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Complex impedance analyses of n-BaTiO3 ceramics showing positive temperature coefficient of resistance

✍ Scribed by N. S HARI; P PADMINI; T. R. N KUTTY


Book ID
110373104
Publisher
Springer US
Year
1997
Tongue
English
Weight
707 KB
Volume
8
Category
Article
ISSN
0957-4522

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Bi 3+ ions substituting at Ba-sites in a limited concentration range with another donor dopant occupying the Ti-sites in polycrystalline BaTiOa enhanced the positive temperature coefficient of resistance (PTCR) by over seven orders of magnitude. These ceramics did not require normal post sinter anne