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X-WR-CALNAME:Chimie ParisTech - PSL
X-ORIGINAL-URL:https://www.chimieparistech.psl.eu
X-WR-CALDESC:Évènements pour Chimie ParisTech - PSL
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TZID:Europe/Paris
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DTSTART:20200329T010000
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DTSTART:20201025T010000
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BEGIN:VEVENT
DTSTART;TZID=Europe/Paris:20210909T080000
DTEND;TZID=Europe/Paris:20211025T170000
DTSTAMP:20210902T083011Z
CREATED:20210902T083011Z
LAST-MODIFIED:20210902T083011Z
UID:22090-1631174400-1635181200@www.chimieparistech.psl.eu
SUMMARY:Rentrée 2021 : PSL Antropocène
DESCRIPTION:  \nA la rentrée universitaire 2021\, l’Université PSL propose\, en s’appuyant sur l’engagement de ses étudiantes et étudiants\, de mettre en avant la thématique de l’anthropocène dans le cadre d’un cycle de conférences et de divers événements ouverts à toutes et tous. \nRetrouvez tous les détails ici
URL:https://www.chimieparistech.psl.eu/evenement-agenda/rentree-2021-psl-antropocene/
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Europe/Paris:20211004T110000
DTEND;TZID=Europe/Paris:20211004T120000
DTSTAMP:20211001T155538Z
CREATED:20211001T155433Z
LAST-MODIFIED:20211001T155538Z
UID:22298-1633345200-1633348800@www.chimieparistech.psl.eu
SUMMARY:Séminaire Programme Gradué Chimie PSL
DESCRIPTION:Instabilities and geometry of growing tissues\nDoron Grossman\,\nCollège de France\n \nThe vertex model is a discrete often used to described cellular media\, where elastic energy depends on the difference of cells’ actual area and perimeter from a reference values. Cells are allowed to change neighbors via di fferent topological transition – including division\, apoptosis and so – called T1 transitions. We derive a complete\, coarse grained\, continuum model of the 2D vertex model\, applicable for di fferent underlying geometries\, and allows for analytical analysis. Using a geometric approach and out-of-equilibrium statistical mechanics\, we calculate both mechanical and dynamical instabilities within a tissue\, and their dependence on diff erent variables\, including activity\, and disorder. Most notably\, the tissue’s response depends on the existence of mechanical residual stresses on a cellular level. Thus\, even freely growing tissues may exhibit a growth instability depending on food consumption. Using this geometric model we can readily distinct between elasticity and plasticity in a growing\,  flowing\, tissue.\n \nThe seminar will be in hybrid format both in the Gulliver library and by zoom:\nhttps://us02web.zoom.us/j/83595816412?pwd=Q1VNbEdPcFMvNm9rSkpXRFRSZmlTUT09\nID de réunion : 835 9581 6412\nCode secret : 399084
URL:https://www.chimieparistech.psl.eu/evenement-agenda/seminaire-programme-gradue-chimie-psl-50/
LOCATION:Visioconférence
CATEGORIES:Séminaire
ATTACH;FMTTYPE=image/png:https://www.chimieparistech.psl.eu/wp-content/uploads/2020/06/chimie1.png
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Europe/Paris:20211004T113000
DTEND;TZID=Europe/Paris:20211004T123000
DTSTAMP:20210929T121752Z
CREATED:20210929T121539Z
LAST-MODIFIED:20210929T121752Z
UID:22286-1633347000-1633350600@www.chimieparistech.psl.eu
SUMMARY:Séminaire Programme Gradué Chimie PSL
DESCRIPTION:Instabilities and geometry of growing tissues\n \nDoron Grossman (Collège de France)\n \nAbstract: The vertex model is a discrete often used to described cellular media\, where elastic energy depends on the difference of cells’ actual area and perimeter from a reference values. Cells are allowed to change neighbors via di fferent topological transition – including division\, apoptosis and so – called T1 transitions. We derive a complete\, coarse grained\, continuum model of the 2D vertex model\, applicable for di fferent underlying geometries\, and allows for analytical analysis. Using a geometric approach and out-of-equilibrium statistical mechanics\, we calculate both mechanical and dynamical instabilities within a tissue\, and their dependence on diff erent variables\, including activity\, and disorder. Most notably\, the tissue’s response depends on the existence of mechanical residual stresses on a cellular level. Thus\, even freely growing tissues may exhibit a growth instability depending on food consumption. Using this geometric model we can readily distinct between elasticity and plasticity in a growing\,  flowing\, tissue.\n\nThe seminar will be in hybrid format both in the Gulliver library and by zoom:\n\nhttps://us02web.zoom.us/j/83595816412?pwd=Q1VNbEdPcFMvNm9rSkpXRFRSZmlTUT09\n\nID de réunion : 835 9581 6412\nCode secret : 399084
