrical and Electronic Engineering, Huazhong University of Science and Technology, Wuhan, Hubei 430074, China;1. State Key Laboratory Breeding Base of Nonferrous Metals and Specific Materials Processing, Guilin University of Technology, Guilin 541004, China;2. Key Laboratory of New Processing Technology for Nonferrous Metal and Materials, Ministry of Education, Guilin University of Technology, Guilin 541004, China;3. College of Material Science and Engineering, Guilin University of Technology, Guilin 541004, China;4. Laboratoire de sciences de l''Ingénieur pour l''Environment, avenue michel crépeau, 17042 La Rochelle Cédex 01, France;5. Guangxi New Future Information Industry Co., LTD, Beihai 536000, China;1. Department of Physics and Materials Science, Faculty of Science, Chiang Mai University, Chiang Mai 50200, Thailand;2. Graduate School, Chiang Mai University, Chiang Mai 50200, Thailand;3. Division of Applied Science and Biotechnology, Faculty of Agro-Industrial Technology, Rajamangala University of Technology Tawan-ok Chantaburi Campus, Chantaburi 22210, Thailand;4. Department of Chemistry, Faculty of Science, Chiang Mai University, Chiang Mai 50200, Thailand;5. School of Physics, Institute of Science, and NANOTEC-SUT Center of Excellence on Functional Nanomaterials, Suranaree University of Technology, Nakhon Ratchasima 30000, Thailand |
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| Abstract: | Resin-matrix composites dispersing low-loss dielectric ceramic filler have received a considerable interest for high-frequency application, because of their good shape flexibility and controllable dielectric properties. In this study, (Ba,Sr)TiO3-type ceramic particles have been synthesized by KCl molten salt method to serve as filler particle for resin-matrix dielectric composite. Dielectric measurement confirmed that the composite fabricated by tape-casting demonstrated two times higher dielectric constant of 50.4 than the other composites fabricated by direct-casting using a metal mold. Pore-size distribution as well as ceramic filler content was strongly correlated with the formation of electrical flux in the composites to enhance dielectric constant. |
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