{"id":8801,"date":"2026-01-27T10:40:36","date_gmt":"2026-01-27T10:40:36","guid":{"rendered":"https:\/\/unescoalfozanprize.org\/?p=8801"},"modified":"2026-01-27T10:40:36","modified_gmt":"2026-01-27T10:40:36","slug":"des-scientifiques-tordent-de-minuscules-cristaux-pour-controler-lelectricite","status":"publish","type":"post","link":"https:\/\/unescoalfozanprize.org\/fr\/des-scientifiques-tordent-de-minuscules-cristaux-pour-controler-lelectricite\/","title":{"rendered":"Des scientifiques tordent de minuscules cristaux pour contr\u00f4ler l&rsquo;\u00e9lectricit\u00e9"},"content":{"rendered":"<p>Des chercheurs ont mis au point une m\u00e9thode permettant de sculpter des dispositifs nanom\u00e9triques tridimensionnels directement \u00e0 partir de monocristaux. \u00c0 l&rsquo;aide d&rsquo;un faisceau d&rsquo;ions focalis\u00e9, ils ont sculpt\u00e9 des structures h\u00e9lico\u00efdales microscopiques \u00e0 partir d&rsquo;un cristal magn\u00e9tique (Co\u2083Sn\u2082S\u2082). Ces minuscules h\u00e9lices agissent comme des diodes commutables, permettant au courant de circuler plus facilement dans un sens, et le sens peut \u00eatre invers\u00e9 en modifiant la magn\u00e9tisation ou la torsion de l&rsquo;h\u00e9lice. Ces r\u00e9sultats d\u00e9montrent que la g\u00e9om\u00e9trie d&rsquo;un dispositif peut \u00e0 elle seule contr\u00f4ler son comportement \u00e9lectrique, ouvrant ainsi de nouvelles possibilit\u00e9s pour les technologies de m\u00e9moire, de logique et de d\u00e9tection \u00e0 faible consommation d&rsquo;\u00e9nergie.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Des chercheurs ont mis au point une m\u00e9thode permettant de sculpter des dispositifs nanom\u00e9triques tridimensionnels directement \u00e0 partir de monocristaux. \u00c0 l&rsquo;aide d&rsquo;un faisceau d&rsquo;ions focalis\u00e9, ils ont sculpt\u00e9 des structures h\u00e9lico\u00efdales microscopiques \u00e0 partir d&rsquo;un cristal magn\u00e9tique (Co\u2083Sn\u2082S\u2082). Ces minuscules h\u00e9lices agissent comme des diodes commutables, permettant au courant de circuler plus facilement dans [&hellip;]<\/p>\n","protected":false},"author":9,"featured_media":8792,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[13],"tags":[],"class_list":["post-8801","post","type-post","status-publish","format-standard","hentry","category-non-classifiee"],"_links":{"self":[{"href":"https:\/\/unescoalfozanprize.org\/fr\/wp-json\/wp\/v2\/posts\/8801","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/unescoalfozanprize.org\/fr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/unescoalfozanprize.org\/fr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/unescoalfozanprize.org\/fr\/wp-json\/wp\/v2\/users\/9"}],"replies":[{"embeddable":true,"href":"https:\/\/unescoalfozanprize.org\/fr\/wp-json\/wp\/v2\/comments?post=8801"}],"version-history":[{"count":1,"href":"https:\/\/unescoalfozanprize.org\/fr\/wp-json\/wp\/v2\/posts\/8801\/revisions"}],"predecessor-version":[{"id":8802,"href":"https:\/\/unescoalfozanprize.org\/fr\/wp-json\/wp\/v2\/posts\/8801\/revisions\/8802"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/unescoalfozanprize.org\/fr\/wp-json\/wp\/v2\/media\/8792"}],"wp:attachment":[{"href":"https:\/\/unescoalfozanprize.org\/fr\/wp-json\/wp\/v2\/media?parent=8801"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/unescoalfozanprize.org\/fr\/wp-json\/wp\/v2\/categories?post=8801"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/unescoalfozanprize.org\/fr\/wp-json\/wp\/v2\/tags?post=8801"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}