The effect of element substitution on high-temperature thermoelectric properties of Ca{sub 3}Co{sub 2}O{sub 6} compounds

• Published in: Journal of solid state chemistry Vol. 178; no. 5
• Main Authors: Mikami, Masashi, Funahashi, Ryoji, CREST, Japan Science and Technology Agency, 4-1-8, Honcho Kawaguchi, Saitama 332-0012
• Format: Journal Article
• Language: English
• Published: United States 15.05.2005
• Subjects: CALCIUM COMPOUNDS; CARRIER DENSITY; COBALT COMPOUNDS; COPPER COMPOUNDS; ELECTRIC CONDUCTIVITY; GRAIN BOUNDARIES; GRAIN SIZE; INORGANIC, ORGANIC, PHYSICAL AND ANALYTICAL CHEMISTRY; IRON COMPOUNDS; MANGANESE COMPOUNDS; NICKEL COMPOUNDS; OXIDES; POLYCRYSTALS; SOLIDS; THERMOELECTRIC PROPERTIES

Polycrystalline Ca{sub 3}Co{sub 1.8}M{sub 0.2}O{sub 6} (M=Mn, Fe, Co, Ni, Cu) and Ca{sub 2.7}Na{sub 0.3}Co{sub 2}O{sub 6} were synthesized by solid-state reaction to evaluate the effect of substitution on the thermoelectric properties of Ca{sub 3}Co{sub 2}O{sub 6}. Substitution by Mn, Cu and Na appe...