{"id":53103,"date":"2018-03-09T22:40:45","date_gmt":"2018-03-09T22:40:45","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/propiedades-electronicas-de-materiales-cristalinos-observadas-mediente-difraccion-resonante-de-rayos-x\/"},"modified":"2018-03-09T22:40:45","modified_gmt":"2018-03-09T22:40:45","slug":"propiedades-electronicas-de-materiales-cristalinos-observadas-mediente-difraccion-resonante-de-rayos-x","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/fisica\/propiedades-electronicas-de-materiales-cristalinos-observadas-mediente-difraccion-resonante-de-rayos-x\/","title":{"rendered":"Propiedades electronicas de materiales cristalinos observadas mediente difraccion resonante de rayos x"},"content":{"rendered":"<h2>Tesis doctoral de <strong> Javier Fernandez Rodriguez <\/strong><\/h2>\n<p>En este trabajo, se ha llevado a cabo un an\u00e1lisis de datos de difracci\u00f3n resonante de rayos x utiliando un modelo at\u00f3mico para la detecci\u00f3n de ordenamientos de momentos multipolares y magn\u00e9tico. Los materiales estudiados son: a) el compuesto gdb4, b) el sistema metal-aislante v2 o3.  en el caso del material gdb4,  las intensidades de difracci\u00f3n resonante de rayos x son analizadas en t\u00e9rminos de las posibles configuraciones magn\u00e9ticas, teniendo en cuenca  posibles transiciones estructurales de fase a grupos de espacio diferentes del grupo de espacio de alta temperatura. El  par\u00e1metro de orden de la transici\u00f3n cuadrupolar es identificado y a partir de  los ajustes de las  intensidades calculadas a los datos de que se dispone se obtiene el par\u00e1metro que relaciona el momento cuadrupolar con el momento magn\u00e9tico. Tambi\u00e9n se concluye que la simetr\u00eda del material permite el efecto magnetoel\u00e9ctrico. Adem\u00e1s, se predicen los resultados de un posible experimento de difracci\u00f3n magn\u00e9tica no resonante en una muestra de polvo del compuesto gdb4.  en el sistema metal-aislante v2o3 las intensidades medidas son ajustadas a la combinaci\u00f3n de las intensidades e2 y e1-e2. Los par\u00e1metros at\u00f3micos dan informaci\u00f3n de los momentos octupolar y anapolar de los \u00e1tomos de vanadio.Tambi\u00e9n se ha realizado una b\u00fasqueda de las  reflexiones m\u00e1s adecuadas para la realizaci\u00f3n de un nuevo experimento  que aportar\u00eda un mejor conocimiento de las contribuciones de tipo e1-e2 a la intensidad,  y una mejor estimaci\u00f3n de los par\u00e1metros at\u00f3micos relacionados con el momento anapolar<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Propiedades electronicas de materiales cristalinos observadas mediente difraccion resonante de rayos x<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Propiedades electronicas de materiales cristalinos observadas mediente difraccion resonante de rayos x <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Javier Fernandez Rodriguez <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Oviedo<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 14\/06\/2006<\/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>Jes\u00fas \u00e1ngel Blanco Rodr\u00edguez<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal:  Bordas  i  orpinell joan <\/li>\n<li>rino Natoli calogero (vocal)<\/li>\n<li>joaquin Garcia ruiz (vocal)<\/li>\n<li>urs Staub (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Javier Fernandez Rodriguez En este trabajo, se ha llevado a cabo un an\u00e1lisis de datos de difracci\u00f3n [&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":[987,14801,199,1008,740,8846,56920],"tags":[30454,117196,45950,72292,117197,117198],"class_list":["post-53103","post","type-post","status-publish","format-standard","hentry","category-electromagnetismo","category-estados-electronicos-en-los-solidos","category-fisica","category-fisica-del-estado-solido","category-magnetismo","category-oviedo","category-rayos-x","tag-bordas-i-orpinell-joan","tag-javier-fernandez-rodriguez","tag-jesus-angel-blanco-rodriguez","tag-joaquin-garcia-ruiz","tag-rino-natoli-calogero","tag-urs-staub"],"_links":{"self":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/posts\/53103","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=53103"}],"version-history":[{"count":0,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/posts\/53103\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/media?parent=53103"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/categories?post=53103"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/tags?post=53103"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}