{"id":3220,"date":"2021-07-01T10:21:42","date_gmt":"2021-07-01T08:21:42","guid":{"rendered":"https:\/\/equipes.lps.u-psud.fr\/hp\/?page_id=3220"},"modified":"2025-03-12T10:29:34","modified_gmt":"2025-03-12T09:29:34","slug":"equipment","status":"publish","type":"page","link":"https:\/\/equipes.lps.u-psud.fr\/nova\/equipment\/","title":{"rendered":"Equipment"},"content":{"rendered":"\n<figure class=\"wp-block-pullquote\"><blockquote><p><a href=\"https:\/\/www.equipes.lps.u-psud.fr\/groupehp\/techniques.php#\">Extreme conditions<\/a><\/p><\/blockquote><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Our team carries out experiments in a highly diversified environment with extreme conditions (ultra low temperature, high magnetic field and high pressure) : we study the physics of samples in a wide range of temperature (25mK up to 400K depending on equipments), under magnetic fields up to 14 Tesla and under hydrostatic pressure (up to 3 GPa).<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">With this environment, we can perform different experimental techniques :<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Hall effect and resistivity measurements <\/li>\n\n\n\n<li>Seebeck coefficient measurements<\/li>\n\n\n\n<li>Dielectric constant measurements <\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"res\"><a href=\"https:\/\/www.equipes.lps.u-psud.fr\/groupehp\/techniques.php#\">Les mesures de r\u00e9sistivit\u00e9<\/a><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Dans le groupe, nous pouvons mesurer des r\u00e9sistances de 0,1m\u03a9 \u00e0 1G\u03a9 voire 1T\u03a9<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Nous r\u00e9alisons \u00e9galement des mesures d&rsquo;effet Hall \u00e0 basse temp\u00e9rature.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Afin de mieux comprendre les ph\u00e9nom\u00e8nes physiques (\u00e9tats onde de densit\u00e9, supraconductivit\u00e9), nous effectuons des mesures de transport non lin\u00e9aire en continu ou puls\u00e9 (I variable de 1pA \u00e0 100mA ou bien V variable de 1\u00b5V \u00e0 500V).<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/www.equipes.lps.u-psud.fr\/groupehp\/techniques.php#\">En savoir plus&#8230;<\/a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;|&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<a href=\"https:\/\/www.equipes.lps.u-psud.fr\/groupehp\/techniques.php#logo\">Haut de la page<\/a><\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"therm\"><a href=\"https:\/\/www.equipes.lps.u-psud.fr\/groupehp\/techniques.php#\">Transport thermique<\/a><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Le transport de la chaleur s&rsquo;effectue par transport des \u00e9lectrons. Si, il n&rsquo;y a pas d&rsquo;\u00e9lectrons libres (cas des isolants ou bien des supraconducteurs), il n&rsquo;y a pas transport de la chaleur. Les propri\u00e9t\u00e9s thermiques sont caract\u00e9ris\u00e9es comme pour les propri\u00e9t\u00e9s \u00e9lectroniques par certains c\u0153fficients lin\u00e9aires. Ainsi, le c\u0153fficient lin\u00e9aire correspondant \u00e0 la conductivit\u00e9 \u00e9lectrique,\u03c3, est la conductivit\u00e9 thermique, not\u00e9e \u03ba. Le c\u0153fficient Seebeck, S, est lui le c\u0153fficient lin\u00e9aire qui caract\u00e9rise la r\u00e9ponse \u0394V (variation de tension) \u00e0 un gradient de temp\u00e9rature \u0394T aux bornes de l&rsquo;\u00e9chantillon.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Dans le groupe, nous pouvons mesurer le pouvoir thermo\u00e9lectrique \u00e0 toute temp\u00e9rature (5-500K) et en fonction de la pression hydrostatique. La mesure de la conductivit\u00e9 thermique sous pression est en cours de mise au point \u00e9galement.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/www.equipes.lps.u-psud.fr\/groupehp\/techniques.php#\"><\/a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;|&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<a href=\"https:\/\/www.equipes.lps.u-psud.fr\/groupehp\/techniques.php#logo\">Haut de la page<\/a><\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"dielec\"><a href=\"https:\/\/www.equipes.lps.u-psud.fr\/groupehp\/techniques.php#\">Spectroscopie di\u00e9lectrique<\/a><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Les mesures de susceptibilit\u00e9 mesurent la r\u00e9ponse d&rsquo;une grandeur macroscopique en fonction d&rsquo;un champ ext\u00e9rieur magn\u00e9tique le plus souvent mais \u00e9lectrique parfois. Dans le groupe, nous pouvons mesurer la constante di\u00e9lectrique d&rsquo;un mat\u00e9riau (parties r\u00e9elle et imaginaire, celle-ci mesurant les pertes di\u00e9lectriques du mat\u00e9riau) en fonction de la temp\u00e9rature (4.2K-300K) ou de la fr\u00e9quence (10Hz-1MHz)<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/www.equipes.lps.u-psud.fr\/groupehp\/techniques.php#\"><\/a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;|&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<a href=\"https:\/\/www.equipes.lps.u-psud.fr\/groupehp\/techniques.php#logo\">Haut de la page<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Extreme conditions Our team carries out experiments in a highly diversified environment with extreme conditions (ultra low temperature, high magnetic field and high pressure) : we study the physics of &#8230;<\/p>\n","protected":false},"author":12,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-3220","page","type-page","status-publish","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.6 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Equipment - NOVA<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/equipes.lps.u-psud.fr\/nova\/equipment\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Equipment - NOVA\" \/>\n<meta property=\"og:description\" content=\"Extreme conditions Our team carries out experiments in a highly diversified environment with extreme conditions (ultra low temperature, high magnetic field and high pressure) : we study the physics of ...