{"id":36233,"date":"1998-01-01T00:00:00","date_gmt":"1998-01-01T00:00:00","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/nano-oxidacion-de-superficies-de-si100-mediante-microscopia-de-efecto-tunel-en-medio-electroquimico\/"},"modified":"1998-01-01T00:00:00","modified_gmt":"1998-01-01T00:00:00","slug":"nano-oxidacion-de-superficies-de-si100-mediante-microscopia-de-efecto-tunel-en-medio-electroquimico","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/fisica\/nano-oxidacion-de-superficies-de-si100-mediante-microscopia-de-efecto-tunel-en-medio-electroquimico\/","title":{"rendered":"Nano-oxidacion de superficies de si(100) mediante microscopia de efecto tunel en medio electroquimico."},"content":{"rendered":"<h2>Tesis doctoral de <strong> Gabriel Abadal Berini <\/strong><\/h2>\n<p>El trabajo realizado en esta tesis est\u00e1 dividido en dos bloques claramente diferenciados. En primer lugar se ha llevado a cabo un trabajo de desarrollo, en el que se ha puesto a punto un microscopio de efecto t\u00fanel en medio electroqu\u00edmico (estm). Esta tarea de desarrollo se ha centrado b\u00e1sicamente en dise\u00f1ar e implementar la celda electroqu\u00edmica y el bipotenciostato del microscopio, as\u00ed como tambi\u00e9n un m\u00e9todo de caracterizaci\u00f3n del recubrimiento de las puntas basado en la medida del ruido de corriente y una t\u00e9cnica que permite la adquisici\u00f3n de curvas corriente-tensi\u00f3n mediante el estm. En la segunda parte, se ha aplicado el estm desarrollado anteriormente al estudio de los cambios topogr\u00e1ficos producidos sobre superficies semiconductoras por la acci\u00f3n de diversos electrolitos, pero, especialmente, al estudio de los mecanismos de nano-oxidaci\u00f3n de superficies silicio mediante microscop\u00eda de sonda local. De este estudio se deduce la existencia de dos reg\u00edmenes de oxidaci\u00f3n local:  a tensiones muestra-punta superiores a la tensi\u00f3n de bandas planas de la estructura muestra-aislante-punta, la oxidaci\u00f3n local se produce por una reacci\u00f3n de anodizaci\u00f3n que se ve intensificada localmente por la acci\u00f3n del campo el\u00e9ctrico entre la punta y la muestra.  en el otro r\u00e9gimen, la oxidaci\u00f3n no puede explicarse mediante una reacci\u00f3n de anodizaci\u00f3n, sino que se debe a una reacci\u00f3n de oxidaci\u00f3n qu\u00edmica producida por h2o2 generada localmente en la punta del microscopio.<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Nano-oxidacion de superficies de si(100) mediante microscopia de efecto tunel en medio electroquimico.<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Nano-oxidacion de superficies de si(100) mediante microscopia de efecto tunel en medio electroquimico. <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Gabriel Abadal Berini <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Aut\u00f3noma de barcelona<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 01\/01\/1998<\/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>Francesc Perez Murano<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: Xavier Aymerich Humet <\/li>\n<li>Fausto Sanz Carrasco (vocal)<\/li>\n<li>Jaume Esteve Tint\u00f3 (vocal)<\/li>\n<li>Ricardo Garcia Garcia (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Gabriel Abadal Berini El trabajo realizado en esta tesis est\u00e1 dividido en dos bloques claramente diferenciados. En [&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":[332,1424,199,8096,560],"tags":[18600,49641,96056,14045,50445,96057],"class_list":["post-36233","post","type-post","status-publish","format-standard","hentry","category-ciencias-tecnologicas","category-electroquimica","category-fisica","category-ingenieria-y-tecnologia-electricas","category-quimica-fisica","tag-fausto-sanz-carrasco","tag-francesc-perez-murano","tag-gabriel-abadal-berini","tag-jaume-esteve-tinto","tag-ricardo-garcia-garcia","tag-xavier-aymerich-humet"],"_links":{"self":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/posts\/36233","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=36233"}],"version-history":[{"count":0,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/posts\/36233\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/media?parent=36233"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/categories?post=36233"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/tags?post=36233"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}