THERMODYNAMIC DATA OF THE PEROVSKITE-TYPE LAMNO3+ -X AND LA0.7SR0.3MNO3+/-X BY A SOLID-STATE ELECTROCHEMICAL TECHNIQUE/

Authors
TANASESCU S TOTIR ND MARCHIDAN DI
Citation
S. Tanasescu et al., THERMODYNAMIC DATA OF THE PEROVSKITE-TYPE LAMNO3+ -X AND LA0.7SR0.3MNO3+/-X BY A SOLID-STATE ELECTROCHEMICAL TECHNIQUE/, Electrochimica acta, 43(12-13), 1998, pp. 1675-1681
Citations number
22
Categorie Soggetti
Electrochemistry
Journal title
Electrochimica acta → ACNP
ISSN journal
00134686
Volume
43
Issue
12-13
Year of publication
1998
Pages
1675 - 1681
Database
ISI
SICI code
0013-4686(1998)43:12-13<1675:TDOTPL>2.0.ZU;2-5
Abstract
A solid-state electrochemical technique was employed to study the ther modynamic properties of some nonstoichiometric undoped and 30% Sr-dope d LaMnO3 perovskites over the temperature range 1073-1373 K. The equil ibrium pressures of oxygen and the relative partial free energies, ent halpies and entropies of oxygen in LaMnO3+/-x and La0.7Sr0.3MnO3+/-x w ere determined as a function of temperature and oxygen nonstoichiometr y. (C) 1998 Elsevier Science Ltd. All rights reserved.