Synthesis of (1 − x)Ca2/5Sm2/5TiO3-xLi1/2Nd1/2TiO3 ceramic powder via ethylenediaminetetraacetic acid precursor |
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| Authors: | Guohua Huang Dongxiang Zhou Zhiping Zheng |
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| Affiliation: | a Department of Electronic Science and Technology, Huazhong University of Science and Technology, Hubei, Wuhan 430074, China
b Department of Physics and Electronic Information Science, Guangxi Teachers Education University, Guangxi, Nanning 530001, China |
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| Abstract: | (1 − x)Ca2/5Sm2/5TiO3-xLi1/2Nd1/2TiO3 (CSLNT) ceramic powder was prepared by a liquid mixing method using ethylenediaminetetraacetic acid (EDTA) as the chelating agent. TG, DTA, XRD and TEM characterized the precursors and derived oxide powders. When x = 0.3, perovskite CSLNT was synthesized at 1000 °C for 3 h in air. The CSLNT (x = 0.3) ceramics sintered at 1200 °C for 3 h show excellent microwave dielectric properties of ?r = 99, Qf = 6200 GHz and τf = 9 × 10−6 °C−1. |
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| Keywords: | A Ceramics A Oxides B Chemical synthesis D Dielectric properties |
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