"High-temperature stability, structure and thermoelectric propertiesof CaMn1-xNbxO3 phases"@en . "Robert, R." . "1359-6454" . . "Logvinovich, D." . "Polycrystalline perovskite-type CaMn1-xNbxO3 phases (with x = 0.02, 0.05, 0.08 and 0.10) were investigated with regard to their structure, microstructure and thermal stability as a function of temperature. A possible mechanism relating the high-temperature structural transition and the thermal reduction process of slightly substituted CaMnO3 phases was proposed. The thermal reduction process resulted in a change in the Mn3+/Mn4+ concentrations in the Mn sublattice, and therefore in a modification of the transport properties. A comprehensive study examined the impact of both phenomena on the electrical and thermal transport properties." . "Bocher, L." . "57" . . . "317185" . "High-temperature stability, structure and thermoelectric propertiesof CaMn1-xNbxO3 phases" . . "Acta Materialia" . . "Bakardjieva, Snejana" . . . . . "Aguirre, M. H." . . "1"^^ . . "Weidenkaff, A." . "High-temperature stability, structure and thermoelectric propertiesof CaMn1-xNbxO3 phases"@en . "RIV/61388980:_____/09:00336243!RIV10-MSM-61388980" . . . "19" . "RIV/61388980:_____/09:00336243" . . . "7"^^ . . "000271668200005" . "perovskites; thermoelectricity; structural transition; thermal reduction; twinned domain microstructure"@en . . "GB - Spojen\u00E9 kr\u00E1lovstv\u00ED Velk\u00E9 Brit\u00E1nie a Severn\u00EDho Irska" . "High-temperature stability, structure and thermoelectric propertiesof CaMn1-xNbxO3 phases" . "Hejtm\u00E1nek, Ji\u0159\u00ED" . "14"^^ . "[D25AF5E29D68]" . . . "P(GA203/09/1036), P(LC523), Z(AV0Z10100521), Z(AV0Z40320502)" . . . "Polycrystalline perovskite-type CaMn1-xNbxO3 phases (with x = 0.02, 0.05, 0.08 and 0.10) were investigated with regard to their structure, microstructure and thermal stability as a function of temperature. A possible mechanism relating the high-temperature structural transition and the thermal reduction process of slightly substituted CaMnO3 phases was proposed. The thermal reduction process resulted in a change in the Mn3+/Mn4+ concentrations in the Mn sublattice, and therefore in a modification of the transport properties. A comprehensive study examined the impact of both phenomena on the electrical and thermal transport properties."@en .