{"id":65,"date":"2023-10-02T11:23:37","date_gmt":"2023-10-02T11:23:37","guid":{"rendered":"https:\/\/hexsige.c2n.universite-paris-saclay.fr\/?page_id=65"},"modified":"2023-10-02T15:13:02","modified_gmt":"2023-10-02T15:13:02","slug":"project-details","status":"publish","type":"page","link":"https:\/\/hexsige.c2n.universite-paris-saclay.fr\/?page_id=65","title":{"rendered":"Project details"},"content":{"rendered":"\n<p><em><strong>Objectives<\/strong><\/em><\/p>\n\n\n\n<p>Our studies aim at understanding the mechanisms of the phase transformation of Si and Ge from the cubic 3C structure toward the hexagonal 2H and especially the involved size effects in nanowires. The transformed 2H domains may potentially become seeds for further epitaxial regrowth and integration at larger scale.<\/p>\n\n\n\n<p>Remarkably changing the crystal phase may change the physical properties of the material especially the electronic band structure and the phonon diffusion dispersion. Thus, the unprecedented nanostructure 2H\/3C nanowires may open new opportunities and functionalities that we aim to explore. In particular we investigate the potential light emission and the reduced thermal conductivity.<\/p>\n\n\n\n<p><em><strong>Project description<\/strong><\/em><\/p>\n\n\n\n<p>Below, the diagram show the objectives of the 3 workpackages and the means implemented for the project.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" loading=\"lazy\" width=\"802\" height=\"462\" src=\"https:\/\/hexsige.c2n.universite-paris-saclay.fr\/wp-content\/uploads\/2023\/10\/hexsige-detail.png\" alt=\"\" class=\"wp-image-93\" srcset=\"https:\/\/hexsige.c2n.universite-paris-saclay.fr\/wp-content\/uploads\/2023\/10\/hexsige-detail.png 802w, https:\/\/hexsige.c2n.universite-paris-saclay.fr\/wp-content\/uploads\/2023\/10\/hexsige-detail-300x173.png 300w, https:\/\/hexsige.c2n.universite-paris-saclay.fr\/wp-content\/uploads\/2023\/10\/hexsige-detail-768x442.png 768w, https:\/\/hexsige.c2n.universite-paris-saclay.fr\/wp-content\/uploads\/2023\/10\/hexsige-detail-612x353.png 612w, https:\/\/hexsige.c2n.universite-paris-saclay.fr\/wp-content\/uploads\/2023\/10\/hexsige-detail-720x415.png 720w\" sizes=\"(max-width: 802px) 100vw, 802px\" \/><\/figure>\n\n\n\n<p><em><strong>Side project and future<\/strong><\/em><\/p>\n\n\n\n<p>In the framework of HEXSIGE, alternative approaches were explored for the synthesis and integration of SiGe-2H (see results). The various routes may provide different applications and are now fully investigated in the following projects :<\/p>\n\n\n\n<div class=\"wp-block-media-text is-stacked-on-mobile\" style=\"grid-template-columns:23% auto\"><figure class=\"wp-block-media-text__media\"><img decoding=\"async\" loading=\"lazy\" width=\"256\" height=\"192\" src=\"https:\/\/hexsige.c2n.universite-paris-saclay.fr\/wp-content\/uploads\/2023\/10\/opto-silicon.png\" alt=\"\" class=\"wp-image-97 size-full\"\/><\/figure><div class=\"wp-block-media-text__content\">\n<p>OPTO SILICON<\/p>\n\n\n\n<p>Horizon 2020. (<a href=\"https:\/\/optosilicon.eu\/)\">https:\/\/optosilicon.eu\/)<\/a><\/p>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-media-text is-stacked-on-mobile\" style=\"grid-template-columns:22% auto\"><figure class=\"wp-block-media-text__media\"><img decoding=\"async\" loading=\"lazy\" width=\"220\" height=\"98\" src=\"https:\/\/hexsige.c2n.universite-paris-saclay.fr\/wp-content\/uploads\/2023\/10\/on-chips.png\" alt=\"\" class=\"wp-image-98 size-full\"\/><\/figure><div class=\"wp-block-media-text__content\">\n<p><a href=\"https:\/\/www.onchips.eu\/\">https:\/\/www.onchips.eu\/<\/a><\/p>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-media-text is-stacked-on-mobile\" style=\"grid-template-columns:22% auto\"><figure class=\"wp-block-media-text__media\"><img decoding=\"async\" loading=\"lazy\" width=\"206\" height=\"189\" src=\"https:\/\/hexsige.c2n.universite-paris-saclay.fr\/wp-content\/uploads\/2023\/10\/adhex.png\" alt=\"\" class=\"wp-image-99 size-full\"\/><\/figure><div class=\"wp-block-media-text__content\">\n<p>ADHEX-SiGe. (site \u00e0 venir)<\/p>\n<\/div><\/div>\n","protected":false},"excerpt":{"rendered":"<p>Objectives Our studies aim at understanding the mechanisms of the phase transformation of Si and Ge from the cubic 3C structure toward the hexagonal 2H and especially the involved size effects in nanowires. The transformed 2H domains may potentially become seeds for further epitaxial regrowth and integration at larger scale. Remarkably changing the crystal phase&#8230; <a href=\"https:\/\/hexsige.c2n.universite-paris-saclay.fr\/?page_id=65\">Continue reading <span class=\"screen-reader-text\">&#8220;Project details&#8221;<\/span><\/a><\/p>\n","protected":false},"author":2,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"_links":{"self":[{"href":"https:\/\/hexsige.c2n.universite-paris-saclay.fr\/index.php?rest_route=\/wp\/v2\/pages\/65"}],"collection":[{"href":"https:\/\/hexsige.c2n.universite-paris-saclay.fr\/index.php?rest_route=\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/hexsige.c2n.universite-paris-saclay.fr\/index.php?rest_route=\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/hexsige.c2n.universite-paris-saclay.fr\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/hexsige.c2n.universite-paris-saclay.fr\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=65"}],"version-history":[{"count":9,"href":"https:\/\/hexsige.c2n.universite-paris-saclay.fr\/index.php?rest_route=\/wp\/v2\/pages\/65\/revisions"}],"predecessor-version":[{"id":122,"href":"https:\/\/hexsige.c2n.universite-paris-saclay.fr\/index.php?rest_route=\/wp\/v2\/pages\/65\/revisions\/122"}],"wp:attachment":[{"href":"https:\/\/hexsige.c2n.universite-paris-saclay.fr\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=65"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}