{"id":41191,"date":"2020-06-02T15:22:37","date_gmt":"2020-06-02T13:22:37","guid":{"rendered":"https:\/\/www.iemn.fr\/?p=41191"},"modified":"2020-09-11T12:39:46","modified_gmt":"2020-09-11T10:39:46","slug":"41191","status":"publish","type":"post","link":"https:\/\/www.iemn.fr\/en\/actualites\/41191.html","title":{"rendered":"Les mat\u00e9riaux bidimensionnels au coeur d\u2019un dispositif peu gourmand en \u00e9nergie pour des communications ultra-rapides"},"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_58_1rtjs1l634k1b\" data-ls-slug=\"homepageslider\" class=\"ls-wp-container fitvidsignore ls-selectable\" style=\"width:1140px;height:260px;margin:0 auto;margin-bottom: 0px;\"><div class=\"ls-slide\" data-ls=\"duration:6000;transition2d:5;\"><img loading=\"lazy\" decoding=\"async\" width=\"2600\" height=\"270\" src=\"https:\/\/www.iemn.fr\/wp-content\/uploads\/2019\/01\/sliders_news1.jpg\" class=\"ls-bg\" alt=\"\" srcset=\"https:\/\/www.iemn.fr\/wp-content\/uploads\/2019\/01\/sliders_news1.jpg 2600w, https:\/\/www.iemn.fr\/wp-content\/uploads\/2019\/01\/sliders_news1-300x31.jpg 300w, https:\/\/www.iemn.fr\/wp-content\/uploads\/2019\/01\/sliders_news1-768x80.jpg 768w, https:\/\/www.iemn.fr\/wp-content\/uploads\/2019\/01\/sliders_news1-1030x107.jpg 1030w, https:\/\/www.iemn.fr\/wp-content\/uploads\/2019\/01\/sliders_news1-1500x156.jpg 1500w, https:\/\/www.iemn.fr\/wp-content\/uploads\/2019\/01\/sliders_news1-705x73.jpg 705w\" sizes=\"auto, (max-width: 2600px) 100vw, 2600px\" \/><ls-layer style=\"font-size:14px;text-align:left;font-style:normal;text-decoration:none;text-transform:none;font-weight:700;letter-spacing:0px;border-style:solid;border-color:#000;background-position:0% 0%;background-repeat:no-repeat;width:180px;height:30px;left:0px;top:231px;line-height:32px;color:#ffffff;border-radius:6px 6px 6px 6px;padding-left:50px;background-color:rgba(0, 0, 0, 0.57);\" class=\"ls-l ls-ib-icon ls-text-layer\" data-ls=\"minfontsize:0;minmobilefontsize:0;\"><i class=\"fa fa-quote-right\" style=\"color:#ffffff;margin-right:0.8em;font-size:1em;transform:translateY( -0.125em );\"><\/i>ACTUALITES<\/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-41191'><div class='entry-content-wrapper clearfix'>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-tlmiav-4abe16fec2ab230f10c10ac18cc25fa1\">\n.flex_column.av-tlmiav-4abe16fec2ab230f10c10ac18cc25fa1{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div  class='flex_column av-tlmiav-4abe16fec2ab230f10c10ac18cc25fa1 av_one_full  avia-builder-el-1  el_after_av_layerslider  el_before_av_one_fourth  avia-builder-el-first  first flex_column_div av-zero-column-padding'     ><p>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-av_heading-a6bacd0de1dea07e051e5db1d503f696\">\n#top .av-special-heading.av-av_heading-a6bacd0de1dea07e051e5db1d503f696{\npadding-bottom:20px;\n}\nbody .av-special-heading.av-av_heading-a6bacd0de1dea07e051e5db1d503f696 .av-special-heading-tag .heading-char{\nfont-size:25px;\n}\n.av-special-heading.av-av_heading-a6bacd0de1dea07e051e5db1d503f696 .av-subheading{\nfont-size:15px;\n}\n<\/style>\n<div  class='av-special-heading av-av_heading-a6bacd0de1dea07e051e5db1d503f696 av-special-heading-h3  avia-builder-el-2  el_before_av_textblock  