URL:https://www.chimieparistech.psl.eu/evenement-agenda/seminaire-programme-gradue-chimie-psl-47/
LOCATION:Visioconférence
CATEGORIES:Séminaire
ATTACH;FMTTYPE=image/png:https://www.chimieparistech.psl.eu/wp-content/uploads/2020/06/chimie1.png
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Europe/Paris:20211007T140000
DTEND;TZID=Europe/Paris:20211007T150000
DTSTAMP:20211001T155058Z
CREATED:20211001T155015Z
LAST-MODIFIED:20211001T155058Z
UID:22295-1633615200-1633618800@www.chimieparistech.psl.eu
SUMMARY:Séminaire Programme Gradué Chimie PSL
DESCRIPTION:Bad metal behavior from slow collective excitations \nBy Simone Fratini\,\nInstitut Néel\, Grenoble\n \nScattering of charge carriers by slow degrees of freedom can drive an electronic system away from normal transport behavior\, causing anomalously large resistivities. This phenomenon relies on the idea that the same localization corrections that make the conductivity vanish in disordered systems\, also partially survive when the random environment is dynamical\, if its fluctuations are sufficiently slow. \n \nThe ensuing « transient localization » of the charge carriers has been thoroughly studied during the last decade. It has been succesful in explaining the anomalous transport behavior of organic semiconductors\, where the role of a dynamical random environment is played by slow molecular vibrations. \n \nBecause it comes with large enhancements of the resistivity\, this general phenomenon is a natural candidate to explain anomalous transport behavior in metals. In this talk I shall review recent and ongoing work aimed at applying the concept of transient localization to correlated systems and other bad metals\, and discuss likely sources of dynamical disorder that could be at the origin of the phenomenon.  \n \nReferences:\nPseudogap metal induced by long-range Coulomb interactions \nK. Driscoll\, A. Ralko\, S. Fratini\, Phys. Rev. B 103\, L201106 (2021)\nDisplaced Drude peak and bad metal behavior from the interaction with slow scatterers \nS. Fratini\, S. Ciuchi\, SciPost Phys. 11\, 039 (2021)\n \nOct. 7  at 2:00 pm (GMT+2) Paris time \nZoom link: https://espci.zoom.us/j/85714019262?pwd=Y0tQa055RWxod0FteHBvQnc5Q0tsQT09\nID: 857 1401 9262\nPassword: N.F.Mott\nContact/to subscribe or unsubscribe: seminaires-lpem@espci.fr
URL:https://www.chimieparistech.psl.eu/evenement-agenda/seminaire-programme-gradue-chimie-psl-49/
LOCATION:Visioconférence
CATEGORIES:Séminaire
ATTACH;FMTTYPE=image/png:https://www.chimieparistech.psl.eu/wp-content/uploads/2020/06/chimie1.png
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Europe/Paris:20211007T140000
DTEND;TZID=Europe/Paris:20211007T170000
DTSTAMP:20211006T082150Z
CREATED:20211006T075509Z
LAST-MODIFIED:20211006T082150Z
UID:22311-1633615200-1633626000@www.chimieparistech.psl.eu
SUMMARY:Allô\, les enjeux du smartphone
DESCRIPTION:L’Université PSL ouvre ses portes aux lycéens et lycéennes pour un événement spécial au sein de l’École Normale Supérieure – PSL. \nRetrouvez Philippe Barboux\, Professeur à Chimie ParisTech – PSL pour sa conférence  « Le smartphone vu par un chimiste : enjeux environnementaux des batteries\, cycle de vie« à partir de 14h00. \nL’accès est gratuit\, mais la réservation obligatoire à cette adresse : contact-espgg@espci.fr \nTous les détails sont ici.  \n  \n 
URL:https://www.chimieparistech.psl.eu/evenement-agenda/allo-les-enjeux-du-smartphone/
LOCATION:Ecole Normale Supérieure\, 29 rue d’Ulm\, Paris\, Ile de France\, 75005\, France
CATEGORIES:Conférence
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Europe/Paris:20211009T130000
DTEND;TZID=Europe/Paris:20211009T180000
DTSTAMP:20211008T082711Z
CREATED:20211008T082618Z
LAST-MODIFIED:20211008T082711Z
UID:22326-1633784400-1633802400@www.chimieparistech.psl.eu
SUMMARY:Fêter la science en ligne avec le Cercle !
