{"id":6644,"date":"2018-03-14T12:16:51","date_gmt":"2018-03-14T11:16:51","guid":{"rendered":"https:\/\/www.uni.lu\/fr\/events\/physics-colloquium-electron-spectroscopy-studies-of-epitaxial-graphene-grown-on-silicon-carbide\/"},"modified":"2018-03-14T12:16:51","modified_gmt":"2018-03-14T11:16:51","slug":"physics-colloquium-electron-spectroscopy-studies-of-epitaxial-graphene-grown-on-silicon-carbide","status":"publish","type":"events","link":"https:\/\/www.uni.lu\/fr\/events\/physics-colloquium-electron-spectroscopy-studies-of-epitaxial-graphene-grown-on-silicon-carbide\/","title":{"rendered":"Physics colloquium: Electron Spectroscopy Studies of Epitaxial Graphene grown on Silicon Carbide."},"content":{"rendered":"<section class=\"wp-block-unilux-blocks-free-section section\"><div class=\"container xl:max-w-screen-xl\"><p><strong>About the topic<\/strong><\/p><p>The 2-D material Graphene is one of the most interesting and promising materials in fundamental and applied science. Its outstanding properties (high charge carrier mobility, exceptional mechanical strength, chemical resistance, etc.) makes it attractive for various applications in areas like high frequency electronic devices, MEMS, optoelectronics, plasmonics, sensors, and photovoltaics, etc.<\/p><p>In applications graphene has in general to be in contact with other materials, be it in the form of electrical contacts, a substrate, or an encapsulation for the purpose of protection and conservation of the device. Thus, the influence of the surrounding materials on the properties of graphene needs to be studied and understood. In this talk I will discuss two different cases, in which the properties of graphene are strongly modified by other materials. First I will discuss the doping of graphene by different materials.\u00a0 I will show you how the electronic structure and morphology of graphene are changing for different types of doping. Secondly, I will also discuss the properties of graphene that are grown on silicon carbide substrates of different orientations. I will show you that both properties and morphology are very different for graphene grown on C-terminated compared to Si-terminated SiC substrates.<\/p><p>\u00a0<figure class=\"wp-block-dev4-reusable-blocks-image  object-fit--contain\">\n    \n<img decoding=\"async\" class=\"wp-block-image unilux-custom-image-block\"\n                alt=\"\"\n            src=\"https:\/\/www.uni.lu\/wp-content\/uploads\/sites\/11\/2024\/01\/nano_arpes.png\"\n                srcset=\"https:\/\/www.uni.lu\/wp-content\/uploads\/sites\/11\/2024\/01\/nano_arpes-300x98.png 300w, https:\/\/www.uni.lu\/wp-content\/uploads\/sites\/11\/2024\/01\/nano_arpes-768x250.png 768w, https:\/\/www.uni.lu\/wp-content\/uploads\/sites\/11\/2024\/01\/nano_arpes.png 772w\"\n                style=\"object-position: 50.00% 50.00%; font-family: &quot;object-fit: contain; object-position: 50.00% 50.00%;&quot;; aspect-ratio: 32\/9; object-fit: contain; width: 100%;\"\n        loading=\"lazy\"\n\/>    <\/figure><\/p><p>The figures show nano-ARPES spectra of different thickness of graphene grown on C-face silicon carbide. The dispersion of the p-bands the stacking of the graphene layers can be determined to be Bernal stacking<\/p><p><\/p><p><strong>About the speaker<\/strong><\/p><p>Dr. Chariya Jacobi has received her PhD in the field of Semiconductor materials at Link\u00f6ping University, Sweden in 2004. She specialized in surface and interface properties of clean and oxidized silicon carbide surfaces under the supervision of Prof. Leif Johansson. \u00a0Afterwards, she worked in the group of Prof. Dr. Ulrich Starke at the Max-Planck-Institute, Stuttgart as a post-doc for 2.5 years and expanded her horizon on surface science techniques. In 2008, she returned to Link\u00f6ping University and led a group working on graphene on silicon carbide using different surface science tools. In 2009 she became a docent and subsequently she trained 1 post doc and graduated 1 PhD and 2 diploma students. She also lectured one undergraduate course in Condensed Matter Physics (Part I) and one PhD course in Surface Physics.<\/p><\/div><\/section>","protected":false},"excerpt":{"rendered":"","protected":false},"author":0,"featured_media":6645,"parent":0,"menu_order":0,"comment_status":"open","ping_status":"closed","template":"","format":"standard","meta":{"featured_image_focal_point":[],"show_featured_caption":false,"ulux_newsletter_groups":"","uluxPostTitle":"","uluxPrePostTitle":"","_trash_the_other_posts":false,"_price":"","_stock":"","_tribe_ticket_header":"","_tribe_default_ticket_provider":"","_tribe_ticket_capacity":"0","_ticket_start_date":"","_ticket_end_date":"","_tribe_ticket_show_description":"","_tribe_ticket_show_not_going":false,"_tribe_ticket_use_global_stock":"","_tribe_ticket_global_stock_level":"","_global_stock_mode":"","_global_stock_cap":"","_tribe_rsvp_for_event":"","_tribe_ticket_going_count":"","_tribe_ticket_not_going_count":"","_tribe_tickets_list":"[]","_tribe_ticket_has_attendee_info_fields":false,"event_start_date":"2018-04-11 16:00:00","event_end_date":"2018-04-11 17:30:00","event_speaker_name":"Dr. Chariya Jacobi, Department of Physics, Chemistry and Biology, Link\u00f6ping University, S-58183 Link\u00f6ping , Sweden","event_speaker_link":"","event_is_online":false,"event_location":" Campus Limpertsberg - Room BSC 2.04 ","event_street":"","event_location_link":"","event_zip_code":"","event_city":"","event_country":"LU"},"events-topic":[316],"events-type":[],"organisation":[76,25,226],"authorship":[],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v22.3 (Yoast SEO v22.3) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Physics colloquium: Electron Spectroscopy Studies of Epitaxial Graphene grown on Silicon Carbide. - Universit\u00e9 du Luxembourg<\/title>\n<meta name=\"description\" content=\"About the topicThe 2-D material Graphene is one of the most interesting and promising materials in fundamental and applied science. 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