{"id":64662,"date":"2018-03-09T22:52:44","date_gmt":"2018-03-09T22:52:44","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/oxidos-de-sr-ca-criv-obtenidos-a-altas-presiones-y-temperaturas-estructuras-clasicas-y-discordantesmisfit-propiedades\/"},"modified":"2018-03-09T22:52:44","modified_gmt":"2018-03-09T22:52:44","slug":"oxidos-de-sr-ca-criv-obtenidos-a-altas-presiones-y-temperaturas-estructuras-clasicas-y-discordantesmisfit-propiedades","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/oxidos-de-sr-ca-criv-obtenidos-a-altas-presiones-y-temperaturas-estructuras-clasicas-y-discordantesmisfit-propiedades\/","title":{"rendered":"\u00f3xidos de sr\/ca-cr(iv) obtenidos a altas presiones y temperaturas: estructuras cl\u00e1sicas y discordantes(misfit) propiedades."},"content":{"rendered":"<h2>Tesis doctoral de <strong> Elizabeth Castillo Mart\u00ednez <\/strong><\/h2>\n<p>En este trabajo hemos empleado la alta presi\u00f3n para estabilizar perovskitas con un cati\u00f3n b reputado inestable en coordinaci\u00f3n octa\u00e9drica con ox\u00edgeno, como es el cr(iv). Las fases preparadas han sido caracterizadas plenamente en t\u00e9rminos estructurales por difracci\u00f3n de rayos-x y microscop\u00eda electr\u00f3nica de transmisi\u00f3n, y en ellas se han efectuado medidas magn\u00e9ticas, el\u00e9ctricas y en algunos casos de calor espec\u00edfico. En concreto se han sintetizado 3 tipos de fases. 1) la disoluci\u00f3n s\u00f3lida sr1-xcaxcro3 tipo perovskita, 2) las fases denominadas de ruddlesden-popper, de f\u00f3rmula general srn+1crno3n+2)- tambi\u00e9n hemos descubierto nuevas fases de las denominadas discordantes, \u00abmisfit layer structure\u00bb. por \u00faltimo y tambi\u00e9n por medio de alta presi\u00f3n, hemos conseguido transformar un compuesto con estructura tipo bixbyita en perovskita, sciiiviiio3, que presenta la mayor distorsi\u00f3n octah\u00e9drica conocida hasta el momento.<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>\u00f3xidos de sr\/ca-cr(iv) obtenidos a altas presiones y temperaturas: estructuras cl\u00e1sicas y discordantes(misfit) propiedades.<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 \u00f3xidos de sr\/ca-cr(iv) obtenidos a altas presiones y temperaturas: estructuras cl\u00e1sicas y discordantes(misfit) propiedades. <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Elizabeth Castillo Mart\u00ednez <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Complutense de Madrid<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 23\/05\/2008<\/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>Miguel Angel Alarios Franco<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: Luis Carlos Otero d\u00edaz <\/li>\n<li>te\u00f3filo Rojo (vocal)<\/li>\n<li>sander Van smaalen (vocal)<\/li>\n<li>daniel Khomskii (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Elizabeth Castillo Mart\u00ednez En este trabajo hemos empleado la alta presi\u00f3n para estabilizar perovskitas con un cati\u00f3n [&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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