{"id":728,"date":"1994-01-01T00:00:00","date_gmt":"1994-01-01T00:00:00","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/1994\/01\/01\/preparacion-de-oxidos-mixtos-mediante-el-metodo-de-combustion-caracterizacion-estructural-estudio-de-propiedades-magneticas-de-bafe12o19\/"},"modified":"1994-01-01T00:00:00","modified_gmt":"1994-01-01T00:00:00","slug":"preparacion-de-oxidos-mixtos-mediante-el-metodo-de-combustion-caracterizacion-estructural-estudio-de-propiedades-magneticas-de-bafe12o19","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/quimica\/preparacion-de-oxidos-mixtos-mediante-el-metodo-de-combustion-caracterizacion-estructural-estudio-de-propiedades-magneticas-de-bafe12o19\/","title":{"rendered":"\u00abpreparacion de oxidos mixtos mediante el metodo de combustion. caracterizacion estructural. estudio de propiedades magneticas de bafe12o19\u00bb"},"content":{"rendered":"<h2>Tesis doctoral de <strong> Socorro Castro Garc\u00eda <\/strong><\/h2>\n<p>Se ha puesto a punto el metodo de combustion para realizar la sintesis de particulas de oxidos mixtos, aplicandolo a la preparacion de bafe2o4, bafe12o19 e yba2cu3o7-x. Este metodo permite la obtencion rapida y sencilla de particulas de peque\u00f1o tama\u00f1o mediante la combustion de una mezcla redox de nitratos metalicos y un compuesto organico, que actuan como oxidantes y fuel, respectivamente.  se han analizado la composicion y granulometria de las muestras mediante difraccion de rayos x del polvo cristalino y mediante tem.  estudios detallados mediante espectroscopia mossbauer y magnetometria (vsm y squid) han puesto de manifiesto la situacion de compromiso a la hora de obtener particulas de bafe12o19 de gran pureza (sin presencia de fases parasito y con una optima distribucion de los cationes en la red) y con un tama\u00f1o de grano que no supere el tama\u00f1o del monodominio, con valores elevados de imanacion y campo coercitivo. Se han conseguido optimos resultados en el caso de muestras obtenidas por dicho metodo y tratadas a 850 c, que presentan menos de 1% de fases parasito, tama\u00f1os de grano en torno a 0.1-0.2  m y valores de hc=4500-5500 oe.<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>\u00abpreparacion de oxidos mixtos mediante el metodo de combustion. caracterizacion estructural. estudio de propiedades magneticas de bafe12o19\u00bb<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 \u00abpreparacion de oxidos mixtos mediante el metodo de combustion. caracterizacion estructural. estudio de propiedades magneticas de bafe12o19\u00bb <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Socorro Castro Garc\u00eda <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Santiago de compostela<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 01\/01\/1994<\/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>Miguel Gayoso Andrade<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: Manuel Rafael Bermejo Pati\u00f1o <\/li>\n<li>Marc Greneche Jean (vocal)<\/li>\n<li>Mar\u00eda Vallet Reg\u00ed (vocal)<\/li>\n<li>D. Sanchez Rodolfo (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Socorro Castro Garc\u00eda Se ha puesto a punto el metodo de combustion para realizar la sintesis de [&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":[2587,199,1008,1007,17,20,977],"tags":[2592,2589,2590,2591,649,2588],"class_list":["post-728","post","type-post","status-publish","format-standard","hentry","category-elementos-de-transicion","category-fisica","category-fisica-del-estado-solido","category-propiedades-magneticas-de-los-solidos","category-quimica","category-quimica-inorganica","category-santiago-de-compostela","tag-d-sanchez-rodolfo","tag-manuel-rafael-bermejo-patino","tag-marc-greneche-jean","tag-maria-vallet-regi","tag-miguel-gayoso-andrade","tag-socorro-castro-garcia"],"_links":{"self":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/posts\/728","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=728"}],"version-history":[{"count":0,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/posts\/728\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/media?parent=728"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/categories?post=728"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/tags?post=728"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}