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- Title
Extremely High Tunability of Low Dielectric Constant 1-3 Type ( Ba, Sr) TiO<sub>3</sub>/Resin Epoxy.
- Authors
Liang, Ruihong; Liao, Wanfang; Wu, Junwei; Cao, Fei; Dong, Xianlin; Cole, M. W.
- Abstract
A 1-3 type ( Ba, Sr) TiO3 ( BST)/resin epoxy composites were prepared by dice and fill technique. The microstructure, dielectric, and tunable properties of columnar composites were investigated. An important feature of 1-3 type composites is that the dc field is efficiently applied to the high-permittivity ferroelectric phase. With the increase of resin epoxy content, the tunability of the composite remains nearly unchanged while the permittivity decreases much. The coefficient of dielectric nonlinearity β increases sharply with the increase of resin epoxy volume and β increases up to 2.8 × 1012 when the resin epoxy volume is 90%. These properties make 1-3 type composites very promising for potential tunable device applications.
- Publication
Journal of the American Ceramic Society, 2012, Vol 95, Issue 7, p2120
- ISSN
0002-7820
- Publication type
Article
- DOI
10.1111/j.1551-2916.2012.05264.x