| Autor: |
G. D. Saraiva, R. C. S. Costa, A. D. S. Bruno Costa, M. A. S. da Silva, Antonio Sergio Bezerra Sombra, F. W. de O. Amarante, T. S. M. Fernandes |
| Rok vydání: |
2011 |
| Předmět: |
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| Zdroj: |
2011 SBMO/IEEE MTT-S International Microwave and Optoelectronics Conference (IMOC 2011). |
| DOI: |
10.1109/imoc.2011.6169266 |
| Popis: |
Modified CaTiO 3 (CTO) ceramics were prepared by the conventional solid-state method. The samples belong to the Pbnm spatial group, showing an orthorhombic structure. The microwave dielectric properties of the Ca[(Li 1/3 Nb 2/3 ) x Ti 1−x ]O 3−δ for ball-milled samples with ratio of 2.4 balls/g, which were calcinated at 900°C (during 5h) and sintered at 1000°C (during 3h) were investigated. The dielectric permittivity decreased with the decreasing of titanium amount. A decrease in the temperature coefficient in resonant frequency (τ f ) was observed with the increase of the X value. |
| Databáze: |
OpenAIRE |
| Externí odkaz: |
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