{"id":53952,"date":"2006-11-07T00:00:00","date_gmt":"2006-11-07T00:00:00","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/estructura-y-magnetotransporte-de-interfases-de-oxidos-complejos\/"},"modified":"2006-11-07T00:00:00","modified_gmt":"2006-11-07T00:00:00","slug":"estructura-y-magnetotransporte-de-interfases-de-oxidos-complejos","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/estructura-y-magnetotransporte-de-interfases-de-oxidos-complejos\/","title":{"rendered":"Estructura y magnetotransporte de interfases de \u00f3xidos complejos"},"content":{"rendered":"<h2>Tesis doctoral de <strong>  Pe\u00f1a Hidalgo M. Vanessa <\/strong><\/h2>\n<p>El objetivo de esta tesis es el estudio de las propiedades de magnetotransporte en distintas estructuras epitaxiales donde las interfases son especialmente complejas y varios factores como el desorden interfacial, la rugosidad, la interdifusi\u00f3n, la tensi\u00f3n epitaxial, etc. Pueden modificar las propiedades f\u00edsicas. Por una parte se caracteriza el comportamiento de pel\u00edculas delgadas de manganitas de lantano y calcio (\u00f3xidos con magnetorresistencia colosal) sobre diferentes grados de tensi\u00f3n epitaxial. El crecimiento presenta distintos estados dependiendo de que la tensi\u00f3n que impone el substrato sea de tracci\u00f3n o comprensi\u00f3n en el plano basal modificando las propiedades de las pel\u00edculas. as\u00ed se encuentra que en condiciones de tracci\u00f3n no se observa segregaci\u00f3n qu\u00edmica ni separaci\u00f3n de fases electr\u00f3nica a escala at\u00f3mica, pero las propiedades de transporte y magn\u00e9ticas se ven reducidas, mientras que en condiciones de compresi\u00f3n no hay segregaci\u00f3n qu\u00edmica, pero si separaci\u00f3n de fase electr\u00f3nica, siendo las propiedades de estas pel\u00edculas las correspondientes al material en volumen.  por otra parte se han estudiado heteroestructuras ferromagnetico\/superconductor de \u00f3xidos (lcmo\/ybco), con interfases complejas, para buscar nuevos efectos dependientes del esp\u00edn en las propiedades de transporte. La superconductividad en las interfases esta deprimida pro varios factores como la transferencia de carga, la inyecci\u00f3n de espines o el efecto de proximidad f\/s. Se presentan experimentos para discutir estos mecanismos que suprimen la super conductividad. en particular, se discute como la temperatura critica del superconductor depende de la orientaci\u00f3n relativa de las imanaciones de las capas f, ando lugar a un nuevo efecto de magnetorresistencia gigante de interese para posibles aplicaciones de espintronica.<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Estructura y magnetotransporte de interfases de \u00f3xidos complejos<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Estructura y magnetotransporte de interfases de \u00f3xidos complejos <\/li>\n<li><strong>Autor:<\/strong>\u00a0  Pe\u00f1a Hidalgo M. Vanessa <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Complutense de Madrid<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 11\/07\/2006<\/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>barriga Santamar\u00eda Sanchez<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: Antonio Hernando grande <\/li>\n<li>josep Fontcuberta gri\u00f1\u00f3 (vocal)<\/li>\n<li>Jos\u00e9 Luis Martinez pe\u00f1a (vocal)<\/li>\n<li>Manuel ricardo Ibarra garcia (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Pe\u00f1a Hidalgo M. Vanessa El objetivo de esta tesis es el estudio de las propiedades de magnetotransporte [&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 center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""}},"footnotes":""},"categories":[1],"tags":[5484,42669,1011,21538,26297,119115],"class_list":["post-53952","post","type-post","status-publish","format-standard","hentry","category-sin-categoria","tag-antonio-hernando-grande","tag-barriga-santamaria-sanchez","tag-jose-luis-Martinez-pena","tag-josep-fontcuberta-grino","tag-manuel-ricardo-ibarra-garcia","tag-pena-hidalgo-m-vanessa"],"_links":{"self":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/posts\/53952","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/comments?post=53952"}],"version-history":[{"count":0,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/posts\/53952\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/media?parent=53952"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/categories?post=53952"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/tags?post=53952"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}