{"id":123113,"date":"2024-12-23T05:32:52","date_gmt":"2024-12-23T05:32:52","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/preparacion-y-estudio-de-nuevos-oxidos-de-antimonio-iii-e-itrio-o-metales-de-la-serie-4f\/"},"modified":"2024-12-23T05:32:52","modified_gmt":"2024-12-23T05:32:52","slug":"preparacion-y-estudio-de-nuevos-oxidos-de-antimonio-iii-e-itrio-o-metales-de-la-serie-4f","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/quimica\/preparacion-y-estudio-de-nuevos-oxidos-de-antimonio-iii-e-itrio-o-metales-de-la-serie-4f\/","title":{"rendered":"Preparacion y estudio de nuevos oxidos de antimonio (iii) e itrio o metales de la serie 4f."},"content":{"rendered":"<h2>Tesis doctoral de <strong>  Marcano Fermin Cenis Mar\u00eda <\/strong><\/h2>\n<p>Se han preparado  al vacio  15 oxidos de composicion m sub 3 sb sub 5 o sub 12 (m=y la  ce  pr  hd  sm  ev  gd tb  dy  ho  er  tm  yb  lu)  que se han caracterizado por difraccion de rayos x  medida de susceptibilidades magneticas  absorcion ir  analisis termico (atd  atg dta) microscopia electronica  difraccion de electrones y medidas de ferroelectricidad. Se ha determinado la estructura cristalina de gd sub 3 sb sub 5 o sub 12 en cristales preparados por sintesis hidrotermal. El compuesto es cubico  g.E.I43m (n 217)  z=4. Se han determinado las posiciones atomicas y los factores de temperatura anisotropicos hasta un valor de r=0.054  asi como las distancias interatomicas y los angulos de los poliedros. Se han refinado las muestras policristalinas enlas mismas posiciones del cristal gd sub 3 sb sub 5 o sub 12  con ligeras desviaciones.<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Preparacion y estudio de nuevos oxidos de antimonio (iii) e itrio o metales de la serie 4f.<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Preparacion y estudio de nuevos oxidos de antimonio (iii) e itrio o metales de la serie 4f. <\/li>\n<li><strong>Autor:<\/strong>\u00a0  Marcano Fermin Cenis Mar\u00eda <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Complutense de Madrid<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 01\/01\/1987<\/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>Isidoro Rasines Linares<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: Miguel Angel Alarios Franco <\/li>\n<li>Oscar Garcia Martinez (vocal)<\/li>\n<li>Enrique Gutierrez Rios (vocal)<\/li>\n<li>Antonio Pero-sanz Elorz (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Marcano Fermin Cenis Mar\u00eda Se han preparado al vacio 15 oxidos de composicion m sub 3 sb [&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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