Superconductores de alta Temperatura Crítica a base de Hierro
Keywords:
LaO1-xFxFeAs, materiales superconductores, alta temperatura crítica. (es)LaO1-xFxFeAs, superconducting materials, high critical temperature. (en)
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El descubrimiento a principios de 2008 de una nueva familia superconductora con una Tc~26K en un compuesto de hierro y dopado con flúor, LaO1-xFxFeAs, ha revivido el interés en la búsqueda de materiales superconductores con alta temperatura critica. Su descubrimiento ha propiciado un acelerado estudio de sus propiedades superconductoras y de muchas otras propiedades físicas, dando como resultado la obtención nuevos compuestos con temperaturas críticas entre 26 - 55 K. En este artículo se pretende hacer un resumen de las principales características fisicoquímicas de dicha familia y compuestos relacionados.
The discovery in early 2008 of a new family of superconductors with a Tc~26K in an iron compound and fluorine doped, LaO1-xFxFeAs, has revived interest in the search for superconducting materials with high critical temperature. The discovery has led to an accelerated study of superconducting properties and many other physical properties, resulting in obtaining new compounds with critical temperatures between 26 - 55 K. In this article it is intended to summarize the main physical and chemist characteristics of this family and related compounds.
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