{"id":10980,"date":"1996-01-01T00:00:00","date_gmt":"1996-01-01T00:00:00","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/1996\/01\/01\/oxidos-mixtos-tipo-perovskita-derivados-del-lanio3-caracterizacion-estructural-electrica-y-magnetica\/"},"modified":"1996-01-01T00:00:00","modified_gmt":"1996-01-01T00:00:00","slug":"oxidos-mixtos-tipo-perovskita-derivados-del-lanio3-caracterizacion-estructural-electrica-y-magnetica","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/quimica\/oxidos-mixtos-tipo-perovskita-derivados-del-lanio3-caracterizacion-estructural-electrica-y-magnetica\/","title":{"rendered":"Oxidos mixtos tipo perovskita derivados del lanio3: caracterizacion estructural, electrica y magnetica."},"content":{"rendered":"<h2>Tesis doctoral de <strong> Inmaculada Alvarez Serrano <\/strong><\/h2>\n<p>Se describe la sintesis, caracterizacion estructural y las propiedades electricas y magneticas de cuatro series de oxidos mixtos con estructura tipo perovskita, derivados del lanio3. Tres de estas series responden a la formula general lani1- xmxo3 (m=mo, w, te, sb, ti, cu, zn) donde m ocupa las posiciones del subreticulo b de las peroskitas y, en la cuarta, de formula ayla1-yni1-xmxo3 (a=ca, sr; m= te, w) se introducen ademas cationes alcalinoterreos en posiciones del subreticulo a. Los estudios estructurales pone de manifiesto que los materiales com m=mo, te, w, sb presentan simetria ortorrombica mientras que los oxidos con m=ti, cu; zn presentan simetria romboedrica, al igual que el material de referencia, lanio3, por lo que respecta a las propiedades electricas, se han determinado transiciones metal-aislante a partir de los resultados de medidas en e.C. Y coeficente seebeck a diferentes temperaturas.  la medida del comportamiento magnetico, por otra parte, ha puesto de manifiesto un comportamiento antiferromagnetico con \u00abcanting\u00bb.<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Oxidos mixtos tipo perovskita derivados del lanio3: caracterizacion estructural, electrica y magnetica.<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Oxidos mixtos tipo perovskita derivados del lanio3: caracterizacion estructural, electrica y magnetica. <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Inmaculada Alvarez Serrano <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Complutense de Madrid<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 01\/01\/1996<\/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>Mar\u00eda  Luisa Veiga Blanco<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: Jos\u00e9 Mar\u00eda Gonz\u00e1lez Calbet <\/li>\n<li>Teofilo Rojo Aparicio (vocal)<\/li>\n<li>Elias Mu\u00f1oz Merino (vocal)<\/li>\n<li>Eduardo Ruiz Hitzky (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Inmaculada Alvarez Serrano Se describe la sintesis, caracterizacion estructural y las propiedades electricas y magneticas de cuatro [&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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