article·1991-01-01

Propiedades magnéticas y eléctricas de materiales superconductores de alta temperatura crítica

F. Lera, A. Badı́a, G. de la Fuente Leis, C. Rillo, Juan Bartolomé Sanjoaquín, Rafael Navarro

Abstract

espanolSe presenta una revision no sistematica de las propiedades electricas y magneticas mas comunes de los materiales superconductores de alta temperatura critica (SAT). El estudio abarca materiales en formas ceramicas, monocristalinas, laminas delgadas y fibras de las familias de SAT; Y-Ba-Cu-O y Bi-Sr-CaCu-O. La caracterizacion de las propiedades macroscopicas se ha hecho con medidas magneticas (susceptibilidad ac, analisis armonico e imanacion) y medidas electricas (resistividad ac y de y curvas I-V). Se realiza un analisis critico de los resultados obtenidos con distintas tecnicas y su interpretacion EnglishA non systematic review of the more common electric and magnetic properties of High Temperature Superconductors (HTS) is presented. The study uses ceramics, single-crystal, thin films and fiber materials of the Y-Ba-Cu-O y Bi-Sr-Ca-Cu-O families. A characterization of the macroscopic properties by means of magnetic (ac susceptibility, harmonic analysis and magnetization) and electric (ac and dc resistivity and I-V curves) has been done. A critical analysis of the results derived with different techniques is realized
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Research context

OpenAlex topics: Physics of Superconductivity and Magnetism

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