{"id":33,"date":"2019-06-11T18:50:29","date_gmt":"2019-06-11T17:50:29","guid":{"rendered":"http:\/\/hebergement.u-psud.fr\/MineralogieGEOPS\/?page_id=33"},"modified":"2024-12-21T02:18:10","modified_gmt":"2024-12-21T01:18:10","slug":"microscopie-a-cathodoluminescence","status":"publish","type":"page","link":"https:\/\/hebergement.universite-paris-saclay.fr\/MineralogieGEOPS\/?page_id=33","title":{"rendered":"Microscopie \u00e0 Cathodoluminescence"},"content":{"rendered":"\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p class=\"justify-text\">La plateforme dispose d\u2019une cathodode froide Cathodyne (NewTec) coupl\u00e9e \u00e0 un microscope Olympus BX41-P et \u00e0 une cam\u00e9ra Qimaging \u2013 Qicam Fast 1394.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><a href=\"http:\/\/hebergement.universite-paris-saclay.fr\/MineralogieGEOPS\/wp-content\/uploads\/2024\/12\/syste_me-cl-orsay-4.jpg\"><img decoding=\"async\" loading=\"lazy\" width=\"567\" height=\"318\" src=\"http:\/\/hebergement.universite-paris-saclay.fr\/MineralogieGEOPS\/wp-content\/uploads\/2024\/12\/syste_me-cl-orsay-4.jpg\" alt=\"\" class=\"wp-image-295\" srcset=\"https:\/\/hebergement.universite-paris-saclay.fr\/MineralogieGEOPS\/wp-content\/uploads\/2024\/12\/syste_me-cl-orsay-4.jpg 567w, https:\/\/hebergement.universite-paris-saclay.fr\/MineralogieGEOPS\/wp-content\/uploads\/2024\/12\/syste_me-cl-orsay-4-300x168.jpg 300w\" sizes=\"(max-width: 567px) 100vw, 567px\" \/><\/a><\/figure><\/div>\n\n\n<h6 class=\"wp-block-heading\">Principe de l\u2019analyse :<\/h6>\n\n\n\n<p class=\"justify-text\">La cathodoluminescence d\u2019un solide est la propri\u00e9t\u00e9 de celui-ci \u00e0 \u00e9mettre des photons lorsqu\u2019il est soumis \u00e0 un bonbardement d\u2019\u00e9lectrons. Observ\u00e9e sous un microscope, la cathodoluminescence permet de rep\u00e9rer et caract\u00e9riser finement les diff\u00e9rentes phases min\u00e9rales constituant divers \u00e9chantillons (calcaires, gr\u00e8s, sp\u00e9l\u00e9oth\u00e8mes, coquilles, &#8230;), et de diff\u00e9rencier les phases de croissance cristalline (calcite, quartz, fluorine, \u2026). Elle permet d&rsquo;identifier facilement les cristaux d&rsquo;apatite et les cristaux de zircons issus d&rsquo;un s\u00e9diment ou d&rsquo;une roche magmatique.<\/p>\n\n\n\n<h6 class=\"wp-block-heading\">Analyses r\u00e9alis\u00e9es sur l\u2019instrument :<\/h6>\n\n\n\n<p class=\"justify-text\">Cette m\u00e9thode est couramment utilis\u00e9e afin de d\u00e9finir la chronologie relative des diff\u00e9rentes phases de croissance min\u00e9rales (i.e. cement stratigraphy) dans un \u00e9chantillon et\/ou \u00e0 l\u2019\u00e9chelle d\u2019un bassin ou r\u00e9servoir.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>La plateforme dispose d\u2019une cathodode froide Cathodyne (NewTec) coupl\u00e9e \u00e0 un microscope Olympus BX41-P et \u00e0 une cam\u00e9ra Qimaging \u2013 Qicam Fast 1394. Principe de l\u2019analyse : La cathodoluminescence d\u2019un solide est la propri\u00e9t\u00e9 de celui-ci \u00e0 \u00e9mettre des photons lorsqu\u2019il est soumis \u00e0 un bonbardement d\u2019\u00e9lectrons. Observ\u00e9e sous un microscope, la cathodoluminescence permet de &hellip; <\/p>\n<p class=\"link-more\"><a href=\"https:\/\/hebergement.universite-paris-saclay.fr\/MineralogieGEOPS\/?page_id=33\" class=\"more-link\">Continuer la lecture<span class=\"screen-reader-text\"> de &laquo;&nbsp;Microscopie \u00e0 Cathodoluminescence&nbsp;&raquo;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":[],"_links":{"self":[{"href":"https:\/\/hebergement.universite-paris-saclay.fr\/MineralogieGEOPS\/index.php?rest_route=\/wp\/v2\/pages\/33"}],"collection":[{"href":"https:\/\/hebergement.universite-paris-saclay.fr\/MineralogieGEOPS\/index.php?rest_route=\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/hebergement.universite-paris-saclay.fr\/MineralogieGEOPS\/index.php?rest_route=\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/hebergement.universite-paris-saclay.fr\/MineralogieGEOPS\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/hebergement.universite-paris-saclay.fr\/MineralogieGEOPS\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=33"}],"version-history":[{"count":7,"href":"https:\/\/hebergement.universite-paris-saclay.fr\/MineralogieGEOPS\/index.php?rest_route=\/wp\/v2\/pages\/33\/revisions"}],"predecessor-version":[{"id":495,"href":"https:\/\/hebergement.universite-paris-saclay.fr\/MineralogieGEOPS\/index.php?rest_route=\/wp\/v2\/pages\/33\/revisions\/495"}],"wp:attachment":[{"href":"https:\/\/hebergement.universite-paris-saclay.fr\/MineralogieGEOPS\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=33"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}