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X-ORIGINAL-URL:https://www.chimieparistech.psl.eu
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DTSTART;TZID=Europe/Paris:20230827T080000
DTEND;TZID=Europe/Paris:20230901T170000
DTSTAMP:20221014T141631Z
CREATED:20221014T141505Z
LAST-MODIFIED:20221014T141631Z
UID:23572-1693123200-1693587600@www.chimieparistech.psl.eu
SUMMARY:International Conference on Luminescence ICL
DESCRIPTION:The 20th International Conference on Luminescence (ICL2023) that will take place from August 27th to September 1st\, 2023\, in Paris\, France.  \nICL is a long-standing conference series devoted to research on all types of luminescent materials\, the processes governing light emission and the applications of these systems. The topics that will be covered during the conference include: \n\nNew luminescent materials and new methods\nNanocrystals\, quantum dots\, nano-structured\, and 2D materials\nSpectroscopy of inorganic phosphors\, semi-conductors\, and molecular systems\nLuminescent materials for imaging\, bio-imaging and theranostics\nPersistent luminescence and photo-stimulated luminescence\nExcited state dynamics and ultrafast processes\nCoherent\, nonlinear\, and high-resolution spectroscopy\, quantum emitters\, quantum technologies\nTheoretical modelling and computational methods for luminescence phenomena\nField-induced luminescence in organic and inorganic media\, OLEDs\, and FEDs\nDynamics of photovoltaic and photocatalysis materials\nApplications of luminescence\n\nThe conference is organized by Chimie ParisTech-PSL\, Sorbonne University\, Ecole Polytechnique\, ENS Paris-Saclay\, Université Sorbonne Paris Nord\, and the Société Française d’Optique. \n  \nFor more information\, please see here.\n \n 
URL:https://www.chimieparistech.psl.eu/evenement-agenda/international-conference-on-luminescence-icl/
CATEGORIES:Colloque,International,Recherche
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DTSTART;TZID=Europe/Paris:20230831T140000
DTEND;TZID=Europe/Paris:20230831T170000
DTSTAMP:20230828T150138Z
CREATED:20230828T150138Z
LAST-MODIFIED:20230828T150138Z
UID:24490-1693490400-1693501200@www.chimieparistech.psl.eu
SUMMARY:Séminaire Programme Gradué Chimie PSL
DESCRIPTION:LPEM seminar: Yuki Fuseya\, Thursday August 31 at 2:00 pm (Paris time) \nESPCI\, Room Charpak\, entrance building\nZoom link: https://espci.zoom.us/j/87511828653?pwd=bG0rSTNzSEd4RDd0UHEybjc1MW1LZz09\nID: 875 1182 8653\nPasscode: LBrillouin\nContact/to subscribe or unsubscribe: seminaires-lpem@espci.fr\n\n \n\n\n\nDeciphering Topological Signatures: Pronounced Quantum-Size-Effect in Topological Heterojunction Bi/BiSb \nBy Yuki Fuseya\, Department of Engineering Science\, University of Electro-Communications\, Tokyo\, Japan\n \nBi and BiSb alloys have garnered significant attention as pioneering candidates among three-dimensional topological insulators since the seminal proposal by Fu and Kane [1]. Despite a wealth of research since the initial proposal\, the topological properties of these materials remain elusive even after fifteen years. All band structure calculations unanimously designate Bi as topologically trivial [1\,2]. In contrast\, most ARPES experiments report a nontrivial character for Bi [3\,4]. Recent observations of higher-order topology in Bi suggest its inherent triviality [5].\n \nThe discordance between experimental findings and theoretical predictions arises from the fundamental divergence in experimental setup predominantly focused on nano-thin films and nanowires\, and theoretical frameworks geared towards infinite size of bulk systems. Consequently\, we have undertaken a comprehensive theoretical exploration that aligns more closely with experimental realities\, explicitly examining the surface states of Bi nano-thin films and the topological heterojunctions.\n \nThe outcomes of our investigation reveal a pivotal insight—Bi exhibits remarkably pronounced quantum size effects owing to its exceptionally long Fermi wavelength (approximately 100nm) [6\,7]. These quantum size effects\, by their nature\, contort the anticipated behaviors\, thereby intricately complicating the interpretation of experimental outcomes.
URL:https://www.chimieparistech.psl.eu/evenement-agenda/seminaire-programme-gradue-chimie-psl-116/
LOCATION:évènement hybride
CATEGORIES:Séminaire
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