DESCRIPTION:[update] Attention\, en raison d’une interdiction de la préfecture de police\, la Fête de la Science en présentiel ne pourra avoir lieu  à Chimie ParisTech – PSL pour des raisons de sécurité. Aucun public ne pourra être accueilli à l’école. Nous nous excusons de ce changement de programme.\nLe samedi 09 Octobre les étudiants de Chimie ParisTech – PSL feront des expériences qui vous seront retransmises ensuite via leurs réseaux sociaux (FB et Chaine You Tube). Suivez les sur leurs réseaux pour vivre l’émotion de la découverte.\nRetrouvez tous les détails de ce programme alternatif ici
URL:https://www.chimieparistech.psl.eu/evenement-agenda/feter-la-science-en-ligne-avec-le-cercle/
LOCATION:A distance / En ligne
CATEGORIES:Evénement
END:VEVENT
BEGIN:VEVENT
DTSTART;VALUE=DATE:20211011
DTEND;VALUE=DATE:20211018
DTSTAMP:20211011T170630Z
CREATED:20211011T170552Z
LAST-MODIFIED:20211011T170630Z
UID:22384-1633910400-1634515199@www.chimieparistech.psl.eu
SUMMARY:Rappel : Inscriptions Workshop
DESCRIPTION:Nanopores for detection\nLe Workshop « Nanopores for detection » organisé par l’IMAP (Mathilde Lepoitevin) et le LAMBE (Juan Pelta) aura lieu le 18 octobre à partir de 8h45 à l’ENS\, departement de Chimie\, 24 Rue Lhomond\, 75005 paris\, salle Paul Langevin (limité à 40 personnes) et en hybride (lien zoom apres inscription).\n \nInscription obligatoire : https://tinyurl.com/43zc787s\n \nNous ferons un point sur les recherches européennes visant à explorer les dévelopement recent pour la détection en temps réel de molécules cibles a l’echelle de la molécule unique. Nous souhaitons répondre à des défis sociétaux tels que la médecine personnalisée par l’analyse ultra-rapide de biomolécules à l’aide de la technologie nanopore. Les intervenants seront Robert Blick (University of Hamburg)\, Mauro Chinappi (UniversiteTor Vergata Roma) et Fred Antson (University of York)\,  et pour le cote industriel\, Filippo Cona (Elements)\, et Luc Lenglet (Dreampore).
