{"id":57069,"date":"2018-03-09T22:44:50","date_gmt":"2018-03-09T22:44:50","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/magnetoimpedancia-de-muestras-planas-en-alta-frecuencia\/"},"modified":"2018-03-09T22:44:50","modified_gmt":"2018-03-09T22:44:50","slug":"magnetoimpedancia-de-muestras-planas-en-alta-frecuencia","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/magnetismo\/magnetoimpedancia-de-muestras-planas-en-alta-frecuencia\/","title":{"rendered":"Magnetoimpedancia de muestras planas en alta frecuencia"},"content":{"rendered":"<h2>Tesis doctoral de <strong>  Cos Elices David De <\/strong><\/h2>\n<p>La magnetoimpedancia (gmi) es la variaci\u00f3n de impedancia el\u00e9ctrica que presentan los materiales ferromagn\u00e9ticos ante cambios de un campo magn\u00e9tico externo, debida al efecto pelicular (profundidad de penetraci\u00f3n del campo electromagn\u00e9tico dependiente de la permeabilidad del material). Este fen\u00f3meno ha sido objeto de numerosas investigaciones en los \u00faltimos quince a\u00f1os, dado el inter\u00e9s que suscita su gran sensibilidad frente a campos muy peque\u00f1os, lo cual presenta numerosas aplicaciones pr\u00e1cticas.     existen varios tipos de muestra que presentan gmi, entre las cu\u00e1les destacan las pel\u00edculas delgadas multicapa, por sus elevadas prestaciones y su capacidad para ser integradas en procesos automatizados de fabricaci\u00f3n industrial. La forma b\u00e1sica de estas muestras es del tipo f\/c\/f, donde f representa una capa de material ferromagn\u00e9tico y c una capa de conductor no magn\u00e9tico.     el espesor de las capas de las pel\u00edculas delgadas utilizadas en gmi suele ser inferior a 1 um. Para que el efecto pelicular sea notable en ellas, y pro lo tanto se alcancen las m\u00e1ximas sensibilidades, es necesario trabajar a frecuencias del orden de los centenares de mhz en adelante. Para ello, es necesario utilizar t\u00e9cnicas propias de la ingenier\u00eda de microondas, as\u00ed como procedimientos matem\u00e1ticos que permitan corregir adecuadamente los datos experimentales. En esta investigaci\u00f3n se han aplicado con \u00e9xito dichas t\u00e9cnicas, pudiendo medir con gran exactitud la magnetoimpedancia de varias pel\u00edculas multicapa, de diferentes tama\u00f1os y estructura, a frecuencias entre 100 khz y 3 ghz. Esto ha permitido analizar el fen\u00f3meno de la gmi en alta frecuencia y sur relaci\u00f3n con la resonancia ferromagn\u00e9tica, as\u00ed como realizar algunos estudios acerca del efecto del tama\u00f1o de la muestra en la gmi. Adem\u00e1s, se ha comprobado que algunas de las muestras exhiben las mayores sensibilidades que se hayan publicado hasta ahora en pel\u00edculas delgadas basadas en nife (permalloy).<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Magnetoimpedancia de muestras planas en alta frecuencia<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Magnetoimpedancia de muestras planas en alta frecuencia <\/li>\n<li><strong>Autor:<\/strong>\u00a0  Cos Elices David De <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Pa\u00eds vasco\/euskal herriko unibertsitatea<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 16\/02\/2007<\/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>arribas Garc\u00eda<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: manuel V\u00e1zquez villalabeitia <\/li>\n<li>mercelo Knobel (vocal)<\/li>\n<li>ra\u00fal Valenzuela monjar\u00e1s (vocal)<\/li>\n<li>s. Schmool david (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Cos Elices David De La magnetoimpedancia (gmi) es la variaci\u00f3n de impedancia el\u00e9ctrica que presentan los materiales [&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":[740,12909,2490],"tags":[126081,126080,5486,126082,117547,126083],"class_list":["post-57069","post","type-post","status-publish","format-standard","hentry","category-magnetismo","category-pais-vasco-euskal-herriko-unibertsitatea","category-propagacion-de-ondas-electromagneticas","tag-arribas-garcia","tag-cos-elices-david-de","tag-manuel-vazquez-villalabeitia","tag-mercelo-knobel","tag-raul-valenzuela-monjaras","tag-s-schmool-david"],"_links":{"self":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/posts\/57069","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=57069"}],"version-history":[{"count":0,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/posts\/57069\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/media?parent=57069"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/categories?post=57069"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/tags?post=57069"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}