{"id":39728,"date":"1999-01-01T00:00:00","date_gmt":"1999-01-01T00:00:00","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/caracterizacion-estructural-de-nuevos-oxidos-de-cobalto-relacionados-con-el-tipo-2h\/"},"modified":"1999-01-01T00:00:00","modified_gmt":"1999-01-01T00:00:00","slug":"caracterizacion-estructural-de-nuevos-oxidos-de-cobalto-relacionados-con-el-tipo-2h","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/quimica\/caracterizacion-estructural-de-nuevos-oxidos-de-cobalto-relacionados-con-el-tipo-2h\/","title":{"rendered":"Caracterizacion estructural de nuevos oxidos de cobalto relacionados con el tipo 2h."},"content":{"rendered":"<h2>Tesis doctoral de <strong> Khalid Boulahya <\/strong><\/h2>\n<p>El tipo estructural 2h-bacoo3 est\u00e1 constituido por cadenas de octaedros que comparten caras a lo largo del eje c mientras que el \u00f3xido ca3co2o6 presenta cadenas similares en las que alternan octaedros y prisma trigonales. Por medio del control riguroso de la estequiometr\u00eda y de la temperatura de s\u00edntesis se han podido sintetizar numerosos \u00f3xidos nuevos del sistema a-co-o (a=ba, sr,ca) que, de acuerdo con el estudio estructural realizado por difracci\u00f3n de electrones y microscop\u00eda electr\u00f3nica de alta resoluci\u00f3n, presentan estructuras intermedias que se pueden clasificar en dos series hom\u00f3logas que difieren en su simetr\u00eda y mantienen en todos los casos el empaquetamiento hexagonal &#8230;Abab&#8230;  as\u00edmismo, se ha determinado la estructura del nuevo \u00f3xido ba3co2o6(co3)o.64 y refinado la del compuesto ba2coo4 de simetr\u00eda monocl\u00ednica que, en ambos casos, mantienen el empaquetameinto ..Abab&#8230;  las t\u00e9cnicas de caracterizaci\u00f3n estructural utilizadas han sido las de difracci\u00f3n de rayos x, neutrones y electrones y la microscop\u00eda electr\u00f3nica de alta resoluci\u00f3n.<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Caracterizacion estructural de nuevos oxidos de cobalto relacionados con el tipo 2h.<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Caracterizacion estructural de nuevos oxidos de cobalto relacionados con el tipo 2h. <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Khalid Boulahya <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Complutense de Madrid<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 01\/01\/1999<\/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>Marina Marta Parras V\u00e1zquez<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: Mar\u00eda Vallet reg\u00ed <\/li>\n<li>angel Vegas molina (vocal)<\/li>\n<li>Juan Rodriguez carvajal (vocal)<\/li>\n<li>Rafael Garcia roja (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Khalid Boulahya El tipo estructural 2h-bacoo3 est\u00e1 constituido por cadenas de octaedros que comparten caras a lo [&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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