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High Energy Density Dielectrics For Symmetric Blumleins, Wayne Huebner, Shi C. Zhang
High Energy Density Dielectrics For Symmetric Blumleins, Wayne Huebner, Shi C. Zhang
Materials Science and Engineering Faculty Research & Creative Works
Multilayer, tape cast ceramics are being developed for use in large area, high voltage devices in order to achieve high specific energy densities (>106 J/m3) and physical size reduction. In particular, symmetric Blumleins are desired with the following properties:
- High voltage hold off (≥ 300 kV)
- High, nondispersive permittivity: ≈100 to 900
- Ability to be fabricated into various shapes and sizes
- Surface flashover inhibition at the edge
- Ability to be triggered by surface flashover switching
The compositions being pursued are based on pure BaTiO3 dielectrics. Our approach is to add glass phase additions which result …