{"id":42934,"date":"2020-07-01T11:17:49","date_gmt":"2020-07-01T09:17:49","guid":{"rendered":"https:\/\/www.iemn.fr\/articles-temporaires-anglais\/impression-3d-sous-ultra-vide-pour-composants-mesoscopiques-2.html"},"modified":"2020-12-01T10:41:38","modified_gmt":"2020-12-01T08:41:38","slug":"impression-3d-sous-ultra-vide-pour-composants-mesoscopiques-2","status":"publish","type":"post","link":"https:\/\/www.iemn.fr\/en\/newsletter\/impression-3d-sous-ultra-vide-pour-composants-mesoscopiques-2.html","title":{"rendered":"Ultra-high-vacuum 3D printing for mesoscopic components"},"content":{"rendered":"<div id='layer_slider_1'  class='avia-layerslider main_color avia-shadow  avia-builder-el-0  el_before_av_one_full  avia-builder-el-first  container_wrap sidebar_right'  style='height: 261px;'  ><div id=\"layerslider_27_1kitfm6e4peip\" data-ls-slug=\"homepageslider\" class=\"ls-wp-container fitvidsignore ls-selectable\" style=\"width:1140px;height:260px;margin:0 auto;margin-bottom: 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l'IEMN<\/ls-layer><\/div><\/div><\/div><div id='after_layer_slider_1'  class='main_color av_default_container_wrap container_wrap sidebar_right'  ><div class='container av-section-cont-open' ><div class='template-page content  av-content-small alpha units'><div class='post-entry post-entry-type-page post-entry-42934'><div class='entry-content-wrapper clearfix'>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-u6a9it-47bc047f9b34f3d4a8e3d489ac9533f9\">\n.flex_column.av-u6a9it-47bc047f9b34f3d4a8e3d489ac9533f9{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div  class='flex_column av-u6a9it-47bc047f9b34f3d4a8e3d489ac9533f9 av_one_full  avia-builder-el-1  el_after_av_layerslider  avia-builder-el-no-sibling  first flex_column_div av-zero-column-padding'     ><section  class='av_textblock_section av-kc35c5xv-2fe507a0a954740334acfd47d5160eea'   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/BlogPosting\" itemprop=\"blogPost\" ><div class='avia_textblock'  itemprop=\"text\" ><h4>Ultra-high-vacuum 3D printing for mesoscopic components<\/h4>\n<p>Very precise control of semiconductor crystals at the nanometer scale has become essential for the manufacture of advanced electronic components or for certain quantum technologies. In this context, nanowires based on III-V semiconductors with low electronic mass have particularly interesting properties. However, the fabrication of electronic circuits based on such objects requires their implementation in complex architectures (cross-networks) in a robust and reliable way while preserving their intrinsic properties.<\/p>\n<blockquote>\n<p><a href=\"https:\/\/www.iemn.fr\/wp-content\/uploads\/2020\/07\/visuel.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-41878 alignleft\" src=\"https:\/\/www.iemn.fr\/wp-content\/uploads\/2020\/07\/visuel-300x293.jpg\" alt=\"\" width=\"359\" height=\"346\" \/><\/a><\/p>\n<p>In this context, selective molecular beam epitaxy allows the elaboration of nanocrystals precisely localized on the substrate surface thanks to the use of a dielectric mask.\u00a0 In this work*, we show how this growth method can be used to fabricate planar nanowires composed of an InGaAs core and an InP shell. A second step of selective growth also allows us to adorn these nanowires with highly doped contact zones to be able to fabricate transistors whose source\/drain spacing can be adjusted down to less than 30 nm. With this bottom-up fabrication method, which avoids any semiconductor etching step, components with different lengths have been fabricated. They have made it possible to study the electron transport properties in nanowires down to very low temperatures in a transport regime where the electrons are likely to be ballistic.<\/p>\n<\/blockquote>\n<p><em>* \u00ab\u00a0Gate length dependent transport properties of in-plane core-shell nanowires with raised contacts\u00a0\u00bb, A.Bucamp, C.Coinon, D.Troadec, S.Lepilliet, G.Patriarche, X.Wallart and L.Desplanque, Nano Research 13, p61\u201366 (2020) <\/em><a href=\"https:\/\/doi.org\/10.1007\/s12274-019-2572-8\"><em>https:\/\/doi.org\/10.1007\/s12274-019-2572-8<\/em><\/a><\/p>\n<\/div><\/section><\/div>","protected":false},"excerpt":{"rendered":"","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[297],"tags":[],"class_list":["post-42934","post","type-post","status-publish","format-standard","hentry","category-newsletter"],"_links":{"self":[{"href":"https:\/\/www.iemn.fr\/en\/wp-json\/wp\/v2\/posts\/42934","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.iemn.fr\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.iemn.fr\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.iemn.fr\/en\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.iemn.fr\/en\/wp-json\/wp\/v2\/comments?post=42934"}],"version-history":[{"count":0,"href":"https:\/\/www.iemn.fr\/en\/wp-json\/wp\/v2\/posts\/42934\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.iemn.fr\/en\/wp-json\/wp\/v2\/media?parent=42934"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.iemn.fr\/en\/wp-json\/wp\/v2\/categories?post=42934"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.iemn.fr\/en\/wp-json\/wp\/v2\/tags?post=42934"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}