{"id":139079,"date":"2026-01-12T17:41:08","date_gmt":"2026-01-12T17:41:08","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/orden-desorden-en-el-sistema-tr-ba-cu-fe-o-tryln\/"},"modified":"2026-01-12T17:41:08","modified_gmt":"2026-01-12T17:41:08","slug":"orden-desorden-en-el-sistema-tr-ba-cu-fe-o-tryln","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/quimica\/orden-desorden-en-el-sistema-tr-ba-cu-fe-o-tryln\/","title":{"rendered":"Orden-desorden en el sistema tr-ba-cu-fe-o (tr=y,ln)"},"content":{"rendered":"<h2>Tesis doctoral de <strong> Esther Garcia Gonzalez <\/strong><\/h2>\n<p>La tesis doctoral de d\u00f1a. Ester garcia gonzalez, aborda diversos aspectos relacionados con la sintesis y la caracterizacion microestructural del sistema lnba2cu3-x fexo7+d (ln=lantanido). De esta forma, se ha puesto de manifiesto que la desaparicion de las propiedades superconductoras caracteristicas del yba2cu3o7 al aumentar el contenido de hierro, va acompa\u00f1ada de la formacion de intercrecimientos desordenados del material 1:2:3 con bloques tipo perovskita de composicion ybacufeo5.  por otra parte, la sustitucion total del cu por fe, conduce a la formacion de nuevas superestructuras derivadas del tipo estructural perovskita que dependen de la tierra rara y del contenido en oxigeno. Todas ellas pueden describirse como formadas por capas de octaedros que alternan ordenadamente con capas en las que el fe presenta coordinacion piramidal de base cuadrada.  por ultimo, se ha instalado y puesto a punto la tecnica pirosol para la fabricacion de laminas delgadas, tanto de sustratos (mgo) como de materiales del sistema yba2cu3o7+d.<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Orden-desorden en el sistema tr-ba-cu-fe-o (tr=y,ln)<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Orden-desorden en el sistema tr-ba-cu-fe-o (tr=y,ln) <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Esther Garcia Gonzalez <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Complutense de Madrid<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 01\/01\/1992<\/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: Miguel Angel Alarios Franco <\/li>\n<li>Josep Fontcuberta Gri\u00f1\u00f3 (vocal)<\/li>\n<li>Michel Labeau (vocal)<\/li>\n<li>  (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Esther Garcia Gonzalez La tesis doctoral de d\u00f1a. Ester garcia gonzalez, aborda diversos aspectos relacionados con la [&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":[986,1116,17,20],"tags":[39385,7083,21538,253579,6296],"class_list":["post-139079","post","type-post","status-publish","format-standard","hentry","category-complutense-de-madrid","category-estructura-de-los-compuestos-inorganicos","category-quimica","category-quimica-inorganica","tag-esther-garcia-gonzalez","tag-jose-maria-gonzalez-calbet","tag-josep-fontcuberta-grino","tag-michel-labeau","tag-miguel-angel-alarios-franco"],"_links":{"self":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/posts\/139079","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=139079"}],"version-history":[{"count":0,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/posts\/139079\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/media?parent=139079"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/categories?post=139079"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/tags?post=139079"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}