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DTSTART;TZID=Europe/Paris:20260827T140000
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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
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DTSTART;VALUE=DATE:20260901
DTEND;VALUE=DATE:20260904
DTSTAMP:20260720T140002Z
CREATED:20260615T084503Z
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UID:6396-1788220800-1788479999@www.cnrs-imn.fr
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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