Modification of Ba6-3xSm8+2xTi18O54 (x=2/3)Microwave Dielectric Ceramics by Nd/Bi Co-Substitution on A-Site |
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| Journal | Key Engineering Materials (Volumes 280 - 283) |
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| Volume | High-Performance Ceramics III |
| Edited by | Wei Pan, Jianghong Gong, Chang-Chun Ge and Jing-Feng Li |
| Pages | 57-60 |
| DOI | 10.4028/www.scientific.net/KEM.280-283.57 |
| Citation | N. Qin et al., 2007, Key Engineering Materials, 280-283, 57 |
| Online since | February, 2007 |
| Authors | N. Qin, X.M. Chen |
| Keywords | Ba6-3xSm8+2xTi18O54, Co-Substitution, Microstructure, Microwave Dielectric |
| Abstract | Ba6-3xSm8+2xTi18O54 microwave dielectric ceramics were modified by Nd/Bi co-substitution for Sm on A-site. According to XRD and SEM analysis, a single-phase solid solution with new tungsten bronze-type structure was formed in low-Bi-substituted region. Bi was effective on increasing dielectric constant, while led to a decreased Qf value and an increased negative tf. The co-substituting approach exhibited the advantage in improving e and compensating Qf and tf value. |
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