URL:https://www.chimieparistech.psl.eu/evenement-agenda/rappel-inscriptions-workshop/
CATEGORIES:Evénement
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Europe/Paris:20211011T113000
DTEND;TZID=Europe/Paris:20211011T123000
DTSTAMP:20211011T165800Z
CREATED:20211011T165800Z
LAST-MODIFIED:20211011T165800Z
UID:22379-1633951800-1633955400@www.chimieparistech.psl.eu
SUMMARY:Séminaire Programme Gradué Chimie PSL
DESCRIPTION:Acoustic signature of hydrodynamics events\nJuliette Pierre (Institut Jean Le Rond D’Alembert) \nGas-liquid systems are ubiquitous in industrial\, food\, biological or geophysical contexts. The popping noise of a bursting bubble\, the crackle sounds of ageing foams\, the whistling of nucleating water\, the fizzing of champagne\, the drumming of rain and the thud of degassing volcano magmas evidence the radiation of sound by these violent interfacial hydrodynamic events. \nSuch events evolve according to various processes occurring at several different length scales and over several different time scales. \nIn many of these out-of-equilibrium systems\, conventional fast optical imaging method does not follow very high dynamics or get through opaque samples. \nIn this presentation I will present our recent investigations about the spatio-temporal acoustical signature of violent hydrodynamic events. By combining the use of acoustic sensors\, theoretical and numerical modeling\, we aim to monitor and characterise these violent events and elucidate the physical mechanisms at play in their existence and their evolution. \n \nRemote connection details\n\n\n\n\nhttps://us02web.zoom.us/j/83595816412?pwd=Q1VNbEdPcFMvNm9rSkpXRFRSZmlTUT09\nID de réunion : 835 9581 6412\nCode secret : 399084
URL:https://www.chimieparistech.psl.eu/evenement-agenda/seminaire-programme-gradue-chimie-psl-53/
LOCATION:Visioconférence
CATEGORIES:Séminaire
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Europe/Paris:20211012T110000
DTEND;TZID=Europe/Paris:20211012T120000
DTSTAMP:20210929T122116Z
CREATED:20210929T122116Z
LAST-MODIFIED:20210929T122116Z
UID:22291-1634036400-1634040000@www.chimieparistech.psl.eu
SUMMARY:Séminaire Programme Gradué Chimie PSL
DESCRIPTION:Surface tension and the strain-dependent topography of soft solids\n\n\nNicolas Bain\, ETH Zurich\n\n\n\nAbstract: Despite its importance in any adhesion and wetting phenomena\, there is a fundamental property that is not yet understood in soft solids: surface elasticity. Also called the Shuttleworth effect\, surface elasticity can be boiled down to one question. Does stretching the surface of a soft solid change its surface tension? In 2017\, Xu et. al designed an experiment in which the opening angle of a wetting ridge was a proxy to evidence a dramatic increase of surface tension with stretch. In 2019\, however\, Masurel et al. claimed that the coupling between nonlinear mechanics and the singular nature of the wetting ridge suffice to explain the behavior of the opening angle observed by Xu et al\, without invoking the Shuttleworth effect. The question therefore remains open. This presentation will focus on an experimental setup with no geometric singularity\, that leaves no doubt on the existence or absence of surface elasticity in soft solids\, hopefully closing this long-lasting controversy.\n\n\n \n\nZoom link: https://espci.zoom.us/j/88601490160?pwd=Z0FjcWdxOGJpRGc1MXJ1UVQrL2didz09\nID: 886 0149 0160\nCode secret : 473603
URL:https://www.chimieparistech.psl.eu/evenement-agenda/seminaire-programme-gradue-chimie-psl-48/
LOCATION:Visioconférence
CATEGORIES:Séminaire
ATTACH;FMTTYPE=image/png:https://www.chimieparistech.psl.eu/wp-content/uploads/2020/06/chimie1.png
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Europe/Paris:20211012T110000
DTEND;TZID=Europe/Paris:20211012T120000
DTSTAMP:20211001T155841Z
CREATED:20211001T155841Z
LAST-MODIFIED:20211001T155841Z
UID:22302-1634036400-1634040000@www.chimieparistech.psl.eu
SUMMARY:Séminaire Programme Gradué Chimie PSL
DESCRIPTION:Surface tension and the strain-dependent topography of soft solids\n\nNicolas Bain\nETH Zurich \nAbstract: Despite its importance in any adhesion and wetting phenomena\, there is a fundamental property that is not yet understood in soft solids: surface elasticity. Also called the Shuttleworth effect\, surface elasticity can be boiled down to one question. Does stretching the surface of a soft solid change its surface tension? In 2017\, Xu et. al designed an experiment in which the opening angle of a wetting ridge was a proxy to evidence a dramatic increase of surface tension with stretch. In 2019\, however\, Masurel et al. claimed that the coupling between nonlinear mechanics and the singular nature of the wetting ridge suffice to explain the behavior of the opening angle observed by Xu et al\, without invoking the Shuttleworth effect. The question therefore remains open. This presentation will focus on an experimental setup with no geometric singularity\, that leaves no doubt on the existence or absence of surface elasticity in soft solids\, hopefully closing this long-lasting controversy.\n\n\n \nZoom link: https://espci.zoom.us/j/88601490160?pwd=Z0FjcWdxOGJpRGc1MXJ1UVQrL2didz09\nID: 886 0149 0160\nCode secret : 473603
