{"id":3646,"date":"1994-01-01T00:00:00","date_gmt":"1994-01-01T00:00:00","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/1994\/01\/01\/determinacion-de-las-propiedades-opticas-en-el-infrarrojo-del-gamma-fe2o3\/"},"modified":"1994-01-01T00:00:00","modified_gmt":"1994-01-01T00:00:00","slug":"determinacion-de-las-propiedades-opticas-en-el-infrarrojo-del-gamma-fe2o3","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/fisica\/determinacion-de-las-propiedades-opticas-en-el-infrarrojo-del-gamma-fe2o3\/","title":{"rendered":"Determinacion de las propiedades opticas en el infrarrojo del gamma-fe2o3"},"content":{"rendered":"<h2>Tesis doctoral de <strong> Carlos Pecharrom\u00e1n Garc\u00eda <\/strong><\/h2>\n<p>El objetivo de este trabajo ha sido el calculo de las propiedades opticas en el ir de un material como el -fe2o3 que solo puede sintetizarse en forma de microparticulas, pudiendo generalizarse el metodo de medida a otros materiales que no pueden ser obtenidos en forma de monocristales. Se han desarrollado procedimientos experimentales que han conducido a la obtencion de agregados de polvo autoportantes con superficies especulares susceptibles de ser analizadas con la tecnica espectroscopica de reflectancia especular.  con el fin de procesar la informacion obtenida se ha tenido que introducir una nueva teoria denominada gemt, que ha explicado satisfactoriamente todas las propiedades dielectricas de estos agregados. El uso de la ecuacion gemt, ademas de predecir el comportamiento de un agregado de particulas tambien puede utilizarse para determinar la corriente dielectrica del material a partir de datos del agregado. De este modo se han calculado las constantes opticas de las tres variantes estructurales en las cuales puede cristalizar el  -fe2o3, fd3m, p4132, p43212. Estos datos han sido comprobados experimentalmente. Se puede afirmar que con este trabajo se ha creado un nuevo procedimiento para medir las propiedades optica de microparticulas.<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Determinacion de las propiedades opticas en el infrarrojo del gamma-fe2o3<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Determinacion de las propiedades opticas en el infrarrojo del gamma-fe2o3 <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Carlos Pecharrom\u00e1n Garc\u00eda <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Aut\u00f3noma de Madrid<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 01\/01\/1994<\/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>Juan  Eugenio Iglesias Perez<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: Jos\u00e9 Mar\u00eda Serratosa Marquez <\/li>\n<li> Escudero Soto Jos\u00e9 Luis (vocal)<\/li>\n<li>Fernando Agullo Lopez (vocal)<\/li>\n<li>Manuel Nieto Vesperinas (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Carlos Pecharrom\u00e1n Garc\u00eda El objetivo de este trabajo ha sido el calculo de las propiedades opticas en [&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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