avia-builder-el-first'><h3 class='av-special-heading-tag'  itemprop=\"headline\"  >Les mat\u00e9riaux bidimensionnels au coeur d\u2019un dispositif peu gourmand en \u00e9nergie pour des communications ultra-rapides<\/h3><div class=\"special-heading-border\"><div class=\"special-heading-inner-border\"><\/div><\/div><\/div><br \/>\n<section  class='av_textblock_section av-kaxybxuq-5ce3d0002f189080b5a6f7aba870a6b4'   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/BlogPosting\" itemprop=\"blogPost\" ><div class='avia_textblock'  itemprop=\"text\" ><p style=\"text-align: left;\">Les interrupteurs micro-ondes (switches RF) sont des dispositifs clefs des modules reconfigurables des syst\u00e8mes de communications et satellites. La demande croissante de haut-d\u00e9bit et d\u2019une meilleure efficacit\u00e9 \u00e9nerg\u00e9tique des dispositifs \u00e9lectroniques exige de nouvelles solutions technologiques pour des interrupteurs \u00e0 la fois plus performants et moins gourmands en \u00e9nergie.<\/p>\n<p style=\"text-align: left;\">Dans ce contexte, plusieurs technologies sont en cours de d\u00e9veloppement, comme les interrupteurs \u00e0 base de mat\u00e9riaux \u00e0 changements de phase, les\u00a0MEMS et les memristors. R\u00e9cemment, une monocouche MoS<sub>2<\/sub> a \u00e9t\u00e9 utilis\u00e9e pour r\u00e9aliser un switch non volatil haute performance fonctionnant jusqu\u2019\u00e0 50 GHz. Cependant, ces dispositifs sont limit\u00e9s par une faible tenue en puissance et leur comportement \u00e0 plus hautes fr\u00e9quences, dans les ondes millim\u00e9triques, est inconnue.<\/p>\n<blockquote>\n<p><a href=\"https:\/\/www.iemn.fr\/wp-content\/uploads\/2020\/06\/visuel_materiaux_bidimensionnels.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignleft wp-image-41188 size-medium\" src=\"https:\/\/www.iemn.fr\/wp-content\/uploads\/2020\/06\/visuel_materiaux_bidimensionnels-300x188.jpg\" alt=\"\" width=\"300\" height=\"188\" srcset=\"https:\/\/www.iemn.fr\/wp-content\/uploads\/2020\/06\/visuel_materiaux_bidimensionnels-300x188.jpg 300w, https:\/\/www.iemn.fr\/wp-content\/uploads\/2020\/06\/visuel_materiaux_bidimensionnels-705x442.jpg 705w, https:\/\/www.iemn.fr\/wp-content\/uploads\/2020\/06\/visuel_materiaux_bidimensionnels.jpg 752w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a>Dans ce travail, men\u00e9 en collaboration avec Dr. Akinwande \u00e0 l\u2019Universit\u00e9 du Texas, nous avons d\u00e9velopp\u00e9 un nouveau switch RF non-volatil \u00e0 base d\u2019une couche monoatomique de nitrure de bore hexagonale (hBN). Nos dispositifs pr\u00e9sentent des performances \u00e0 l\u2019\u00e9tat de l\u2019art, avec une fr\u00e9quence de coupure de 129 THz, des pertes d\u2019insertion faibles (\u2264 0.5 dB) et une large isolation (\u2265 10 dB) dans la gamme de fr\u00e9quences 0.1 GHz \u00e0 200 GHz, ainsi qu\u2019un temps de commutation de l\u2019ordre de la nanoseconde et une tenue en puissance de 100mW. En plus, nos interrupteurs sont particuli\u00e8rement \u00e9conomes en terme de consommation d\u2019\u00e9nergie de commutation (la consommation d\u2019\u00e9nergie est nulle en r\u00e9gime statique).