| Journal: | Brazilian journal of physics |
| Database: | PERIÓDICA |
| System number: | 000330196 |
| ISSN: | 0103-9733 |
| Authors: | Wei Li1 Zhijun Xu1 Ruiqing Chu1 Peng Fu1 Guozhong Zang1 |
| Institutions: | 1Liaocheng Place Type University, College of Materials Science and Engineering, Liaocheng. China |
| Year: | 2010 |
| Season: | Sep |
| Volumen: | 40 |
| Number: | 3 |
| Pages: | 353-356 |
| Country: | Brasil |
| Language: | Inglés |
| Document type: | Artículo |
| Approach: | Analítico, descriptivo |
| English abstract | Lead-free ceramics Ba(ZrxTi1–x)O3 (x = 0.02-0.2) were prepared using a solid-state reaction technique. The structural and electrical properties were systemically investigated. Crystalline structures and microstructures were analyzed by X-ray diffraction and scanning electron microscope (SEM) at room temperature. All the samples possess pure perovskite structure. A small amount of Zr content has great effect on the microstructure of Ba(ZrxTi1–x)O3 ceramics. The homogeneous microstructure with grain size about 30µm is obtained for the sample at x = 0.05. The phase transitions merge together in one peak for the samples at x = 0.10 and the highest dielectric constant 15900 is obtained for the sample at x = 0.15. The Ba(ZrxTi1–x)O3 ceramics at x=0.05 exhibit excellent piezoelectric properties of high d33 = 208 pC/N, kp = 31.5% and Qm = 500 |
| Disciplines: | Física y astronomía, Química |
| Keyword: | Física de materia condensada, Termodinámica y física estadística, Fisicoquímica y química teórica, Cerámica, Microestructuras, Propiedades dieléctricas, Propiedades piezoeléctricas |
| Keyword: | Physics and astronomy, Chemistry, Condensed matter physics, Thermodynamics and statistical physics, Physical and theoretical chemistry, Ceramics, Microstructures, Dielectric properties, Piezoelectric properties |
| Full text: | Texto completo (Ver HTML) |