\" \/>\n<meta property=\"og:url\" content=\"https:\/\/equipes.lps.u-psud.fr\/nova\/equipment\/\" \/>\n<meta property=\"og:site_name\" content=\"NOVA\" \/>\n<meta property=\"article:modified_time\" content=\"2025-03-12T09:29:34+00:00\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Dur\u00e9e de lecture estim\u00e9e\" \/>\n\t<meta name=\"twitter:data1\" content=\"2 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/equipes.lps.u-psud.fr\\\/nova\\\/equipment\\\/\",\"url\":\"https:\\\/\\\/equipes.lps.u-psud.fr\\\/nova\\\/equipment\\\/\",\"name\":\"Equipment - NOVA\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/equipes.lps.u-psud.fr\\\/nova\\\/#website\"},\"datePublished\":\"2021-07-01T08:21:42+00:00\",\"dateModified\":\"2025-03-12T09:29:34+00:00\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/equipes.lps.u-psud.fr\\\/nova\\\/equipment\\\/#breadcrumb\"},\"inLanguage\":\"fr-FR\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/equipes.lps.u-psud.fr\\\/nova\\\/equipment\\\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/equipes.lps.u-psud.fr\\\/nova\\\/equipment\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Accueil\",\"item\":\"https:\\\/\\\/equipes.lps.u-psud.fr\\\/nova\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Equipment\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/equipes.lps.u-psud.fr\\\/nova\\\/#website\",\"url\":\"https:\\\/\\\/equipes.lps.u-psud.fr\\\/nova\\\/\",\"name\":\"NOVA\",\"description\":\"Electronic Correlations and High Pressures \\\/ Nouveaux \u00e9tats sous conditions extr\u00eames\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\\\/\\\/equipes.lps.u-psud.fr\\\/nova\\\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"fr-FR\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Equipment - NOVA","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/equipes.lps.u-psud.fr\/nova\/equipment\/","og_locale":"fr_FR","og_type":"article","og_title":"Equipment - NOVA","og_description":"Extreme conditions Our team carries out experiments in a highly diversified environment with extreme conditions (ultra low temperature, high magnetic field and high pressure) : we study the physics of ...","og_url":"https:\/\/equipes.lps.u-psud.fr\/nova\/equipment\/","og_site_name":"NOVA","article_modified_time":"2025-03-12T09:29:34+00:00","twitter_card":"summary_large_image","twitter_misc":{"Dur\u00e9e de lecture estim\u00e9e":"2 minutes"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/equipes.lps.u-psud.fr\/nova\/equipment\/","url":"https:\/\/equipes.lps.u-psud.fr\/nova\/equipment\/","name":"Equipment - NOVA","isPartOf":{"@id":"https:\/\/equipes.lps.u-psud.fr\/nova\/#website"},"datePublished":"2021-07-01T08:21:42+00:00","dateModified":"2025-03-12T09:29:34+00:00","breadcrumb":{"@id":"https:\/\/equipes.lps.u-psud.fr\/nova\/equipment\/#breadcrumb"},"inLanguage":"fr-FR","potentialAction":[{"@type":"ReadAction","target":["https:\/\/equipes.lps.u-psud.fr\/nova\/equipment\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/equipes.lps.u-psud.fr\/nova\/equipment\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Accueil","item":"https:\/\/equipes.lps.u-psud.fr\/nova\/"},{"@type":"ListItem","position":2,"name":"Equipment"}]},{"@type":"WebSite","@id":"https:\/\/equipes.lps.u-psud.fr\/nova\/#website","url":"https:\/\/equipes.lps.u-psud.fr\/nova\/","name":"NOVA","description":"Electronic Correlations and High Pressures \/ Nouveaux \u00e9tats sous conditions extr\u00eames","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/equipes.lps.u-psud.fr\/nova\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"fr-FR"}]}},"_links":{"self":[{"href":"https:\/\/equipes.lps.u-psud.fr\/nova\/wp-json\/wp\/v2\/pages\/3220","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/equipes.lps.u-psud.fr\/nova\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/equipes.lps.u-psud.fr\/nova\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/equipes.lps.u-psud.fr\/nova\/wp-json\/wp\/v2\/users\/12"}],"replies":[{"embeddable":true,"href":"https:\/\/equipes.lps.u-psud.fr\/nova\/wp-json\/wp\/v2\/comments?post=3220"}],"version-history":[{"count":4,"href":"https:\/\/equipes.lps.u-psud.fr\/nova\/wp-json\/wp\/v2\/pages\/3220\/revisions"}],"predecessor-version":[{"id":3408,"href":"https:\/\/equipes.lps.u-psud.fr\/nova\/wp-json\/wp\/v2\/pages\/3220\/revisions\/3408"}],"wp:attachment":[{"href":"https:\/\/equipes.lps.u-psud.fr\/nova\/wp-json\/wp\/v2\/media?parent=3220"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}