<br \/>\nFinalement, pour illustrer le potentiel des interrupteurs \u00e0 base de hBN pour les communications haut-d\u00e9bit, nous avons d\u00e9montr\u00e9 une transmission des donn\u00e9es de 8.5 Gb\/s sur une fr\u00e9quence porteuse de 100 GHz ainsi que le routage d\u2019un flux vid\u00e9o full HD en prise directe, encod\u00e9 \u00e0 100 GHz. Ce type de structure offre ainsi de nouvelles solutions pour les bandes millim\u00e9triques et au-del\u00e0, bandes dans lesquelles vont reposer les futures bandes de fr\u00e9quences du haut-d\u00e9bit.<\/p>\n<\/blockquote>\n<\/div><\/section><\/p><\/div>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-141wgmf-00d55c6b13c73a7e87607ec2469a6041\">\n.flex_column.av-141wgmf-00d55c6b13c73a7e87607ec2469a6041{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div  class='flex_column av-141wgmf-00d55c6b13c73a7e87607ec2469a6041 av_one_fourth  avia-builder-el-4  el_after_av_one_full  el_before_av_three_fourth  first flex_column_div av-zero-column-padding  column-top-margin'     ><style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-kaxyyva7-e026194f990252343c98116f6a4ab53a\">\n.av_font_icon.av-kaxyyva7-e026194f990252343c98116f6a4ab53a{\ncolor:#ed9600;\nborder-color:#ed9600;\n}\n.av_font_icon.av-kaxyyva7-e026194f990252343c98116f6a4ab53a .av-icon-char{\nfont-size:40px;\nline-height:40px;\n}\n<\/style>\n<span  class='av_font_icon av-kaxyyva7-e026194f990252343c98116f6a4ab53a avia_animate_when_visible av-icon-style- avia-icon-pos-right avia-icon-animate'><a href=\"https:\/\/doi.org\/10.1038\/s41928-020-0416-x\" target=\"_blank\" rel=\"noopener noreferrer\" class=\"av-icon-char\" aria-hidden=\"false\" data-av_icon=\"\ue826\" data-av_iconfont=\"entypo-fontello\" data-avia-icon-tooltip=\"&lt;br \/&gt;D\u00e9couvrez l&amp;rsquo;article de Nature Electronics&lt;br \/&gt;\"><\/a><\/span><\/div><\/p>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-n0nzjb-982ff30440ffa46eb68d5fa9d3d00576\">\n.flex_column.av-n0nzjb-982ff30440ffa46eb68d5fa9d3d00576{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div  class='flex_column av-n0nzjb-982ff30440ffa46eb68d5fa9d3d00576 av_three_fourth  avia-builder-el-6  el_after_av_one_fourth  el_before_av_one_full  flex_column_div av-zero-column-padding  column-top-margin'     ><section  class='av_textblock_section av-kaxzi2y3-fe19005819f5a082e9437e68920eca0e'   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/BlogPosting\" itemprop=\"blogPost\" ><div class='avia_textblock'  itemprop=\"text\" ><p>Lire l&rsquo;article sur <strong><em>Nature Electronics<\/em><\/strong> (2020) \u00a0\u00a0 \u00a0<strong>\u00a0 <a href=\"https:\/\/www.nature.com\/articles\/s41928-020-0416-x\" target=\"_blank\" rel=\"noopener noreferrer\">https:\/\/www.nature.com\/articles\/s41928-020-0416-x<\/a><\/strong><br \/>\n<strong>Analogue\u00a0\u00a0 switches\u00a0\u00a0 made\u00a0\u00a0 from\u00a0\u00a0 boron\u00a0\u00a0 nitride\u00a0\u00a0 monolayers\u00a0\u00a0 for\u00a0\u00a0 application in 5G and terahertz communication systems<\/strong><br \/>\n<em>Myungsoo Kim, Emiliano Pallecchi, Ruijing Ge, Xiaohan Wu, Guillaume Ducournau, Jack C. Lee, Henri Happy and Deji Akinwande<\/em><\/p>\n<\/div><\/section><\/div>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-lkmp9j-18513f2275711e81306795464441724e\">\n.flex_column.av-lkmp9j-18513f2275711e81306795464441724e{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div  