{"id":73452,"date":"2005-07-04T00:00:00","date_gmt":"2005-07-04T00:00:00","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/propiedades-optoelectronicas-de-nanocristales-semiconductores\/"},"modified":"2005-07-04T00:00:00","modified_gmt":"2005-07-04T00:00:00","slug":"propiedades-optoelectronicas-de-nanocristales-semiconductores","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/fisica\/propiedades-optoelectronicas-de-nanocristales-semiconductores\/","title":{"rendered":"Propiedades optoelectronicas de nanocristales semiconductores"},"content":{"rendered":"<h2>Tesis doctoral de <strong>  Diaz Garcia Jos\u00e9 Gabriel <\/strong><\/h2>\n<p>Los m\u00e9todos kp y tight-binding, que inicialmente fueron dise\u00f1ados para predecir las propiedades del s\u00f3lido extendido, han sido adaptados para describir las propiedades optoelectr\u00f3nicas de nanoestructuras semiconductoras. el hamiltoniano kp de 4 bandas para huecos y la ecuaci\u00f3n de masa efectiva en el modelo de 1 banda para electrones se han discretizado en coordenadas cil\u00edndricas, con el objetivo de estudiar los efectos de la aplicaci\u00f3n de un campo magn\u00e9tico sobre el espectro energ\u00e9tico de los nanocristales y las propiedades colectivas en sistemas de puntos cu\u00e1nticos acoplados. Entre los resultados obtenidos cabe destacar que el acoplamiento entre nanocristales con topolog\u00eda de antidot provoca una importante estabilizaci\u00f3n energ\u00e9tica de la minibanda fundamental, la cual permanece inalterada frente a la acci\u00f3n de un campo magn\u00e9tico. El modelo tight-binding de primeros vecinos que se ha implementado utiliza una base sp3s* para describir cada \u00e1tomo del nanocristal. Este modelo atomista permite la descripci\u00f3n detallada de la estructura \u00f3ptica fina de los nanocristales. Se ha evidenciado que los espectros te\u00f3ricos de absorci\u00f3n con luz polarizada en la direcci\u00f3n z permiten discriminar entre geometr\u00edas que la microscop\u00eda electr\u00f3nica no es capaz de discernir.<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Propiedades optoelectronicas de nanocristales semiconductores<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Propiedades optoelectronicas de nanocristales semiconductores <\/li>\n<li><strong>Autor:<\/strong>\u00a0  Diaz Garcia Jos\u00e9 Gabriel <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Jaume i de castell\u00f3n<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 07\/04\/2005<\/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> Planelles Fuster Josep Hilari<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal:  Nebot gil ignacio jose <\/li>\n<li>francesc Illas riera (vocal)<\/li>\n<li>wlodek Jaskolski (vocal)<\/li>\n<li>federico Garcia moliner (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Diaz Garcia Jos\u00e9 Gabriel Los m\u00e9todos kp y tight-binding, que inicialmente fueron dise\u00f1ados para predecir las propiedades [&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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