{"id":16024,"date":"2018-03-09T09:03:27","date_gmt":"2018-03-09T09:03:27","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/influencia-del-cation-alcalinoterreo-en-las-propiedades-magneticas-y-electricas-de-sistemas-magnetorresistentes-basados-en-peroskitas-de-mn\/"},"modified":"2018-03-09T09:03:27","modified_gmt":"2018-03-09T09:03:27","slug":"influencia-del-cation-alcalinoterreo-en-las-propiedades-magneticas-y-electricas-de-sistemas-magnetorresistentes-basados-en-peroskitas-de-mn","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/quimica\/influencia-del-cation-alcalinoterreo-en-las-propiedades-magneticas-y-electricas-de-sistemas-magnetorresistentes-basados-en-peroskitas-de-mn\/","title":{"rendered":"Influencia del cation alcalinoterreo en las propiedades magneticas y electricas de sistemas magnetorresistentes basados en peroskitas de mn"},"content":{"rendered":"<h2>Tesis doctoral de <strong> Esther Herrero Nu\u00f1ez <\/strong><\/h2>\n<p>El control riguroso de la composici\u00f3n cati\u00f3nica y ani\u00f3nica de los materiales estudiados a lo largo de este trabajo (la1-x cax mno y 0&lt;z&lt;-y), ha permitido proponer una nueva formulaci\u00f3n que tiene en cuenta la existencia, en este sistema, tanto de vacantes cationicas como ani\u00f3nicas. La concentraci\u00f3n de vacantes cationicas, no depende del contenido de oxigeno de los materiales coo se habia propuesto anteriormente. Asimismo, se ha propuesto un modelo de localizaci\u00f3n del mn4+ en torno a los cationes ca2+, que da cuenta de las propiedades magneticas y electricas del sistema. Tambien se ha observado la existencia de un estado de orden de cargas, en un margen de composicion mucho mas amplio al hasta ahora recogido en la bibliografia. La presencia de un 50% de ca2+, permite estabilizar el estado de orden de cargas para valores de mn4+ tan bajos como un 40%. Por ultimo, se ha puesto a punto un m\u00e9todo de sintesis mediante pirosol a baja presi\u00f3n, que permite obtener peliculas delgadas de sistemas la1-x txmnoy (t=ca y sr).<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Influencia del cation alcalinoterreo en las propiedades magneticas y electricas de sistemas magnetorresistentes basados en peroskitas de mn<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Influencia del cation alcalinoterreo en las propiedades magneticas y electricas de sistemas magnetorresistentes basados en peroskitas de mn <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Esther Herrero Nu\u00f1ez <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Complutense de Madrid<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 13\/03\/2002<\/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>Jos\u00e9 Mar\u00eda Gonz\u00e1lez Calbet<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: Antonio Hernando grande <\/li>\n<li>teofilo Rojo aparicio (vocal)<\/li>\n<li>Mar\u00eda Vallet reg\u00ed (vocal)<\/li>\n<li>conrado Rillo  millan (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Esther Herrero Nu\u00f1ez El control riguroso de la composici\u00f3n cati\u00f3nica y ani\u00f3nica de los materiales estudiados a [&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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