{"id":8539,"date":"1995-01-01T00:00:00","date_gmt":"1995-01-01T00:00:00","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/1995\/01\/01\/propiedades-electricas-de-electrolitos-solidos-tipo-nefelina-malsio4-mlinakag-estudio-de-las-estructuras-cristalinas-a-25-900-grados-centigrados-y-desarrollo-de-la-medida-de-impedancia-en-agreg\/"},"modified":"1995-01-01T00:00:00","modified_gmt":"1995-01-01T00:00:00","slug":"propiedades-electricas-de-electrolitos-solidos-tipo-nefelina-malsio4-mlinakag-estudio-de-las-estructuras-cristalinas-a-25-900-grados-centigrados-y-desarrollo-de-la-medida-de-impedancia-en-agreg","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/fisica\/propiedades-electricas-de-electrolitos-solidos-tipo-nefelina-malsio4-mlinakag-estudio-de-las-estructuras-cristalinas-a-25-900-grados-centigrados-y-desarrollo-de-la-medida-de-impedancia-en-agreg\/","title":{"rendered":"Propiedades electricas de electrolitos solidos tipo nefelina m(alsio4) m=li,na,k,ag. estudio de las estructuras cristalinas a 25-900 grados centigrados y desarrollo de la medida de impedancia en agregados cristalinos."},"content":{"rendered":"<h2>Tesis doctoral de <strong> Ricardo Jimenez Rioboo <\/strong><\/h2>\n<p>En este trabajo se estudia la influencia de la naturaleza del cation compensador sobre la estructura y propiedades de difusion (conductividad ionica) en nefelina.Se han hecho refinamientos con datos de ifraccion en polvo, mediante el metodo de rietveld, encontrandose cambios estructurales como consecuencia del cambio del cation.Se ha seguido la evolucion de las estructuras cristalinas con la temperatura mediante una camara de guinier-lenne desde temperatura ambiente hasta los 900 c. Una vez conocidas las estructuras cristalinas y su variacion con la temperatura, hemos realizado la caracterizacion electrica de las fases mediante medidas de impedancia sobre pastillas de polvo prensado. Hemos encontrado una buena correlacion entre la distribucion del volumen accesible y los resultados conductividad ionica. La aplicacion de la teoria g.E.M.T. (Teoria generalizada del medio efectivo) a los datos de impedancia de la pastilla de nefelina, ha permitido conocer la anisotropia de la conductividad ionica en el material.<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Propiedades electricas de electrolitos solidos tipo nefelina m(alsio4) m=li,na,k,ag. estudio de las estructuras cristalinas a 25-900 grados centigrados y desarrollo de la medida de impedancia en agregados cristalinos.<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Propiedades electricas de electrolitos solidos tipo nefelina m(alsio4) m=li,na,k,ag. estudio de las estructuras cristalinas a 25-900 grados centigrados y desarrollo de la medida de impedancia en agregados cristalinos. <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Ricardo Jimenez Rioboo <\/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\/1995<\/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 Gregorkiewitz<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: Vicente Fernandez Herrero <\/li>\n<li>Victoriano Lopez Rodriguez (vocal)<\/li>\n<li> Rojo Martin Jos\u00e9 Mar\u00eda (vocal)<\/li>\n<li> Alonso Alonso Jos\u00e9 Antonio (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Ricardo Jimenez Rioboo En este trabajo se estudia la influencia de la naturaleza del cation compensador sobre [&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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