{"id":14249,"date":"2001-03-12T00:00:00","date_gmt":"2001-03-12T00:00:00","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/propiedades-magneticas-de-derivados-intersticales-y-sustitucionales-de-compuestos-intermetalicos-de-hierro-y-tierra-rara\/"},"modified":"2001-03-12T00:00:00","modified_gmt":"2001-03-12T00:00:00","slug":"propiedades-magneticas-de-derivados-intersticales-y-sustitucionales-de-compuestos-intermetalicos-de-hierro-y-tierra-rara","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/fisica\/propiedades-magneticas-de-derivados-intersticales-y-sustitucionales-de-compuestos-intermetalicos-de-hierro-y-tierra-rara\/","title":{"rendered":"Propiedades magn\u00e9ticas de derivados intersticales  y sustitucionales de compuestos intermet\u00e1licos de hierro y tierra rara"},"content":{"rendered":"<h2>Tesis doctoral de <strong> Cristina Luisa Piquer Oliet <\/strong><\/h2>\n<p>Cap\u00edtulo 1  aspectos generales. Introducci\u00f3n a las principales caracter\u00edsticas de los sistemas bajo estudio (compuestos r2fe14bhx y rfe11.5ta0.5 y a conceptos de tipo te\u00f3rico y experimental utilizados de forma recurrente en los cap\u00edtulos posteriores.  cap\u00edtulo 2  anisotrop\u00eda magnetocristalina y anomal\u00edas no-tre en compuestos r2fe14bhx.  1,- estudio experimental exhaustivo, basado fundamentalmente en medidas magn\u00e9ticas, de los compuestos r2fe14bhx (r=gd, pr y dy) que permite discernir entre modificaciones intr\u00ednsecas de la anisotrop\u00eda magnetocristalina (inducci\u00f3n y modificaci\u00f3n de transiciones de fase magn\u00e9ticas), y comportamientos an\u00f3malos en xac(t) asociados a efectos extr\u00ednsecos (anomal\u00edas no tre).  2,- estudio de las modificaciones intr\u00ednsecas de la anisotrop\u00eda magnetocristalina mediante modelos fenomenol\u00f3gicos y de campo el\u00e9ctrico cristalino, que permite concluir que el efecto de la hidrogenaci\u00f3n en las distintas transiciones magn\u00e9ticas, posee el mismo origen: el efecto combinado de la reducci\u00f3n de las contribuciones a la anisotrop\u00eda de las subredes de fe y de r (esta \u00faltima descrita mediante la reducci\u00f3n de los par\u00e1metros de campo cristalino).  3,- desarrollo de un modelo de dos tipos de defectos m\u00f3viles interactuantes con las paredes de dominio del material y correlacionados entre ellos que permite describir los comportamientos an\u00f3malos en xac(t) asociados a efectos extr\u00ednsecos.  cap\u00edtulo 3  espectroscop\u00eda de absorci\u00f3n de rayos x en compuestos r2fe14bhx.  1,- estudio experimental mediante espectroscop\u00eda de absorci\u00f3n de rayos x de diferentes sistemas r-fe dopados intersticialmente y de series r2fe14bhx que permite concluir fundamentalmente que la hidrogenaci\u00f3n disminuye la hibridaci\u00f3n entre las subredes r-fe.  2,- estudio de dicro\u00edsmo circular magn\u00e9tico de series r2fe14bhx que confirma que en estos sistemas la se\u00f1al dicro\u00edca del umbral k(fe) refleja el desdoblamiento de canje de l<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Propiedades magn\u00e9ticas de derivados intersticales  y sustitucionales de compuestos intermet\u00e1licos de hierro y tierra rara<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Propiedades magn\u00e9ticas de derivados intersticales  y sustitucionales de compuestos intermet\u00e1licos de hierro y tierra rara <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Cristina Luisa Piquer Oliet <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Zaragoza<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 03\/12\/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>Juan Bartolom\u00e9 Sanjoaquin<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: Manuel ricardo Ibarra garcia <\/li>\n<li>Jes\u00fas \u00e1ngel Blanco rodr\u00edguez (vocal)<\/li>\n<li>fern\u00e1ndez Grandjean (vocal)<\/li>\n<li>Javier Rubin llera (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Cristina Luisa Piquer Oliet Cap\u00edtulo 1 aspectos generales. Introducci\u00f3n a las principales caracter\u00edsticas de los sistemas bajo [&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":[199,1008,1007,13610],"tags":[45949,45951,45952,45950,14622,26297],"class_list":["post-14249","post","type-post","status-publish","format-standard","hentry","category-fisica","category-fisica-del-estado-solido","category-propiedades-magneticas-de-los-solidos","category-zaragoza","tag-cristina-luisa-piquer-oliet","tag-fernandez-grandjean","tag-javier-rubin-llera","tag-jesus-angel-blanco-rodriguez","tag-juan-bartolome-sanjoaquin","tag-manuel-ricardo-ibarra-garcia"],"_links":{"self":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/posts\/14249","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=14249"}],"version-history":[{"count":0,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/posts\/14249\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/media?parent=14249"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/categories?post=14249"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/tags?post=14249"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}