2002
DOI: 10.3989/cyv.2002.v41.i5.662
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Envejecimiento y propiedades eléctricas de materiales basados en Y-TZP

Abstract: Se ha estudiado la respuesta eléctrica de policristales tetragonales de ZrO 2 -3mol% Y 2 O 3 (Y-TZP) con distintos tamaños de grano, en el rango de baja temperatura (T<350°C), para analizar su comportamiento en el proceso de envejecimiento que sufren estos cristales. El espectro de impedancia, que inicialmente muestra dos picos relacionados con las contribuciones de grano y frontera de grano (altas y bajas frecuencias, respectivamente), ha sido ajustado mediante un modelo circuital para analizar sus contribuci… Show more

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Cited by 3 publications
(1 citation statement)
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“…The kind of electrode polarization correction used in this work, based on empirical curve fitting that includes a constant-phase-angle (CPA) frequency dependence of the impedance of the electrodes, has been widely used in impedance spectroscopy of solid samples [29,37,38] and also in dielectric spectroscopy of biological cell suspensions [31]. The procedure allows a complete fit over the entire impedance spectrum by means of a circuit model that takes into account the two contributions to the dielectric response due to electrode polarization and sample.…”
Section: Electrode Polarization Correctionmentioning
confidence: 99%
“…The kind of electrode polarization correction used in this work, based on empirical curve fitting that includes a constant-phase-angle (CPA) frequency dependence of the impedance of the electrodes, has been widely used in impedance spectroscopy of solid samples [29,37,38] and also in dielectric spectroscopy of biological cell suspensions [31]. The procedure allows a complete fit over the entire impedance spectrum by means of a circuit model that takes into account the two contributions to the dielectric response due to electrode polarization and sample.…”
Section: Electrode Polarization Correctionmentioning
confidence: 99%