{"id":51911,"date":"2021-12-05T16:41:42","date_gmt":"2021-12-05T16:41:42","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/magnetoestriccion-y-orden-magnetico-en-compuestos-intermetalicos-cubicos-tierra-para-ni2\/"},"modified":"2021-12-05T16:41:42","modified_gmt":"2021-12-05T16:41:42","slug":"magnetoestriccion-y-orden-magnetico-en-compuestos-intermetalicos-cubicos-tierra-para-ni2","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/fisica\/magnetoestriccion-y-orden-magnetico-en-compuestos-intermetalicos-cubicos-tierra-para-ni2\/","title":{"rendered":"Magnetoestriccion y orden magnetico en compuestos intermetalicos cubicos tierra para-ni2"},"content":{"rendered":"<h2>Tesis doctoral de <strong> Manuel Ricardo Ibarra Garcia <\/strong><\/h2>\n<p>Se ha realizado un estudio sobre los compuestos intermetalicos cubicos trni2 desde el punto de vista del orden magnetico asi como de la magnetoestriccion. Para ello hemos realizado medidas de dilatacion termica mediante la tecnica de  strain-gauces  para temperaturas entre 4 y 300 k en los compuestos trni2 con tr=la  pr  nd sm  ce  y  gd  tb  dy  ho  er  tm; asi como de imanacion por el metodo de extraccion para los compuestos con tr=nd sm  gd  tb  dy  ho  er  tm  para campos magneticos de hasta 20.4 koc y temperaturas superiores a 4 k; estas medidas nos han permitido determinar las temperaturas de curie y de debye asi como las isotermas de imanacion.  hemos realizado medidas de magnetoestriccion  mediante la tecnica de  strain gauges  para los compuestos con tr=nd sm  pr  ce  gd  tb  dy  ho  er y tm que han sido interpretadas en el marco de la teoria para un ion en c.  cristalino deformado; determinando los parametros de acoplo magnetoelastico m gamma-2 (tetragonal) y m epsilon-2 (romboedrico)  asi como de la teoria de callen y callen en la aproximacion de campo molecular (i s\/2 cl-1 (m))  adecuadamente adaptadas a sistemas policristalinos.<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Magnetoestriccion y orden magnetico en compuestos intermetalicos cubicos tierra para-ni2<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Magnetoestriccion y orden magnetico en compuestos intermetalicos cubicos tierra para-ni2 <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Manuel Ricardo Ibarra Garcia <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Zaragoza<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 01\/01\/1983<\/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>Agustin Del Moral Gamiz<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: Maximino Rodriguez Vidal <\/li>\n<li>Domingo Gonzalez Alvarez (vocal)<\/li>\n<li>Antonio Hernando Grande (vocal)<\/li>\n<li>Rafael Alcala Aranda (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Manuel Ricardo Ibarra Garcia Se ha realizado un estudio sobre los compuestos intermetalicos cubicos trni2 desde el [&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 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