A SIMS study of oxygen tracer diffusion and surface exchange in La0.8Sr0.2MnO3+δ

This study of oxygen diffusion in La0.8Sr0.2MnO3+delta indicates that 1) bulk oxygen diffusion in this perovskite oxide, which exhibits excess, involves the migration of oxygen vacancies; 2) the absolute magnitude of the oxygen diffusion coefficient is very low in comparison to other acceptor- doped...

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Veröffentlicht in:	Materials letters 2000-03, Vol.43 (1-2), p.43-52
Hauptverfasser:	DE SOUZA, R. A, KILNER, J. A, WALKER, J. F
Format:	Artikel
Sprache:	eng
Schlagworte:	Chemical interdiffusion diffusion barriers Condensed matter: structure, mechanical and thermal properties Diffusion in solids Exact sciences and technology Physics Transport properties of condensed matter (nonelectronic)
Online-Zugang:	Volltext
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