{"id":117715,"date":"2018-03-11T10:47:23","date_gmt":"2018-03-11T10:47:23","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/estudio-mediante-espectroscopa%c2%adas-opticas-de-defectos-cristalinos-de-tipo-f-en-monocristales-de-circona-estabilizados-en-fase-cubica-con-y2oe-y-cao\/"},"modified":"2018-03-11T10:47:23","modified_gmt":"2018-03-11T10:47:23","slug":"estudio-mediante-espectroscopa%c2%adas-opticas-de-defectos-cristalinos-de-tipo-f-en-monocristales-de-circona-estabilizados-en-fase-cubica-con-y2oe-y-cao","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/complutense-de-madrid\/estudio-mediante-espectroscopa%c2%adas-opticas-de-defectos-cristalinos-de-tipo-f-en-monocristales-de-circona-estabilizados-en-fase-cubica-con-y2oe-y-cao\/","title":{"rendered":"Estudio mediante espectroscop\u00edas \u00f3pticas de defectos cristalinos de tipo f en monocristales de circona estabilizados en fase c\u00fabica con y2oe y cao."},"content":{"rendered":"<h2>Tesis doctoral de <strong> Dorcas Ivellise Torres Padilla <\/strong><\/h2>\n<p>Photoluminescence, optical absorption and raman spectra of thermochemically reduced and untreated y- and ca-stabilized cubic zirconia has been investigated. The method of moments and configuracional coordinates has been applied to study the origins and mechanisms of the centers responsible for the luminescence. The results indicated the presence of several emission centers which can be associated with anion vacancies and was tentatively assign to intrinsic f centers and extrinsic f-type centers. The effect of the reduction process results in a decrease in raman activity in the acoustic mode region, a shift in the maximum of the excitation spectra and a decrease and change in the shape of the emission spectra. These variations can be related to a broad absorption band centered at \u00c2\u00bf365 nm. The results indicate that the principal effect of the thermochemically reduction is a redistribution of the initial defects and a generation of a non-random arrangement of oxygen vacancies.<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Estudio mediante espectroscop\u00edas \u00f3pticas de defectos cristalinos de tipo f en monocristales de circona estabilizados en fase c\u00fabica con y2oe y cao.<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Estudio mediante espectroscop\u00edas \u00f3pticas de defectos cristalinos de tipo f en monocristales de circona estabilizados en fase c\u00fabica con y2oe y cao. <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Dorcas Ivellise Torres Padilla <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Complutense de Madrid<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 25\/06\/2015<\/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 Federico Llopis Pl\u00e1<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: jacobo Santamar\u00eda sanchez-barriga <\/li>\n<li>Santiago Exp\u00f3sito paje (vocal)<\/li>\n<li>Miguel angel Garc\u00eda Garc\u00eda-tu\u00f1\u00f3n (vocal)<\/li>\n<li>Mar\u00eda \u00e1ngeles Villegas (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Dorcas Ivellise Torres Padilla Photoluminescence, optical absorption and raman spectra of thermochemically reduced and untreated y- and [&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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