{"id":2553,"date":"2022-08-23T16:27:09","date_gmt":"2022-08-23T16:27:09","guid":{"rendered":"https:\/\/www.matterwaveoptics.eu\/?p=2553"},"modified":"2022-08-23T16:28:31","modified_gmt":"2022-08-23T16:28:31","slug":"contributed-talk-towards-atomic-diffraction-through-single-layer-graphene","status":"publish","type":"post","link":"https:\/\/www.matterwaveoptics.eu\/FOMO2022\/fomo2022\/contributed-talk-towards-atomic-diffraction-through-single-layer-graphene\/","title":{"rendered":"Contributed Talk: Towards atomic diffraction through single-layer graphene"},"content":{"rendered":"\n<p class=\"has-text-align-center wp-block-paragraph\"><strong>Christian Brand<sup>1<\/sup><\/strong><\/p>\n\n\n\n<p class=\"has-text-align-center wp-block-paragraph\"><sup>1<\/sup>German Aerospace Center (DLR e.V.), Institute of Quantum Technologies, Wilhelm-Runge-Stra\u00dfe 10, 89081 Ulm, Germany  <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">We discuss the prospect of diffracting fast atomic matter waves through atomically thin mem-<br>branes, such as graphene [1]. Using hydrogen atoms with a velocity of up to 120 000 m\/s, we predict a high probability of coherently diffracting atoms through the natural lattice of the crystalline gratings. Nevertheless, the minimum distance between the matter wave and the grating is on the picometer scale, leading to significant couplings. As this interplay is encoded in the matter wave, it brings direct and dose-independent imaging of the interaction within reach.<br>While investigations below the damage threshold ensure virtually infinite interrogation times, studies above the damage threshold give insights into dynamical processes in real-time. Such information is important to understand technologically-relevant atom-induced processes in 2D material, such as milling, defect-formation, and excitations.<br><br>[1] C. Brand, M. Debiossac, T. Susi, F. Aguillon, J. Kotakoski, P. Roncin, and M. Arndt, New J. Phys.<br>21, 033004 (2019).<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Christian Brand1 1German Aerospace Center (DLR e.V.), Institute of Quantum Technologies, Wilhelm-Runge-Stra\u00dfe 10, 89081 Ulm, Germany We discuss the prospect of diffracting fast atomic matter waves through atomically thin mem-branes, such as graphene [1]. Using hydrogen atoms with a velocity of up to 120 000 m\/s, we predict a high probability of coherently diffracting atoms through the natural lattice of the crystalline gratings. Nevertheless, the minimum distance between the matter wave and the grating is on the picometer scale, leading to significant couplings. As this interplay is encoded in the matter wave, it brings direct and dose-independent imaging of the interaction within reach.While investigations below the damage threshold ensure virtually infinite interrogation times, studies above the damage threshold give insights into dynamical processes in real-time. Such information is important to understand technologically-relevant atom-induced processes in 2D material, such as milling, defect-formation, and excitations. [1] C. Brand, M. Debiossac, T. Susi, F. Aguillon, J. Kotakoski, P. Roncin, and M. Arndt, New J. Phys.21, 033004 (2019).<\/p>\n","protected":false},"author":7,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"_crdt_document":"","_uag_custom_page_level_css":"","_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[8],"tags":[],"class_list":["post-2553","post","type-post","status-publish","format-standard","hentry","category-fomo2022"],"jetpack_featured_media_url":"","uagb_featured_image_src":{"full":false,"thumbnail":false,"medium":false,"medium_large":false,"large":false,"1536x1536":false,"2048x2048":false,"ashe-slider-full-thumbnail":false,"ashe-full-thumbnail":false,"ashe-list-thumbnail":false,"ashe-grid-thumbnail":false,"ashe-single-navigation":false},"uagb_author_info":{"display_name":"Atena Zalbeik-Dormayer","author_link":"https:\/\/www.matterwaveoptics.eu\/FOMO2022\/author\/zalbeik-dormayer\/"},"uagb_comment_info":0,"uagb_excerpt":"Christian Brand1 1German Aerospace Center (DLR e.V.), Institute of Quantum Technologies, Wilhelm-Runge-Stra\u00dfe 10, 89081 Ulm, Germany We discuss the prospect of diffracting fast atomic matter waves through atomically thin mem-branes, such as graphene [1]. Using hydrogen atoms with a velocity of up to 120 000 m\/s, we predict a high probability of coherently diffracting atoms&hellip;","jetpack_sharing_enabled":true,"publishpress_future_action":{"enabled":false,"date":"2026-08-02 05:38:22","action":"category","newStatus":"draft","terms":[],"taxonomy":"category","extraData":[]},"publishpress_future_workflow_manual_trigger":{"enabledWorkflows":[]},"_links":{"self":[{"href":"https:\/\/www.matterwaveoptics.eu\/FOMO2022\/wp-json\/wp\/v2\/posts\/2553","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.matterwaveoptics.eu\/FOMO2022\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.matterwaveoptics.eu\/FOMO2022\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.matterwaveoptics.eu\/FOMO2022\/wp-json\/wp\/v2\/users\/7"}],"replies":[{"embeddable":true,"href":"https:\/\/www.matterwaveoptics.eu\/FOMO2022\/wp-json\/wp\/v2\/comments?post=2553"}],"version-history":[{"count":2,"href":"https:\/\/www.matterwaveoptics.eu\/FOMO2022\/wp-json\/wp\/v2\/posts\/2553\/revisions"}],"predecessor-version":[{"id":2555,"href":"https:\/\/www.matterwaveoptics.eu\/FOMO2022\/wp-json\/wp\/v2\/posts\/2553\/revisions\/2555"}],"wp:attachment":[{"href":"https:\/\/www.matterwaveoptics.eu\/FOMO2022\/wp-json\/wp\/v2\/media?parent=2553"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.matterwaveoptics.eu\/FOMO2022\/wp-json\/wp\/v2\/categories?post=2553"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.matterwaveoptics.eu\/FOMO2022\/wp-json\/wp\/v2\/tags?post=2553"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}