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Product Name | Barium Titanate Powder |
Appearance | White Powder |
CAS | 12047-27-7 |
Grade Standard | Industrial Grade, Electron Grade |
Purity: | 99% |
1.The spontaneous polarization of barium titanate crystal
Barium titanate is a typical ferroelectric, so mention barium titanate, it must be mentioned the spontaneous polarization. Dielectric electric polarization process, in general, there are three (way), namely the electronic displacement polarization inherent electric moment, ion displacement polarization and turning-direction polarization. For barium titanate, after strictly calculated physicist, spontaneous polarization of batio3 contribution mainly comes from the Ti4 + ion displacement polarization and oxygen octahedral one of O2 - electronic displacement polarization.
2.The dielectric properties of barium titanate
Here main refers to the dielectric properties of barium titanate dielectric properties of barium titanate ceramics. Dielectric properties of barium titanate ceramics are basically similar to single crystal of batio3. But since ceramic is polycrystalline structure, grain size and grain boundary. Grain size and orientation, glass phase in the grain boundary and the presence of impurities, are directly affect the dielectric properties, make its and single crystal is different.
3.Application of batio3
Barium titanate ceramics is currently the most widely used and studied more thoroughly a ferroelectric material. Barium titanate is not the first hydrogen oxide ferroelectrics, due to its excellent performance, chemical, thermal stability is good. Barium titanate has high dielectric constant, low dielectric loss, excellent performance, widely used in multilayer ceramic capacitors, thermistors, photoelectric devices such as electronic components, is the most widely used in the electronics industry one of the ceramic material.
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