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In2O3: differences in the chemical and physical behaviour of single crystals, ceramics and fine powders

โœ Scribed by G. Behr; J. Werner; S. Oswald; G. Krabbes; P. Dordor; D. Elefant; W. Pitschke

Publisher
Elsevier Science
Year
1997
Tongue
English
Weight
418 KB
Volume
101-103
Category
Article
ISSN
0167-2738

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โœฆ Synopsis

The chemical properties and electrical transport properties of SnO, doped In,O, (ITO) and their differences between single crystals prepared by chemical vapour transport, fine powders (150...200 nm particle size) and weakly sintered ceramics (1 lOO"C, 24h, about 50% of theoretical density) were reported. In single crystals the minimal resistivity is found at the solubility limit of SnO, (8.2 mol%), whereas in ceramics and fine powders a minimum occurs at lower concentrations which is connected with a strong surface segregation of SnOx.

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