{"id":24768,"date":"2018-03-09T09:15:51","date_gmt":"2018-03-09T09:15:51","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/defects-and-the-vortex-liquid-state-in-superconducting-textured-yba2cu3o7\/"},"modified":"2018-03-09T09:15:51","modified_gmt":"2018-03-09T09:15:51","slug":"defects-and-the-vortex-liquid-state-in-superconducting-textured-yba2cu3o7","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/defects-and-the-vortex-liquid-state-in-superconducting-textured-yba2cu3o7\/","title":{"rendered":"Defects and the vortex liquid state in superconducting textured yba2cu3o7"},"content":{"rendered":"<h2>Tesis doctoral de <strong> Jordi Figueras Puig <\/strong><\/h2>\n<p>En los superconductores de alta temperatura cr\u00edtica el movimiento de las l\u00edneas de campo magn\u00e9tico (v\u00f3rtices) que penetran en el material aumenta por las elevadas temperaturas de uso de estos materiales, dando lugar a una disipaci\u00f3n en forma de resistencia el\u00e9ctrica.  adicionalmente, estos v\u00f3rtices est\u00e1n sometidos a una elevada influencia de los defectos microestructurales que modifican su comportamiento din\u00e1mico. estos defectos pueden actuar como centros de anclaje de los v\u00f3rtices, lo que mejora las propiedades superconductores. El estudio de la influencia de la microestructura en el movimiento de los v\u00f3rtices en texturados de yba2cu3o7 es el objetivo de esta tesis.  este estudio ha requerido el estudio de muestras de microestructura claramente diferenciadas y una sistem\u00e1tica de medida que permita distinguir entre los distintos defectos. En particular:  1,- se ha realizado un estudio comparativo entre texturados y un monocristal de yba2cu3o7 y sistemas similares: ndba2cu3o7 y yba2(cu1-xmgx)3o7.  2,- se ha determinado y cuantificado la influencia de la microestructura en texturados (planos de macla, dislocaciones, faltas de apilamiento, microgrietas, part\u00edculas de y2bacuo5), que ha permitido concluir que:  2.1,- cuando los v\u00f3rtices son alineados paralelamente a los centros de anclaje (planos de macla, dislocaicones y la interfase de las part\u00edculas de y2bacuo5) el estado s\u00f3lido de los v\u00f3rtices se amplia.  2.2,- los defectos puntuales no son capaces de modificar el diagrama de fases magn\u00e9tico.  2.3,- ciertos derivados microestructurales (microgrietas y faltas de apilamiento) dan lugar a una ampliaci\u00f3n del estado l\u00edquido de v\u00f3rtices.  todo este estudio de la din\u00e1mica de los v\u00f3rtices en el estado l\u00edquido de v\u00f3rtices ha permitido determinar la existencia de una nueva transici\u00f3n intr\u00ednseca en la fase l\u00edquida del l\u00edquido de v\u00f3rtices donde la tensi\u00f3n lineal del v\u00f3rtice se pierde.<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Defects and the vortex liquid state in superconducting textured yba2cu3o7<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Defects and the vortex liquid state in superconducting textured yba2cu3o7 <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Jordi Figueras Puig <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Aut\u00f3noma de barcelona<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 15\/07\/2003<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<h3>Direcci\u00f3n y tribunal<\/h3>\n<ul>\n<li><strong>Director de la tesis<\/strong>\n<ul>\n<li>Xavier Obradors Berenguer<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: f\u00e9lix Vidal costa <\/li>\n<li>jacobo Santamar\u00eda sanchez-barriga (vocal)<\/li>\n<li> Vicent l\u00f3pez Jos\u00e9 Luis (vocal)<\/li>\n<li>benjam\u00edn Mart\u00ednez perea (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Jordi Figueras Puig En los superconductores de alta temperatura cr\u00edtica el movimiento de las l\u00edneas de campo [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center 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