Varistors made from TiO2 — Practicability and limits
✍ Scribed by Justus Pennewiss; Bernd Hoffmann
- Book ID
- 119124467
- Publisher
- Elsevier Science
- Year
- 1990
- Tongue
- English
- Weight
- 666 KB
- Volume
- 9
- Category
- Article
- ISSN
- 0167-577X
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The non-linear current (I)-voltage (V) characteristics of titanium dioxide doped with small quantities of tantalum and barium (99.9 TiO 2 + 0.1 Ta and 99.4 TiO 2 + 0.1 Ta + 0.5 Ba, all are in at.%) were investigated. These samples have the non-linear coefficient (α) values of (20-30) with high break
Ca, Ta)-doped TiO 2 varistors with high nonlinear coefficients were obtained by ceramic sintering process. The nonlinear electrical and dielectric properties of the samples doped with 1.0 mol% Ca and different concentrations of Ta (0.05-2.0 mol%) were investigated. Especially, the effects of Ta dopa