URL:https://www.chimieparistech.psl.eu/evenement-agenda/seminaire-programme-gradue-chimie-psl-51/
LOCATION:Visioconférence
CATEGORIES:Séminaire
ATTACH;FMTTYPE=image/png:https://www.chimieparistech.psl.eu/wp-content/uploads/2020/06/chimie1.png
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Europe/Paris:20211014T140000
DTEND;TZID=Europe/Paris:20211014T150000
DTSTAMP:20211007T084024Z
CREATED:20211007T084024Z
LAST-MODIFIED:20211007T084024Z
UID:22315-1634220000-1634223600@www.chimieparistech.psl.eu
SUMMARY:Séminaire Programme Gradué Chimie PSL
DESCRIPTION:Basics of surface tension with a focus on the liquid/vapour interface\nSeminar Graduate Program PSL Chemistry \nThursday October 14th at 2pm \nAmphi Moissan \nVirginie LAIR \nInstitut de Recherche de Chimie Paris (IRCP) \nChimie ParisTech\, Université PSL \n  \nPhenomenon of capillarity? Why can some insects walk on water? How can we create water-repellent surfaces? \nIt is possible to express these surface effects in terms of energy (Helmholtz or Gibbs) and these quantities are related to the work required to vary the surface area of the system considered. \nThe purpose of this seminar is to illustrate the basics of surface tension with a focus on the liquid/vapour interface.
URL:https://www.chimieparistech.psl.eu/evenement-agenda/seminaire-programme-gradue-chimie-psl-52/
CATEGORIES:Séminaire
ATTACH;FMTTYPE=image/png:https://www.chimieparistech.psl.eu/wp-content/uploads/2020/06/chimie1.png
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Europe/Paris:20211014T150000
DTEND;TZID=Europe/Paris:20211014T173000
DTSTAMP:20211014T100414Z
CREATED:20211014T100414Z
LAST-MODIFIED:20211014T100414Z
UID:22405-1634223600-1634232600@www.chimieparistech.psl.eu
SUMMARY:Webinar
DESCRIPTION:Low dimensional superconducting hybrids for novel quantum functionalities\n \nThursday October 14\, at 3 PM\, LPEM welcomes COST meeting “ »Low dimensional superconducting hybrids for novel quantum functionalities »\nSpeakers list\n15:00  Simon Bending Superconducting quantum interference in twisted Van der Waals heterostructures \n15:25 Alexander Mel’nikov Inverse Faraday Effect for Superconducting Condensates \n15:50 Jens Wiebe Topological gaps and precursors of Majorana modes in artificial Shiba chains \n16:15 Alexander Zyuzin Preformed cooper pairs in flat band semimetals \n16:40 Itsuhiro Kakeya Mutual synchronization of non-linear Josephson oscillations mediated by superconducting plasmons of cuprate superconductors \n17:05 Konstantin Arutyunov Quantum fluctuations in quasi-one-dimensional superconductor\n \nBook of abstract can be found at https://nanocohybri.eu/low-dimensional-superconducting-hybrids-for-novel-quantum-functionalities-12-14-october-2021/\nThe seminars will be also broadcasted at Amphi Holweck at ESPCI\, building C\, 1st floor.\n\n\n\n \n \nZoom link: https://us02web.zoom.us/j/82553471175?pwd=K2NpNTQzdUdnK1FleXZaNUx2cEhsUT09\nID: 825 5347 1175\nAccess code: 661426\nPlease\, keep your micro OFF at all times\, except when you are invited to do otherwise. \nContact/to subscribe or unsubscribe: seminaires-lpem@espci.fr
URL:https://www.chimieparistech.psl.eu/evenement-agenda/webinar/
LOCATION:Visioconférence
CATEGORIES:Conférence
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Europe/Paris:20211015T123000
DTEND;TZID=Europe/Paris:20211015T133000
DTSTAMP:20211008T134940Z
CREATED:20210908T115841Z
LAST-MODIFIED:20211008T134940Z
UID:22128-1634301000-1634304600@www.chimieparistech.psl.eu
SUMMARY:Partir en Europe grâce à Erasmus et EELISA
DESCRIPTION:Le 15 octobre 12h30\, les trois écoles d’ingénieurs de l’Université PSL (Chimie ParisTech – PSL\, ESPCI Paris – PSL et Mines ParisTech – PSL) dans le cadre des Erasmus Days organisent un événement pour promouvoir les opportunités de mobilités en Europe aussi bien en stage qu’en étude. \nCe sera l’occasion d’en savoir plus sur Erasmus et grâce à l’Alliance EELISA\, nous aurons des témoignages d’étudiants ayant une expérience de mobilité (Madrid\, Erlangen\, Pise\, Budapest…). Ces témoignages seront en anglais. \nL’évènement a lieu en Amphi Chaudron et réservé aux étudiants de PSL\, mais un lien est disponible pour vous connecter.
