| Effect of reaction sintering process on the microwave dielectric properties of Ba2Ti9O20 materials | |
|---|---|
| 學年 | 98 |
| 學期 | 1 |
| 出版（發表）日期 | 2010-01-01 |
| 作品名稱 | Effect of reaction sintering process on the microwave dielectric properties of Ba2Ti9O20 materials |
| 作品名稱（其他語言） | |
| 著者 | Lin, I-Nnan; Chang, Chi-Ben; Leou, Keh-Chyang; Cheng, Hsiu-Fung |
| 單位 | 淡江大學物理學系 |
| 出版者 | London: Elsevier Ltd |
| 著錄名稱、卷期、頁數 | Journal of the European Ceramic Society 30(2), pp.159–163 |
| 摘要 | The pre-reaction step, which is the holding time at 1000°C in reaction-sintering process, was observed to influence the characteristics of the Ba2Ti9O20 materials profoundly. For the materials possessing high sintered density and of pure Hollandite-like structure, the uniformity of granular structure is the prime factor, altering the microwave dielectric properties of the samples. Utilizing the BaTi4O9 + BaTi5O11 mixtures to replace for the 2BaTiO3 + 7TiO2 ones pronouncedly improved the uniformity of the microstructure and thus markedly increased the Q × f-value for the Ba2Ti9O20 materials. The possible explanation for such a phenomenon is that the B-series mixture forms the Ba2Ti9O20 Hollandite-like phase in a simpler way and results in more uniform microstructure then the A-series mixture. The microwave properties of B-series materials are superior to those of A-series ones, achieving K = 38.2 and Q × f-value = 36,000 GHz for the samples, which were pre-reacted at 1000°C for 6 h and were sintered at 1410°C for 4 h by reaction-sintering processes. |
| 關鍵字 | Reaction sintering; Microwave dielectric properties; Ba2Ti9O20 materials |
| 語言 | en |
| ISSN | 0955-2219 |
| 期刊性質 | 國外 |
| 收錄於 | SCI |
| 產學合作 | |
| 通訊作者 | |
| 審稿制度 | |
| 國別 | GBR |
| 公開徵稿 | |
| 出版型式 | 紙本 |
| 相關連結 |
機構典藏連結 ( http://tkuir.lib.tku.edu.tw:8080/dspace/handle/987654321/58291 ) |
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