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Espectroscopia de ímpedancía de monocristales 4.7 mol% Y-PSZ

Authors: Cachadiña, I.; Solier, J. D.;

Espectroscopia de ímpedancía de monocristales 4.7 mol% Y-PSZ

Abstract

El ajuste mediante el método Rietveld del espectro de difracción de rayos-X de un monocristal Zr02-4.7mol%Y203, muestra la existencia de una microestructura de dos fases t+t'. Los espectros de impedancia de este material determinan que su respuesta eléctrica esta controlada por los mismos procesos que en monocristales de circonia totalmente estabilizados con 9.5 mol% de itria. El análisis de la impedancia con un modelo circuital de una resistencia en paralelo con un condensador dependiente de la frecuencia, como una función tipo Fiavriliak- Negami, permite determinar las energías de activación de 0.94 eV y 1.10 eV para la conductividad iónica en las muestras de dos fases (f+f ) y una fase (c), respectivamente.

Peer reviewed

Keywords

Difracción, microestructura

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
Average
Green