URL:https://www.chimieparistech.psl.eu/evenement-agenda/eelisa-erasmus-day/
CATEGORIES:Conférence,International
ORGANIZER;CN="Chimie ParisTech":MAILTO:contact@chimie-paristech.psl.fr
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Europe/Paris:20211018T084500
DTEND;TZID=Europe/Paris:20211018T124500
DTSTAMP:20211011T170247Z
CREATED:20211011T170247Z
LAST-MODIFIED:20211011T170247Z
UID:22381-1634546700-1634561100@www.chimieparistech.psl.eu
SUMMARY:Workshop
DESCRIPTION:Nanopores for detection\nLe Workshop « Nanopores for detection » organisé par l’IMAP (Mathilde Lepoitevin) et le LAMBE (Juan Pelta) aura lieu le 18 octobre à partir de 8h45 à l’ENS\, departement de Chimie\, 24 Rue Lhomond\, 75005 paris\, salle Paul Langevin (limité à 40 personnes) et en hybride (lien zoom apres inscription).\n \nInscription obligatoire:\nhttps://tinyurl.com/43zc787s\n \nNous ferons un point sur les recherches européennes visant à explorer les dévelopement récent pour la détection en temps réel de molécules cibles a l’échelle de la molécule unique. Nous souhaitons répondre à des défis sociétaux tels que la médecine personnalisée par l’analyse ultra-rapide de biomolécules à l’aide de la technologie nanopore. Les intervenants seront Robert Blick (University of Hamburg)\, Mauro Chinappi (UniversiteTor Vergata Roma) et Fred Antson (University of York)\,  et pour le cote industriel\, Filippo Cona (Elements)\, et Luc Lenglet (Dreampore).
URL:https://www.chimieparistech.psl.eu/evenement-agenda/workshop/
CATEGORIES:Evénement
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Europe/Paris:20211018T090000
DTEND;TZID=Europe/Paris:20211018T180000
DTSTAMP:20211013T130714Z
CREATED:20211013T130714Z
LAST-MODIFIED:20211013T130714Z
UID:22399-1634547600-1634580000@www.chimieparistech.psl.eu
SUMMARY:Forum Horizon Chimie 2021
DESCRIPTION:  \nRetrouvez-nous au Forum de la Chimie à la Maison de la Chimie – 28 rue saint-Dominique 75007 Paris.  \nSi vous voulez des informations sur notre école\, venez échanger avec nos enseignants.
