{"id":31643,"date":"1997-01-01T00:00:00","date_gmt":"1997-01-01T00:00:00","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/transporte-en-estructuras-mesoscopicas-superconductoras\/"},"modified":"1997-01-01T00:00:00","modified_gmt":"1997-01-01T00:00:00","slug":"transporte-en-estructuras-mesoscopicas-superconductoras","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/fisica\/transporte-en-estructuras-mesoscopicas-superconductoras\/","title":{"rendered":"Transporte en estructuras mesoscopicas superconductoras."},"content":{"rendered":"<h2>Tesis doctoral de <strong> Manuel Poza Jimenez <\/strong><\/h2>\n<p>Mediante microscopia de efecto tunel a bajas temperaturas se han estudiado particulas y cuellos conectores de pb de tama\u00f1o inferior o comparable a la longitud de coherencia superconductora de dicho material.  las particulas se fabricaron con la tecnica de evaporacion en atmosfera inerte y fueron caracterizadas topografica y espectroscopicamente a bajas temperaturas, observandose distintos comportamientos en funcion del tama\u00f1o de las particulas y de su conexion con el substrato (normal) donde estan depositadas.  por otro lado, se analizaron las propiedades de transporte de cuellos conectores nanoscopicos fabricados a partir de contactos realizados con la punta del stm en substratos de pb. Aplicando un campo magnetico permanente superior al campo critico de volumen, se ha conseguido que la superconductividad este confinada unicamente en el cuello obteniendose asi una estructura mesoscopica superconductora. Las propiedades de estas estructuras dependen de su geometria distinguiendose varios tipos de comportamientos superconductores. La forma de los cuellos puede modificarse desplazando la punta del microscopio pudiendose, de este modo, modular sus propiedades.<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Transporte en estructuras mesoscopicas superconductoras.<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Transporte en estructuras mesoscopicas superconductoras. <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Manuel Poza Jimenez <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Aut\u00f3noma de Madrid<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 01\/01\/1997<\/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>Sebasti\u00e1n Vieira D\u00edaz<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: Raul Villar Lazaro <\/li>\n<li>Antonio Hernando Grande (vocal)<\/li>\n<li>Arturo Baro Vidal (vocal)<\/li>\n<li>Yuri Pogorelov (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Manuel Poza Jimenez Mediante microscopia de efecto tunel a bajas temperaturas se han estudiado particulas y cuellos [&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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