{"id":68190,"date":"2018-03-09T22:56:41","date_gmt":"2018-03-09T22:56:41","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/nonlinear-optical-and-structural-properties-of-new-bent-core-liquid-crystal-materials\/"},"modified":"2018-03-09T22:56:41","modified_gmt":"2018-03-09T22:56:41","slug":"nonlinear-optical-and-structural-properties-of-new-bent-core-liquid-crystal-materials","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/cristales-liquidos\/nonlinear-optical-and-structural-properties-of-new-bent-core-liquid-crystal-materials\/","title":{"rendered":"Nonlinear optical and structural properties of new bent-core liquid crystal materials"},"content":{"rendered":"<h2>Tesis doctoral de <strong> Ibon Alonso Villanueva <\/strong><\/h2>\n<p>Las propiedades de los cristales l\u00edquidos los han convertido en el fundamento de numerosas aplicaciones tecnol\u00f3gicas, en particular los ubicuos lcds (liquid crystal displays). Por ello, el estudio de nuevos materiales cristal l\u00edquido ha llegado a ser un campo de investigaci\u00f3n de gran inter\u00e9s. Una labor esencial consiste en identificar la relaci\u00f3n entre la estructura molecular y las propiedades macrosc\u00f3picas del material. Esta tesis pretende ser una peque\u00f1a contribuci\u00f3n a dicha tarea. En concreto, se centra en el estudio de materiales formados por mol\u00e9culas bent-core o banana, un tipo de compuestos con propiedades mesom\u00f3rficas muy en voga desde los a\u00f1os 90. El trabajo realizado se basa en dos ejes fundamentales:  &#8211; el estudio del comportamiento electro\u00f3ptico y \u00f3ptico no lineal en nuevos materiales cristal l\u00edquido tipo banana (bent-core liquid crystals) espec\u00edficamente dise\u00f1ados para conseguir altas eficiencias en la generaci\u00f3n de segundo arm\u00f3nico (gsa) u otras propiedades relevantes, como por ejemplo el fotoalineamiento;  &#8211; el an\u00e1lisis estructural, mediante difracci\u00f3n de rayos x a bajo y alto \u00e1ngulo, de distintas mesofases de inter\u00e9s que presentan texturas no convencionales.  de los cinco cap\u00edtulos dedicados a los resultados, los tres primeros contienen la caracterizaci\u00f3n de nuevos materiales tipo bent-core sintetizados en la universidad de zaragoza: dos series de compuestos con enlaces fotoactivos azo o azoxy y grupos tetrafulvaleno, respectivamente, y otro compuesto con la eficiencia de gsa m\u00e1s alta obtenida en cristales l\u00edquidos. Por otro lado, los dos \u00fatimos cap\u00edtulos se centran en el estudio de dos fases tipo banana de inter\u00e9s fundamental por su propiedades estructurales a nivel mesosc\u00f3pico, la fase oscura y la denominada fase b4.<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Nonlinear optical and structural properties of new bent-core liquid crystal materials<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Nonlinear optical and structural properties of new bent-core liquid crystal materials <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Ibon Alonso Villanueva <\/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 24\/11\/2008<\/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>Cesar L. Folcia Basa<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: rafael Alcala aranda <\/li>\n<li>carsten Tschierske (vocal)<\/li>\n<li>ewa Gorecka (vocal)<\/li>\n<li>joaquin Manuel Barbera gracia (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Ibon Alonso Villanueva Las propiedades de los cristales l\u00edquidos los han convertido en el fundamento de numerosas [&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 center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""}},"footnotes":""},"categories":[6674,12277,12909,149802],"tags":[149805,149804,149806,149803,95325,44772],"class_list":["post-68190","post","type-post","status-publish","format-standard","hentry","category-cristales-liquidos","category-optica-no-lineal","category-pais-vasco-euskal-herriko-unibertsitatea","category-transiciones-de-fase-en-cristales-liquidos","tag-carsten-tschierske","tag-cesar-l-folcia-basa","tag-ewa-gorecka","tag-ibon-alonso-villanueva","tag-joaquin-manuel-barbera-gracia","tag-rafael-alcala-aranda"],"_links":{"self":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/posts\/68190","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/comments?post=68190"}],"version-history":[{"count":0,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/posts\/68190\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/media?parent=68190"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/categories?post=68190"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/tags?post=68190"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}