URL:https://www.chimieparistech.psl.eu/evenement-agenda/forum-horizon-chimie-2021/
LOCATION:Maison de la Chimie\, 28 Rue Saint-Dominique\, Paris\, 75007
CATEGORIES:Evénement
ORGANIZER;CN="Chimie ParisTech":MAILTO:contact@chimie-paristech.psl.fr
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Europe/Paris:20211021T140000
DTEND;TZID=Europe/Paris:20211021T150000
DTSTAMP:20211015T151050Z
CREATED:20211015T150921Z
LAST-MODIFIED:20211015T151050Z
UID:22409-1634824800-1634828400@www.chimieparistech.psl.eu
SUMMARY:Séminaire Programme Gradué Chimie PSL
DESCRIPTION:Theory of superconductivity due to Ngai’s mechanism in lightly doped SrTiO3 \n  \nBy M. V. Feigel’man\nL.D. Landau Institute for Theoretical Physics\, Chernogolovka\, Russia\nSkolkov Institute of Physics and Technology\, Moscow\,Russia \n  \nWe develop a theory of superconducting pairing in low-density Strontium titanate due to quadratic coupling of electron density to soft transverse optical phonons. It leads to static attractive potential between electrons which decay length scales inversely with soft optical gap. For low electron densities attraction between electrons is local and transition temperature Tc was found. The Tc(n) dependence in agreement with experimental data for low doping was calculated. Next\, we show that suppression of Tc by hydrostatic pressure and strong increase of Tc due to isotopic substitution are explained within our theory. \n  \nZoom link: https://espci.zoom.us/j/84838212479?pwd=ZE05ekpuNHRYYjJMVFAyUHg1TnQ1QT09\nID: 848 3821 2479\nPassword: LevLandau\nContact/to subscribe or unsubscribe: seminaires-lpem@espci.fr
URL:https://www.chimieparistech.psl.eu/evenement-agenda/seminaire-programme-gradue-chimie-psl-54/
LOCATION:Visioconférence
CATEGORIES:Séminaire
ATTACH;FMTTYPE=image/png:https://www.chimieparistech.psl.eu/wp-content/uploads/2020/06/chimie1.png
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Europe/Paris:20211028T103000
DTEND;TZID=Europe/Paris:20211028T113000
DTSTAMP:20211019T132411Z
CREATED:20211019T131224Z
LAST-MODIFIED:20211019T132411Z
UID:22414-1635417000-1635420600@www.chimieparistech.psl.eu
SUMMARY:Séminaire Programme Gradué Chimie PSL
DESCRIPTION:Well-defined Low-valent Cobalt complexes: Simpler and Easier to understand ?\nMarc Petit \nSorbonne Université\n \nWhere ? ESPCI Paris\, escalier C\, niveau 3\, salle Cellule\n\n\n\n\n\n\nIn this presentation we will discusses about two main themes\, the common thread of which is organometallic catalysis with cobalt. One focuses on the activation of E-H bonds (with E = C\, Si\, B\, H …) followed by the functionalization of unsaturated compounds using well-defined low-valent cobalt complexes. The other is focused on the synthesis of nano-objects by organometallic route and their applications in catalysis and in the field of energy. The major concern common to these themes is the design and use of simple\, well-defined\, easy-to-access catalytic systems that can be used without adding additives and are reproducible. This work is based on the understanding of reaction mechanisms\, whether in catalysis but also in the growth of nano-objects.\n\n\n\n \n 
URL:https://www.chimieparistech.psl.eu/evenement-agenda/seminaire-programme-gradue-chimie-psl-55/
LOCATION:ESPCI Paris\, 10 Rue Vauquelin\, Paris\, 75005\, France
CATEGORIES:Séminaire
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BEGIN:VEVENT
DTSTART;TZID=Europe/Paris:20211028T110000
DTEND;TZID=Europe/Paris:20211028T120000
DTSTAMP:20211019T145720Z
CREATED:20211019T145633Z
LAST-MODIFIED:20211019T145720Z
UID:22422-1635418800-1635422400@www.chimieparistech.psl.eu
SUMMARY:Séminaire Programme Gradué Chimie PSL
DESCRIPTION:Emergent phenomena in photosynthesis as an opportunity for improved yields and sensing of plants\n  \nLadislav Nedbal\nInstitute of Bio- and Geosciences/Plant Sciences (IBG-2)\nForschungszentrum Jülich\, D-52428 Jülich\, Germany \n  \nLadislav Nedbal studied theoretical solid-state biophysics\, graduated from the Faculty of Mathematics and Physics\, Charles University\, Prague with Vladislav Čápek\, and did his Ph.D. in the Institute of Microbiology CAS\, Třeboň on photoinhibition of photosynthesis with Ivan Šetlík. During his postdoctoral work in U.Wageningen\, Netherlands\, University of Illinois\, USA\, and ENS Paris\, France he continued studying the biophysics of photosynthesis. He founded a successful\, globally acting company and designed several unique instruments\, including fluorometers and bioreactors for the cultivation of algal biomass. As a member of the Mission Advisory Group\, he participated in preparing the FLEX satellite that will be launched by ESA in 2024. He did his research