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DTSTART;VALUE=DATE:20260706
DTEND;VALUE=DATE:20260711
DTSTAMP:20260707T154119Z
CREATED:20260707T153958Z
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SUMMARY:TheMoSiA 2026
DESCRIPTION:We are pleased to announce that the 19th edition of the TheMoSiA conference (formerly RCTF) will take place in Nantes\, France\, from July 6 to 10\, 2026. \nThe research areas will cover a broad spectrum of theory\, modeling\, and simulationat the atomic level\, ranging from advanced methodological innovations to practical applications\, while pushing the boundaries of the latest techniques in theoretical and computational chemistry\, materials science\, and biology. \nThe program will include 8 keynote lectures\, 13 full-length oral presentations\, 29 short oral presentations\, 12 flash presentations\, 3 sponsor sessions\, and 2 poster sessions\, so that all participants can present their research in English. Various prizes and sponsors will be featured\, and a traditional social afternoon will be organized\, all set in the eco-friendly environment of Île de Nantes (Halle 6).  \nMore information:  https://themosia2026.sciencesconf.org/
URL:https://www.cnrs-imn.fr/en/event/themosia-2026/
LOCATION:Hall 6\, Nantes\, 42 Rue la Tour d'Auvergne\, Nantes\, France
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BEGIN:VEVENT
DTSTART;TZID=Europe/Paris:20260722T140000
DTEND;TZID=Europe/Paris:20260722T153000
DTSTAMP:20260720T085142Z
CREATED:20260520T163136Z
LAST-MODIFIED:20260720T085142Z
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SUMMARY:Romain Berthelot Seminar
DESCRIPTION:Solid-state design of crystalline alkali-mixed layered compounds \n \nRomain BERTHELOT \nCharles Gerhardt Institute of Montpellier\, CNRS\, UM\, ENSCM\, France \nSolid-state chemists have long explored alkali transition metal layered compounds as a playground for discovering new compositions and tuning crystal structures and physical or electrochemical properties. In these materials\, cation substitution within the transition metal layers is generally facilitated by the similar ionic radii of many elements in octahedral coordination. By contrast\, modifying the interlayer space is far more constrained\, as differences in size and site symmetry hinder the incorporation of multiple alkali elements.   \nHere\, we show that these limitations can be overcome through carefully designed synthesis strategies. A range of layered oxides and sulfides is explored\, yielding new mixed-alkali compositions with two distinct cation distributions: either a disordered arrangement within a single interlayer or an ordered stacking of chemically distinct alkali layers.  \nResolving these complex structures remains a central challenge\, particularly with regard to locating alkali ions and accounting for stacking defects. To address this\, we combine complementary techniques: X-ray and neutron powder diffraction to probe long-range order\, alongside high-resolution transmission electron microscopy and solid-state NMR to access local structural environments. Density functional theory calculations further rationalize the stability of the observed arrangements.   \nTogether\, these results uncover new structural motifs in layered materials and provide guidelines for the targeted design of mixed-alkali transition metal layered compounds. \n \nContact: Romain Wernert/Thierry Brousse (ST2E)
URL:https://www.cnrs-imn.fr/en/event/mathieu-g-seminar-silly-3/
LOCATION:Amphi IMN Lombarderie
ATTACH;FMTTYPE=image/jpeg:https://www.cnrs-imn.fr/wp-content/uploads/2026/05/Romain_Berthelot.jpg
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BEGIN:VEVENT
DTSTART;TZID=Europe/Paris:20260827T140000
DTEND;TZID=Europe/Paris:20260827T153000
DTSTAMP:20260824T075936Z
CREATED:20260818T122406Z
LAST-MODIFIED:20260824T075936Z
UID:6827-1787839200-1787844600@www.cnrs-imn.fr
SUMMARY:Thomas Bidaud Seminar
DESCRIPTION:Optoelectronic Analysis of Submicrometer-Scale Materials: How Can Optical or Transport Properties Be Measured at the Nanostructure Scale? \n \nThomas BIDAUD \nInstitut des Matériaux de Nantes Jean Rouxel \nThe purpose of this seminar is to present the operating principle as well as various characterization techniques and methods for determining optical and/or transport properties in submicrometer-scale structures. These tools rely on the use of an electronic probe that enables localized excitation. The study of “cathodoluminescence ” (CL)\, “electron beam induced current” (EBIC)\, and “electron back-scattered diffraction” (EBSD) resulting from this excitation helps improve our understanding of the mechanisms at work within nanostructures.   \nOptical physical quantities (gap\, polarization) or transport properties (τ\, Ldiff) can thus be determined from this type of measurement. Superimposing these different maps provides a particularly powerful tool for locating and determining the physicochemical origin of loss mechanisms within materials.\nBy combining these nanoscale measurements with characterizations performed at the device scale (PL/RAMAN/XRD)\, a multiscale analysis can be conducted to better understand the phenomena that limit the performance of these devices. Thus\, a research project based on these various methods will be presented during this seminar.   \n \nNext\, Attolight AG\, a company that develops measurement tools based on electron microscopy\, will present various characterization solutions\, including the Allalin platform and several add-ons for electron microscopes.\nOriginally designed to perform quantitative cathodoluminescence (qCL) and time-resolved cathodoluminescence (TRCL) measurements\, the Allalin platform has gradually evolved through the integration of additional features. These include\, in particular\, photoluminescence (PL)\, time-resolved photoluminescence (TRPL)\, Raman spectroscopy\, as well as the adaptation of nanoprobes for performing local electrical measurements (EBIC/EBAC) and electroluminescence (EL).  \nNow in use at more than 20 public and private research centers around the world\, the Allalin platform enables unprecedented analyses in numerous fields\, including semiconductors\, optics and photonics\, lasers\, thin films\, and nano-objects.
URL:https://www.cnrs-imn.fr/en/event/thomas-bidaud-seminar/
LOCATION:IMN Board Room
ATTACH;FMTTYPE=image/jpeg:https://www.cnrs-imn.fr/wp-content/uploads/2026/02/bidaud_thomas.jpg
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BEGIN:VEVENT
DTSTART;VALUE=DATE:20260901
DTEND;VALUE=DATE:20260904
DTSTAMP:20260720T140002Z
CREATED:20260615T084503Z
LAST-MODIFIED:20260720T140002Z
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SUMMARY:15th France-Japan Symposium on Lithium Batteries and Next Generations
DESCRIPTION:The purpose of the 15th France-Japan Symposium on Lithium Batteries and Next Generations is to provide a forum for French and Japanese researchers to present and discuss recent developments related to next-generation batteries. \nThis seminar focuses on advanced lithium-ion batteries\, all-solid-state batteries\, air batteries\, sodium-ion batteries\, multivalent cation batteries\, supercapacitors\, redox flow batteries\, high-power systems\, and new electrochemical energy storage devices. Developments in positive and negative electrodes\, electrolytes\, and in situ/operando techniques will be discussed.  \nFor more information: https://fr-jp-li-batt15.sciencesconf.org/?lang=fr
URL:https://www.cnrs-imn.fr/en/event/next-french-japanese-meeting/
LOCATION:Amphi IMN Lombarderie
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