Defect chemistry of undoped La sub 2 CuO sub 4

La{sub 2}CuO{sub 4} is an oxygen-excess, p-type material over the range 700-900C and 10{sup {minus}2}-10{sup 5} Pa of oxygen. The major defects are interstitial oxygen and holes. The enthalpy of oxidation is near zero, and the hole mobility increases slightly with decreasing temperature, characteris...

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Veröffentlicht in:	Journal of solid state chemistry 1992-04, Vol.97:2
Hauptverfasser:	Hong, D.J.L., Smyth, D.M.
Format:	Artikel
Sprache:	eng
Schlagworte:	360202 - Ceramics, Cermets, & Refractories- Structure & Phase Studies 400201 - Chemical & Physicochemical Properties ANIONS CHALCOGENIDES CHARGED PARTICLES CHEMICAL REACTIONS COPPER COMPOUNDS COPPER OXIDES DATA DEFECTS ELECTRIC CONDUCTIVITY ELECTRICAL PROPERTIES ENTHALPY EXPERIMENTAL DATA HOLES INFORMATION INORGANIC, ORGANIC, PHYSICAL AND ANALYTICAL CHEMISTRY IONS LANTHANUM COMPOUNDS LANTHANUM OXIDES MATERIALS SCIENCE NUMERICAL DATA OXIDATION OXIDES OXYGEN COMPOUNDS PHYSICAL PROPERTIES PRESSURE DEPENDENCE RARE EARTH COMPOUNDS SEEBECK EFFECT STOICHIOMETRY TEMPERATURE DEPENDENCE TEMPERATURE RANGE TEMPERATURE RANGE 0400-1000 K TEMPERATURE RANGE 1000-4000 K THERMODYNAMIC PROPERTIES TRANSITION ELEMENT COMPOUNDS
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