as a senior scientist in various institutes in the Czech Republic\, at the Hebrew University in Jerusalem\, and\, in the last decade\, at the Forschungszentrum Jülich\, Helmholtz Gemeinschaft in Germany. Currently he serves as a visiting professor at the Département de chimie\, École normale supérieure\, PSL University\, Sorbonne Université\, CNRS. \n  \nPhotosynthesis is the major sun-powered driver of carbon\, oxygen\, nitrogen\, and phosphorus global cycles that maintains the composition of our atmosphere and waters\, stabilizes the global climate\, and provides food and clean water for humankind. The green revolution in the 1960s temporarily reduced hunger in the underprivileged parts of the world by the use of new high-yielding varieties of crops and by the use of new fertilizers and agrochemicals. These enormous benefits brought\, with a delay\, new challenges that will be confronting generations in the 21st century: the global overpopulation and increasing per capita consumption is behind the global change that will cause a new divergence between rich and poor and between the generations. Photosynthesis producing more while significantly reducing cost and load on the environment may allow for more time for scientific\, economic\, and social adaptation in the rapidly changing world. Combining photosynthesis with photovoltaics\, adapting plants to the changing climatic conditions\, using urban environments for local production\, photosynthesis-driven local nutrient cycles from wastewater to soil and crop are often seen as good opportunities.\n \nI shall concentrate in my lecture on our quest for improving photosynthesis yields and for improved sensing of photosynthetic performance by controlled dynamic illumination. We found that the response to harmonically modulated irradiance is highly non-linear\, an emergent phenomenon that will be illustrated by an analogy to a musical instrument. The non-linear response is\, in part\, due to the intrinsic regulatory controls within the plants that are modulated and dependent on the frequency of the sinusoidal light. Identifying frequencies that may lead to less regulatory losses for plant biomass\, or higher production of\, e.g.\, high-value secondary metabolites is one of our goals\, together\, with finding frequencies for remote sensing of regulation and plant stress in fields\, greenhouses\, and urban cultivation systems to be developed.\n \nWe have also shown that sensing photosynthesis in the frequency domain as a response to the periodic harmonically modulated light rather than during dark-to-light transition removes the need for dark adaptation and leads to a higher signal-to-noise ratio\, both fundamentally important in field and greenhouses. By use of photosynthetic mutants\, we have also proved that frequency-domain sensing can identify specific regulatory interactions and can narrow their kinetic characterization.In collaboration with ENS\, we aim at falsification of present mathematical models of the reaction kinetics and at the development of new models that will unveil the potential of non-linear networks for increased photosynthetic yields.    \n   \nLink : https://us02web.zoom.us/j/81520058748?pwd=VXVkalBFR0Z3Rm5CeU54NnEwYzZlQT09\nPassword : 083850\nMeeting ID : 815 2005 8748
URL:https://www.chimieparistech.psl.eu/evenement-agenda/seminaire-programme-gradue-chimie-psl-56/
LOCATION:Visioconférence
CATEGORIES:Séminaire
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BEGIN:VEVENT
DTSTART;VALUE=DATE:20211029
DTEND;VALUE=DATE:20211116
DTSTAMP:20211029T091234Z
CREATED:20211029T091234Z
LAST-MODIFIED:20211029T091234Z
UID:22495-1635465600-1637020799@www.chimieparistech.psl.eu
SUMMARY:Rappel : Inscriptions Workshop
DESCRIPTION:Inscrivez-vous avant le 15 novembre \nDans le cadre de la chaire Saint-Gobain/ESPCI\, nous organisons conjointement\, avec Saint-Gobain\, un workshop le mercredi 8 décembre sur « La mécanique des surfaces et interfaces » en amphi Holweck à l’ESPCI Paris . \nIl y aura 10 présentations couvrants des domaines tels que l’acoustique\, la stabilité des couches minces par voie liquide\, les polymères et les techniques de caractérisations pour les surfaces et interfaces. \nVous trouverez le programme ici \nCe workshop est ouvert à tous mais avec un nombre limité de places. Si vous souhaitez y participer\, je vous demanderais donc de vous inscrire avant le 15 novembre à l’adresse workshop-sgespci@espci.fr\, en y indiquant si vous serez présent le matin/le midi/l’après midi.
URL:https://www.chimieparistech.psl.eu/evenement-agenda/rappel-inscriptions-workshop-2/
CATEGORIES:Evénement
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