Properties of mixed oxides based on neodymium chromite in oxidizing and reducing atmospheres

Authors
Zemtsov, VI Anikina, EL Antonov, BD
Citation
Vi. Zemtsov et al., Properties of mixed oxides based on neodymium chromite in oxidizing and reducing atmospheres, INORG MATER, 35(1), 1999, pp. 60-63
Citations number
13
Categorie Soggetti
Apllied Physucs/Condensed Matter/Materiales Science
Journal title
INORGANIC MATERIALS
ISSN journal
00201685 → ACNP
Volume
35
Issue
1
Year of publication
1999
Pages
60 - 63
Database
ISI
SICI code
0020-1685(199901)35:1<60:POMOBO>2.0.ZU;2-N
Abstract
The crystal structure, electrical conductivity, and thermoelectric power of Nd1-xCaxCr1-yCuyO3 (x = 0.2, 0.3, 0.4; y = 0-0.20) chromites were studied in the temperature range 770-1270 K at oxygen partial pressures p(O2) = 10( 4) to 10(-12.5) Pa. The solid solutions studied have an orthorhombic struct ure and are p-type semiconductors, with electrical transport due to thermal ly activated hopping of small-radius polarons.