{"id":88990,"date":"2018-03-10T00:14:03","date_gmt":"2018-03-10T00:14:03","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/una-contribucion-al-estudio-estructural-magnetico-y-electrico-de-las-perovskitas-de-cobalto-la1-x-m-x-coo3m2ca2sr2ba2-preparadas-mediante-distintos-metodos-de-sintesis\/"},"modified":"2018-03-10T00:14:03","modified_gmt":"2018-03-10T00:14:03","slug":"una-contribucion-al-estudio-estructural-magnetico-y-electrico-de-las-perovskitas-de-cobalto-la1-x-m-x-coo3m2ca2sr2ba2-preparadas-mediante-distintos-metodos-de-sintesis","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/fisica\/una-contribucion-al-estudio-estructural-magnetico-y-electrico-de-las-perovskitas-de-cobalto-la1-x-m-x-coo3m2ca2sr2ba2-preparadas-mediante-distintos-metodos-de-sintesis\/","title":{"rendered":"Una contribucion al estudio estructural, magnetico y electrico de las perovskitas de cobalto la1-x m x coo3(m2+=ca2+,sr2+,ba2+) preparadas mediante distintos metodos de sintesis"},"content":{"rendered":"<h2>Tesis doctoral de <strong>  Breijo Lopez M. Paz <\/strong><\/h2>\n<p>En este trabajo se han preparado compuestos de las series la1-xmxcoc3 (m2+=ca2+,sr2+,ba2+) utilizando distintos metodos de sintesis(metodos ceramico, de coprecipitacion, de descomposicion de nitratos y de combusti\u00f3n) y con distinto tama\u00f1o de particula. Se ha realizado su caracterizaci\u00f3n estructural y se han estudiado sus propiedades magneticas y de transporte electrico. Los resultados obtenidos corroboran que estos compuestos son inhomogeneos electronicamente.  se ha profundizado, adem\u00e1s, en aspectos concretos no abordados con anterioridad en la bibliografia tales como las peculiaridades de las muestras con concentraciones proximas al limite de percolaci\u00f3n electrica (comportamiento semiconductor reentrante, efectos di\u00f3dicos, evoluci\u00f3n temporal,magnetorresistencia, efectos de relajacion, ruidos).  tambien se ha observado que si bien los tres sistemas la1-xmxcoo3 (m2-=ca2+,sr2+,ba2+) responden al mismo esquema general, existen diferencias entre ellos debido a la influencia de la naturaleza del cati\u00f3n divalente sobre la estructura cristalina y electronica de estos sistemas. Adem\u00e1s, sus propiedades magn\u00e9ticas y el\u00e9ctricas son muy sensibles a las caracter\u00edsticas del m\u00e9todo de obtenci\u00f3n empleado.<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Una contribucion al estudio estructural, magnetico y electrico de las perovskitas de cobalto la1-x m x coo3(m2+=ca2+,sr2+,ba2+) preparadas mediante distintos metodos de sintesis<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Una contribucion al estudio estructural, magnetico y electrico de las perovskitas de cobalto la1-x m x coo3(m2+=ca2+,sr2+,ba2+) preparadas mediante distintos metodos de sintesis <\/li>\n<li><strong>Autor:<\/strong>\u00a0  Breijo Lopez M. Paz <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Santiago de compostela<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 23\/02\/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>Jose Rivas Rey<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: Jos\u00e9 Carlos Gomez sal <\/li>\n<li>Carlos de Francisco garrido (vocal)<\/li>\n<li> I\u00f1iguez de la torre y bayo Jos\u00e9 ignacio (vocal)<\/li>\n<li>socorro Castro Garc\u00eda (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Breijo Lopez M. Paz En este trabajo se han preparado compuestos de las series la1-xmxcoc3 (m2+=ca2+,sr2+,ba2+) utilizando [&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":[332,987,199,740,1125,977,1126],"tags":[185423,2930,3027,10432,2493,2588],"class_list":["post-88990","post","type-post","status-publish","format-standard","hentry","category-ciencias-tecnologicas","category-electromagnetismo","category-fisica","category-magnetismo","category-propiedades-de-materiales","category-santiago-de-compostela","category-tecnologia-de-materiales","tag-breijo-lopez-m-paz","tag-carlos-de-francisco-garrido","tag-iniguez-de-la-torre-y-bayo-jose-ignacio","tag-jose-carlos-gomez-sal","tag-jose-rivas-rey","tag-socorro-castro-garcia"],"_links":{"self":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/posts\/88990","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=88990"}],"version-history":[{"count":0,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/posts\/88990\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/media?parent=88990"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/categories?post=88990"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/tags?post=88990"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}