Thermodynamic data of the perovskite-type LaMnO sub(3 plus or minus x) and La sub(0.7)Sr sub(0.3)MnO sub(3 plus or minus x) by a solid-state electrochemical technique

Thermodynamic data of the perovskite-type LaMnO sub(3 plus or minus x) and La sub(0.7)Sr sub(0.3)MnO sub(3 plus or minus x) by a solid-state electrochemical technique

A solid-state electrochemical technique was employed to study the thermodynamic properties of some nonstoichiometric undoped and 30% Sr-doped LaMnO sub(3) perovskites over the temperature range 1073-1373 K. The equilibrium pressures of oxygen and the relative partial free energies, enthalpies and en...

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Veröffentlicht in:Electrochimica acta 1998-01, Vol.43 (12-13), p.1675-1681
Hauptverfasser: Tanasescu, Speranta, Totir, Nicolae D, Marchidan, Dumitru I
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creator Tanasescu, Speranta
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Marchidan, Dumitru I
description A solid-state electrochemical technique was employed to study the thermodynamic properties of some nonstoichiometric undoped and 30% Sr-doped LaMnO sub(3) perovskites over the temperature range 1073-1373 K. The equilibrium pressures of oxygen and the relative partial free energies, enthalpies and entropies of oxygen in LaMnO sub(3 plus or minus x) and La sub(0.7)Sr sub(0.3)MnO sub(3 plus or minus x) were determined as a function of temperature and oxygen nonstoichiometry.
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title Thermodynamic data of the perovskite-type LaMnO sub(3 plus or minus x) and La sub(0.7)Sr sub(0.3)MnO sub(3 plus or minus x) by a solid-state electrochemical technique
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