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The influence of stoichiometry on electrical properties of strontium titanate

✍ Scribed by Stanisław Komornicki; Stanisław Koziński; Barbara Mirek; Mieczysław Rȩkas

Publisher
Elsevier Science
Year
1990
Tongue
English
Weight
390 KB
Volume
42
Category
Article
ISSN
0167-2738

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Electrical properties of bismuth-doped n
Electrical properties of bismuth-doped non-stoichiometric strontium titanate ceramics
✍ A.M.S. Correia; J.L. Baptista 📂 Article 📅 1989 🏛 Elsevier Science 🌐 English ⚖ 349 KB

Pure and Bi-doped samples of SrTiO: with Sr/Ti ratios ranging from 0.980 to 1.010 were sintered in air at 1500 °C. Grain growth was promoted in the non-stoichiometric bismuth-doped compositions. Unlike the non-doped samples which were ohmic insulators, bismuth-containing specimens showed non-ohmic b