{"id":89120,"date":"2001-02-03T00:00:00","date_gmt":"2001-02-03T00:00:00","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/estructura-y-estado-orientacionales-en-compuestos-ferro-y-co-elasticos-casodel-ch34ncdcl3-y-compuestos-de-inclusion-de-urea\/"},"modified":"2001-02-03T00:00:00","modified_gmt":"2001-02-03T00:00:00","slug":"estructura-y-estado-orientacionales-en-compuestos-ferro-y-co-elasticos-casodel-ch34ncdcl3-y-compuestos-de-inclusion-de-urea","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/fisica\/estructura-y-estado-orientacionales-en-compuestos-ferro-y-co-elasticos-casodel-ch34ncdcl3-y-compuestos-de-inclusion-de-urea\/","title":{"rendered":"Estructura y estado orientacionales en compuestos ferro y co-el\u00e1sticos: casodel (ch3)4ncdcl3 y compuestos de inclusi\u00f3n de urea"},"content":{"rendered":"<h2>Tesis doctoral de <strong> Inmaculada Peral Alonso <\/strong><\/h2>\n<p>Se ha estudiado la estructura as\u00ed como su evoluci\u00f3n en funci\u00f3n de la temperatura en dos familias de s\u00f3lidos cristalinos co-el\u00e1sticos. Se han elegido dos familias de naturaleza bien distinta (compuestos de inclusi\u00f3n de urea y compuestos de la famlia abx3) pero que comparten el car\u00e1cter co-el\u00e1stico de las transiciones y que est\u00e1n constituidas, al menos en parte, por mol\u00e9culas org\u00e1nicas. No ha sido posible caracterizar la evoluci\u00f3n de la estrucutra debido,principalmente, a la aprici\u00f3n de una complicada estructura de estados orientacionales en las fases de baja temepratura. La literatura sobre los estados orientacionales en estos ocmpuestos es confusa. En esta tesis se describe la complicada estructua de los estados orientacionales que coesxisten en muestras monocristalinas a bajas temperaturas.Adem\u00e1s el estudio de la estructura, a\u00fan no siendo completo, ha dado sus frutos puesto que se dan modelos sobre el empaquetamiento y simetr\u00eda en los compuestos de inclusi\u00f3n de urea y tambi\u00e9n se ha confiramdo el car\u00e1cter ferroel\u00e1stico de la transici\u00f3n de fase del compuesto (ch3)4ncdcl3 de la familia abx3.<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Estructura y estado orientacionales en compuestos ferro y co-el\u00e1sticos: casodel (ch3)4ncdcl3 y compuestos de inclusi\u00f3n de urea<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Estructura y estado orientacionales en compuestos ferro y co-el\u00e1sticos: casodel (ch3)4ncdcl3 y compuestos de inclusi\u00f3n de urea <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Inmaculada Peral Alonso <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Pa\u00eds vasco\/euskal herriko unibertsitatea<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 02\/03\/2001<\/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>Gotzon Madariaga Men\u00e9ndez<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal:  Z\u00fa\u00f1iga lagares Francisco javier <\/li>\n<li>hans Boysen (vocal)<\/li>\n<li>janine Etrillard (vocal)<\/li>\n<li>catalina Ru\u00edz p\u00e9rez (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Inmaculada Peral Alonso Se ha estudiado la estructura as\u00ed como su evoluci\u00f3n en funci\u00f3n de la temperatura [&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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