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DTSTART;TZID=Europe/Paris:20220616T140000
DTEND;TZID=Europe/Paris:20220616T150000
DTSTAMP:20220614T121021Z
CREATED:20220614T120409Z
LAST-MODIFIED:20220614T121021Z
UID:23280-1655388000-1655391600@www.chimieparistech.psl.eu
SUMMARY:Séminaire Programme Gradué Chimie PSL
DESCRIPTION: \n\n\n\nAI-enhanced detection of Fractal Electronic Textures in Vanadium Dioxide \nBy Prof. Erica W. Carlson\, Purdue University \nWhere : The seminar will take place in a hybrid format at ESPCI\, Room Cellule\, building C\, 3rd floor. \n\n\n\n\nPhases of matter and phase transitions are central concepts in condensed matter physics.  From the liquid crystal displays of our computer screens\, to the foams of bread and shaving cream\, the suspension we know as milk\, and the granular matter known as peanut butter\, phases beyond the simple solid/liquid/gas permeate our lives.  Electrons inside of materials have their own phases of matter and phase transitions\, such as magnet\, semiconductor\, metal\, and many other exotic phases of electrons.  Spatially resolved surface probes have recently revealed rich electronic textures at the nanoscale and mesoscale in many quantum materials.  We have defined new conceptual frameworks for interpreting and understanding these multiscale electronic textures by employing theoretical tools from fractal mathematics and disordered statistical mechanics. This allows us to use the rich spatial information available from scanning probes in order to diagnose criticality from the spatial structure alone\, without the need of a sweep of temperature or external field.  These new methods have enabled the discovery of universal\, fractal electronic textures across a variety of quantum materials. [Nat. Commun. 10\, 4568 (2019);  PRL 116\, 036401 (2016); Nat. Commun. 3\, 915 (2012).] I will discuss the application of these ideas to the  Mott metal-insulator transition in quantum materials\, using new extensions of critical behavior as well as new tools in machine learning. \nZoom link: https://espci.zoom.us/j/83311432739?pwd=L0ZnU08rRmRGdjRaMGRTY3NuaUhOdz09\nID: 833 1143 2739\nPassword: Hans_Bethe\nContact/to subscribe or unsubscribe: seminaires-lpem@espci.fr
URL:https://www.chimieparistech.psl.eu/evenement-agenda/seminaire-programme-gradue-chimie-psl-87/
LOCATION:ESPCI Paris\, 10 Rue Vauquelin\, Paris\, 75005\, France
CATEGORIES:Séminaire
ATTACH;FMTTYPE=image/png:https://www.chimieparistech.psl.eu/wp-content/uploads/2020/06/chimie1.png
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DTSTART;TZID=Europe/Paris:20220616T140000
DTEND;TZID=Europe/Paris:20220616T150000
DTSTAMP:20220614T120901Z
CREATED:20220614T120901Z
LAST-MODIFIED:20220614T120901Z
UID:23283-1655388000-1655391600@www.chimieparistech.psl.eu
SUMMARY:Séminaire Programme Gradué Chimie PSL
DESCRIPTION:Freezing contact line\n \nThomas Séon\, Institut d’Alembert\n \nWhere : The seminar will take place in a hybrid format at ESPCI\, Amphi Charpak\n \nIce accretion on airplane\, wire or roadway\, formation of ice fall\, ice stalactite\, frozen river or aufeis\, are a few examples of ice structures formed by the solidification of capillary flows (drop\, rivulet\, film). Among the many scientific questions that remain open to understand these problems\, the effect of freezing on the contact line motion is undoubtedly one of the most important and mysterious. In this talk\, we experimentally investigate three situations where advancing and receding contact line is coupled to freezing : capillary and inertial spreading of a water droplet on a cold substrate and water film dewetting on its own ice. These configurations allow us to propose the main mechanisms that explain the arrest of a contact line due to solidification and to tackle the intricate problem of the wetting of water on ice.\n \nZoom link: https://espci.zoom.us/j/84686787154?pwd=NEVRME1DRDJwWmFJSVVMZEFmZlJldz09
URL:https://www.chimieparistech.psl.eu/evenement-agenda/seminaire-programme-gradue-chimie-psl-88/
LOCATION:ESPCI Paris\, 10 Rue Vauquelin\, Paris\, 75005\, France
CATEGORIES:Séminaire
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