{"id":110357,"date":"2018-03-11T10:36:19","date_gmt":"2018-03-11T10:36:19","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/estudio-de-los-efectos-de-proximidad-en-nanoparta%c2%adculas-de-oxidos-metalicos-mediante-su-dispersion-en-seco\/"},"modified":"2018-03-11T10:36:19","modified_gmt":"2018-03-11T10:36:19","slug":"estudio-de-los-efectos-de-proximidad-en-nanoparta%c2%adculas-de-oxidos-metalicos-mediante-su-dispersion-en-seco","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/propiedades-opticas-de-materiales\/estudio-de-los-efectos-de-proximidad-en-nanoparta%c2%adculas-de-oxidos-metalicos-mediante-su-dispersion-en-seco\/","title":{"rendered":"Estudio de los efectos de proximidad en nanopart\u00edculas de \u00f3xidos met\u00e1licos mediante su dispersi\u00f3n en seco"},"content":{"rendered":"<h2>Tesis doctoral de <strong> Israel Lorite Villalba <\/strong><\/h2>\n<p>En este trabajo de tesis doctoral se ha desarrollado un nuevo m\u00e9todo de dispersi\u00f3n de nanopart\u00edculas en seco. Con este m\u00e9todo se pueden obtener diferentes grados de dispersi\u00f3n, desde nanopart\u00edculas aisladas hasta grandes aglomerados, sin modificar la estructura de las part\u00edculas individuales. este m\u00e9todo ha sido empleado para dispersar diferentes tipos de nanopart\u00edculas con diversas propiedades. El estudio sistem\u00e1tico ha permitido establecer la relaci\u00f3n entre las propiedades funcionales y el grado de dispersi\u00f3n debido a efectos de proximidad entre las nanopart\u00edculas. el estudio de los efectos de proximidad se ha realizado mediante t\u00e9cnicas avanzadas de caracterizaci\u00f3n \u00f3ptica, que permiten analizar los niveles de energ\u00eda electr\u00f3nicos de las nanopart\u00edculas aisladas y su modificaci\u00f3n al formar aglomerados. De este modo hemos podido seguir la evoluci\u00f3n de dichos niveles energ\u00e9ticos desde los estados de confinamiento cu\u00e1ntico hasta un comportamiento similar al del material en volumen. en particular hemos realizado un estudio mediante espectroscop\u00eda raman, observando que los efectos de proximidad producen desplazamientos y ensanchamientos adicionales que los efectos de confinamiento c\u00faantico del fon\u00f3n o los efectos de temperatura no pueden explicar. con todo ello hemos podido demostrar la existencia de fen\u00f3menos de proximidad entre nanopart\u00edculas de la misma naturaleza que inducen cambios en sus propiedades.<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Estudio de los efectos de proximidad en nanopart\u00edculas de \u00f3xidos met\u00e1licos mediante su dispersi\u00f3n en seco<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Estudio de los efectos de proximidad en nanopart\u00edculas de \u00f3xidos met\u00e1licos mediante su dispersi\u00f3n en seco <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Israel Lorite Villalba <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Polit\u00e9cnica de Madrid<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 18\/07\/2011<\/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 Francisco Fern\u00e1ndez Lozano<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: coral Duro carralero <\/li>\n<li>oscar Rodr\u00edguez de la fuente (vocal)<\/li>\n<li>Juan  Jos\u00e9 Romero fanego (vocal)<\/li>\n<li>Miguel angel Ba\u00f1ares gonzalez (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Israel Lorite Villalba En este trabajo de tesis doctoral se ha desarrollado un nuevo m\u00e9todo de dispersi\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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