{"id":14503,"date":"2026-03-27T11:17:49","date_gmt":"2026-03-27T10:17:49","guid":{"rendered":"https:\/\/www.cinam.univ-mrs.fr\/cinam\/?p=14503"},"modified":"2026-03-27T13:49:57","modified_gmt":"2026-03-27T12:49:57","slug":"texture-de-spin-de-l%ce%b1-gete-dans-le-regime-des-couches-ultrafines","status":"publish","type":"post","link":"https:\/\/www.cinam.univ-mrs.fr\/cinam\/2026\/03\/27\/texture-de-spin-de-l%ce%b1-gete-dans-le-regime-des-couches-ultrafines\/","title":{"rendered":"Texture de spin dans des couches ultrafines de GeTe"},"content":{"rendered":"<p><span style=\"font-family: Arial; font-size: small;\">Cet article scientifique est publi\u00e9 comme une suggestion des \u00e9diteurs du journal <b>Physical Review B<\/b> (american physical society, APS) :<\/span><\/p>\n<p><a href=\"https:\/\/journals.aps.org\/prb\/abstract\/10.1103\/yst7-ktp9\">https:\/\/journals.aps.org\/prb\/abstract\/10.1103\/yst7-ktp9<\/a><\/p>\n<p><span style=\"font-family: Arial; font-size: small;\">Les semi-conducteurs ferro\u00e9lectriques de type Rashba tels que \ud835\udefc-GeTe ont r\u00e9cemment \u00e9t\u00e9 propos\u00e9s comme des candidats prometteurs pour la spin-orbitronique\u00a0 enti\u00e8rement pilot\u00e9e \u00e9lectriquement. La persistance d&rsquo;\u00e9tats \u00e9lectroniques pr\u00e9sentant une lev\u00e9e de d\u00e9g\u00e9n\u00e9rescence en spin dans des films ultra-minces rev\u00eat une importance particuli\u00e8re dans le contexte de miniaturisation de dispositifs.<br \/>\n\u00c0 l&rsquo;aide de la spectroscopie de photo\u00e9mission r\u00e9solue en angle et en spin (SR-ARPES) \u00e9tay\u00e9e par des calculs <i>ab initio<\/i>, des \u00e9quipes de chercheurs du CINaM (AMU\/CNRS), de l&rsquo;Insitut Jean Lamour (Univ. Lorraine\/CNRS) et du synchrotron SOLEIL ont d\u00e9montr\u00e9 que des films de \ud835\udefc-GeTe d&rsquo;une \u00e9paisseur aussi faible que 5 nm pr\u00e9sentent toujours une texture de spin de la surface de Fermi. Cette \u00e9tude ravive la question de la limite en \u00e9paisseur dans le domaine de l&rsquo;\u00e9lectronique de spin.<\/span><\/p>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-medium wp-image-14504\" src=\"https:\/\/www.cinam.univ-mrs.fr\/cinam\/wp-content\/uploads\/2026\/03\/Fig1-161x300.png\" alt=\"\" width=\"161\" height=\"300\" srcset=\"https:\/\/www.cinam.univ-mrs.fr\/cinam\/wp-content\/uploads\/2026\/03\/Fig1-161x300.png 161w, https:\/\/www.cinam.univ-mrs.fr\/cinam\/wp-content\/uploads\/2026\/03\/Fig1.png 441w\" sizes=\"(max-width: 161px) 100vw, 161px\" \/><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Une nouvelle publication dans le D\u00e9partement NMSP<\/p>\n","protected":false},"author":16,"featured_media":14504,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[2],"tags":[],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/www.cinam.univ-mrs.fr\/cinam\/wp-json\/wp\/v2\/posts\/14503"}],"collection":[{"href":"https:\/\/www.cinam.univ-mrs.fr\/cinam\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.cinam.univ-mrs.fr\/cinam\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.cinam.univ-mrs.fr\/cinam\/wp-json\/wp\/v2\/users\/16"}],"replies":[{"embeddable":true,"href":"https:\/\/www.cinam.univ-mrs.fr\/cinam\/wp-json\/wp\/v2\/comments?post=14503"}],"version-history":[{"count":3,"href":"https:\/\/www.cinam.univ-mrs.fr\/cinam\/wp-json\/wp\/v2\/posts\/14503\/revisions"}],"predecessor-version":[{"id":14630,"href":"https:\/\/www.cinam.univ-mrs.fr\/cinam\/wp-json\/wp\/v2\/posts\/14503\/revisions\/14630"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.cinam.univ-mrs.fr\/cinam\/wp-json\/wp\/v2\/media\/14504"}],"wp:attachment":[{"href":"https:\/\/www.cinam.univ-mrs.fr\/cinam\/wp-json\/wp\/v2\/media?parent=14503"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.cinam.univ-mrs.fr\/cinam\/wp-json\/wp\/v2\/categories?post=14503"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.cinam.univ-mrs.fr\/cinam\/wp-json\/wp\/v2\/tags?post=14503"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}