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Avances en Ciencias e Ingeniería
Article . 2013
Data sources: DOAJ
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CONDUCTIVIDAD Y PERCOLACION DE UN MATERIAL COMPUESTO: OXIDO MAGNETICO-POLIANILINA

Authors: Juan C. Aphesteguy; Silvia E. Jacobo;

CONDUCTIVIDAD Y PERCOLACION DE UN MATERIAL COMPUESTO: OXIDO MAGNETICO-POLIANILINA

Abstract

El objetivo de este trabajo es estudiar la conductividad de un material compuesto (óxido de hierro /polianilina) a fin de determinar la relación mínima entre sus componentes que mantiene la interconexión entre las partículas de polianilina. Para ello se prepararon por mezcla sólida, sistemas formados por polianilina (en su forma básica, no conductora, emeraldina) dopada con ácido canforsulfónico (CSA) y un óxido de hierro magnético (Fe xOy) (parcialmente encapsulado en polianilina). Los polvos fueron compactados a 1,3.103 MPa. Se estudió la conductividad del sistema en función de la fracción en volumen (P) del óxido incluido. Se determinó, para las condiciones experimentales establecidas, una fracción de percolación Pc = 0,131 (38,6 % m/m FexOy) a 300K. Los resultados experimentales indicaron que la conductividad presenta un comportamiento crítico no universal que se interpretó empleando el modelo de Kusy.

Keywords

Q1-390, Science (General), TA1-2040, Engineering (General). Civil engineering (General)

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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
gold