class='flex_column av-lkmp9j-18513f2275711e81306795464441724e av_one_full  avia-builder-el-8  el_after_av_three_fourth  el_before_av_layerslider  avia-builder-el-last  first flex_column_div av-zero-column-padding  column-top-margin'     ><section  class='av_textblock_section av-kaxzofdj-a55d25b68a9f055015548c78256dc7fb'   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/BlogPosting\" itemprop=\"blogPost\" ><div class='avia_textblock'  itemprop=\"text\" ><div  class='avia-button-wrap av-rpqvoq-57deb88940c4695af52d88b0bd7b760a-wrap avia-button-left  avia-builder-el-10  avia-builder-el-no-sibling'><a href='mailto:emiliano.pallechi@univ-lille.fr'  class='avia-button av-rpqvoq-57deb88940c4695af52d88b0bd7b760a av-link-btn avia-icon_select-yes-left-icon avia-size-small avia-position-left avia-color-silver'   aria-label=\"Contact : Emiliano PALLECHI\"><span class='avia_button_icon avia_button_icon_left' aria-hidden='true' data-av_icon='\ue805' data-av_iconfont='entypo-fontello'><\/span><span class='avia_iconbox_title' >Contact : Emiliano PALLECHI<\/span><\/a><\/div>\n<\/div><\/section><\/div>\n<\/div><\/div><\/div><!-- close content main div --><\/div><\/div><div id='layer_slider_2'  class='avia-layerslider main_color avia-shadow  avia-builder-el-11  el_after_av_one_full  avia-builder-el-last  slider-not-first container_wrap sidebar_right'  style='height: 261px;'  ><div id=\"layerslider_3_1mlvukke9n5ry\" data-ls-slug=\"homepageslider\" class=\"ls-wp-container fitvidsignore ls-selectable\" style=\"width:100%;height:260px;margin:0 auto;margin-bottom: 0px;\"><div class=\"ls-slide\" data-ls=\"duration:4000;transition2d:5;\"><\/div><div class=\"ls-slide\" data-ls=\"duration:4000;transition2d:5;\"><\/div><div class=\"ls-slide\" data-ls=\"duration:4000;transition2d:5;\"><\/div><div class=\"ls-slide\" data-ls=\"duration:4000;transition2d:5;\"><div style=\"width:;height:;padding-top:;padding-right:;padding-bottom:;padding-left:;border-top:;border-right:;border-bottom:;border-left:;font-family:;font-size:;line-height:;color:;background:;border-radius:;top:0px;left:0px;\" class=\"ls-l ls-post-layer\" data-ls=\"offsetxin:80;easingin:linear;offsetxout:-80;durationout:400;easingout:linear;parallaxlevel:0;\"><\/div><\/div><\/div><\/div>","protected":false},"excerpt":{"rendered":"","protected":false},"author":2,"featured_media":41188,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[8],"tags":[],"class_list":["post-41191","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-actualites"],"_links":{"self":[{"href":"https:\/\/www.iemn.fr\/en\/wp-json\/wp\/v2\/posts\/41191","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=41191"}],"version-history":[{"count":0,"href":"https:\/\/www.iemn.fr\/en\/wp-json\/wp\/v2\/posts\/41191\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.iemn.fr\/en\/wp-json\/wp\/v2\/media\/41188"}],"wp:attachment":[{"href":"https:\/\/www.iemn.fr\/en\/wp-json\/wp\/v2\/media?parent=41191"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.iemn.fr\/en\/wp-json\/wp\/v2\/categories?post=41191"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.iemn.fr\/en\/wp-json\/wp\/v2\/tags?post=41191"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}