{"id":86377,"date":"2018-03-10T00:10:58","date_gmt":"2018-03-10T00:10:58","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/inversion-de-polarizacion-y-comportamiento-cra%c2%adtico-en-ferroelectricos-de-la-familia-del-tgs1-x-dtgsx\/"},"modified":"2018-03-10T00:10:58","modified_gmt":"2018-03-10T00:10:58","slug":"inversion-de-polarizacion-y-comportamiento-cra%c2%adtico-en-ferroelectricos-de-la-familia-del-tgs1-x-dtgsx","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/fisica\/inversion-de-polarizacion-y-comportamiento-cra%c2%adtico-en-ferroelectricos-de-la-familia-del-tgs1-x-dtgsx\/","title":{"rendered":"Inversi\u00f3n de polarizaci\u00f3n y comportamiento cr\u00edtico en ferroel\u00e9ctricos de la familia del (tgs)1-x (dtgs)x"},"content":{"rendered":"<h2>Tesis doctoral de <strong> Carmen Arago Lopez <\/strong><\/h2>\n<p>En esta memoria se presentan los resultados del estudio sobre inversi\u00f3n de polarizaci\u00f3n o \u00abswitching\u00bb a campos bajos en ferroel\u00e9ctricos de la familia del tgs. Se ha estudiado la dependencia del proceso con el campo aplicado, temperatura y composici\u00f3n, y se ha propuesto un modelo microsc\u00f3pico basado en la estructura de dominios para explicar los resultados experimentales.  asimismo se ha estudiado el efecto de la deuteraci\u00f3n sobre la evoluci\u00f3n del orden de la transici\u00f3n ferroel\u00e9ctrica, mediante medidas de polarizaci\u00f3n espont\u00e1nea, constante diel\u00e9ctrica y espectroscop\u00eda brillouin.  se ha propuesto tambien un modelo de campo efectivo cuantico para explicar la dependencia de la temperatura critica con la deuteraci\u00f3n. Tambi\u00e9n se presentan resultados de simulaciones de monte carlo cl\u00e1sicas y con efectos cu\u00e1nticos.  por \u00faltimo se analiza la relaci\u00f3n entre el car\u00e1cter de la transici\u00f3n ferroel\u00e9ctrica(orden-desorden vs, desplazativa) y el orden de la misma en t\u00e9rminos del parametro de rhodes-wolfarth y de la entrop\u00eda de transici\u00f3n.<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Inversi\u00f3n de polarizaci\u00f3n y comportamiento cr\u00edtico en ferroel\u00e9ctricos de la familia del (tgs)1-x (dtgs)x<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Inversi\u00f3n de polarizaci\u00f3n y comportamiento cr\u00edtico en ferroel\u00e9ctricos de la familia del (tgs)1-x (dtgs)x <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Carmen Arago Lopez <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Aut\u00f3noma de Madrid<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 15\/09\/2000<\/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> Gonzalo Gonzalez Julio A.<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: Francisco Jaque rechea <\/li>\n<li>Jos\u00e9 De frutos  vaquerizo (vocal)<\/li>\n<li>Jes\u00fas Mendiola d\u00edaz (vocal)<\/li>\n<li>Manuel Tello leon (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Carmen Arago Lopez En esta memoria se presentan los resultados del estudio sobre inversi\u00f3n de polarizaci\u00f3n o [&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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