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BEGIN:VEVENT
DTSTART;TZID=Europe/Paris:20260423T140000
DTEND;TZID=Europe/Paris:20260423T150000
DTSTAMP:20260404T115121
CREATED:20260403T081518Z
LAST-MODIFIED:20260403T081647Z
UID:10000122-1776952800-1776956400@sfp-alpes.fr
SUMMARY:Hermann SUDEROW (Universidad Autonoma de Madrid)
DESCRIPTION:Millikelvin scanning tunneling spectroscopy in heavy fermions\nRésumé : \nSince its invention over 40 years ago\, Scanning Tunneling Microscopy (STM) has provided an unprecedented window into matter at the atomic scale. By measuring tunneling conductance as a function of voltage with atomic precision\, modern millikelvin STM offers a direct method to characterize the ground state of quantum materials with high energy resolution. I will discuss recent millikelvin STM experiments in the heavy fermion unconventional superconductor UTe2. UTe2 has a unique phase diagram\, which is associated to equal spin pairing superconductivity and may potentially host topological modes at the surface. In this system we have identified a novel electron driven surface charge density wave (CDW)[1]. CDWs are often observed in dichalcogenides\, cuprates\, and pnictides\, and arise from features in the lattice that facilitate electronic charge ordering. CDWs are considered to compete with Kondo screening and are relatively rare in heavy fermion metals. I will discuss the exceptional case of UTe2 and show how we identified the primitive wavevectors of the CDW and established the relationship between the surface CDW and the heavy fermion bulk properties. I will also briefly present recent advances and future prospects for STM\, including novel routes to map the Josephson current at atomic scale [2]\, observation of surface superconductivity [3]\, STM in high vectorial magnetic fields [4] and Replica-STM [5]. \n[1] Surface charge density wave in UTe2\, P. García et al\, arXiv:2504.12505\n[2] The feedback driven atomic scale Josephson microscope\, S.D. Escribano et al\, Nat Com 16\, 5842 (2025).\n[3] Robust surface superconductivity and vortex lattice in the Weyl semimetal g-PtBi2\, J. Moreno et al\, Arxiv 2508.04867.\n[4] Scanning Tunneling Microscopy in high vectorial magnetic fields\, J. Rumeu et al\, Rev. Sci. Instrum. 97\, 033705 (2026).\n[5] Bridging atomic and mesoscopic length scales with Replica Scanning Tunneling Microscopy: Visualizing the intra-unit cell pair density modulation of superconducting FeSe at micron length scale\, M. Agueda\, Arxiv 2602.19678. \n_ \nContact : florence.levy-bertrand@neel.cnrs.fr
URL:https://sfp-alpes.fr/event/hermann-suderow-universidad-autonoma-de-madrid/
LOCATION:CNRS – Salle Rémy Lemaire (K223)\, CNRS - Institut Néel 25 avenue des Martyrs\, Grenoble\, 38042\, France
CATEGORIES:Séminaire
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Europe/Paris:20260424T110000
DTEND;TZID=Europe/Paris:20260424T120000
DTSTAMP:20260404T115121
CREATED:20260402T150508Z
LAST-MODIFIED:20260402T150513Z
UID:10000116-1777028400-1777032000@sfp-alpes.fr
SUMMARY:Mikhail ELTSOV (Institut de Génétique et de Biologie Moléculaire et Cellulaire\, Illkirch)
DESCRIPTION:Seeing chromatin in situ : advances and challenges of human and machine vision\nRésumé : \nUsing cryo-electron tomography of vitreous sections\, we directly visualized nucleosomes and linker DNA trajectories in situ within flash frozen Drosophila embryos. Measurements of linker length and curvature revealed an irregular zigzag pattern of chromatin folding characterized by relatively limited linker bending. In favorable orientations\, individual nucleosome particles and their structural variants could be identified without the need for structural averaging. Moreover\, we detected particles containing a variable number of DNA gyres\, ranging from fewer than one to up to three\, resembling previously proposed non-octameric nucleosome-like particles. \nTo place these structural observations in the context of functional chromatin organization\, we are developing computational approaches for nucleosome identification in cellular tomograms. We believe that our approach\, Template Learning\, based on training deep-learning networks on synthetic tomographic data\, can provide a general framework for detecting small macromolecular complexes in crowded cellular environments. \n— \nHôte : Irina Gutsche (IBS/MICA)
URL:https://sfp-alpes.fr/event/mikhail-eltsov-institut-de-genetique-et-de-biologie-moleculaire-et-cellulaire-illkirch/
LOCATION:IBS – Salle des séminaires\, IBS 71 avenue des Martyrs\, Grenoble\, 38042\, France
CATEGORIES:Séminaire
ORGANIZER;CN="IBS":MAILTO:ibs.seminaires@ibs
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Europe/Paris:20260424T123000
DTEND;TZID=Europe/Paris:20260424T131500
DTSTAMP:20260404T115121
CREATED:20260306T093903Z
LAST-MODIFIED:20260402T140219Z
UID:10000096-1777033800-1777036500@sfp-alpes.fr
SUMMARY:Pierre CAPLIER (Directeur adjoint du centre CEA de Grenoble)
DESCRIPTION:70 ans du centre CEA de Grenoble : flashback sur l’histoire du centre et ses évolutions\nRésumé : \nNé dans le sillage de la création du Commissariat à l’énergie atomique en 1945\, le Centre d’études nucléaires de Grenoble (CENG) a vu le jour en 1956 sous l’impulsion de Louis Néel\, avec une vision fondatrice : faire dialoguer recherche fondamentale et technologique\, innovation et industrie au service de la société. \nDepuis sept décennies\, le centre n’a cessé de se transformer. De la recherche nucléaire historique aux défis contemporains du numérique\, de l’énergie\, de la santé\, des matériaux et de l’environnement\, il a su anticiper les mutations scientifiques et technologiques\, tout en restant fidèle à son esprit pionnier et à sa culture de coopération. \nUn voyage dans le temps pour comprendre comment cette aventure scientifique\, profondément ancrée à Grenoble\, contribue à façonner des innovations qui impactent notre quotidien. Parce que comprendre d’où l’on vient\, c’est aussi éclairer ce que nous construisons pour demain. \nÀ propos de l’intervenant \nPierre Caplier est le directeur adjoint du centre CEA de Grenoble depuis 4 ans. Après plusieurs expériences à l’étranger (dans le cadre de la construction du Tunnel sous la Manche) et dans l’industrie en région AuRA (microélectronique et chimie fine)\, il a été recruté au CEA en 2005 pour prendre la responsabilité du Service Facilities du CEA-Leti\, en charge de l’exploitation et des projets dans les salles blanches. Il a ensuite occupé les fonctions d’adjoint opérationnel au chef du département optique et photonique\, toujours au LETI\, puis celles d’adjoint au directeur de l’institut CEA-Irig dépendant de la Direction de la recherche fondamentale\, en charge du soutien à la recherche. \nContact : giant.campus@cea.fr
URL:https://sfp-alpes.fr/event/pierre-caplier-directeur-adjoint-du-centre-cea-de-grenoble/
LOCATION:Amphi Minatec\, 3 parvis Louis Néel\, Grenoble\, 38054\, France
CATEGORIES:Séminaire
ORGANIZER;CN="GIANT":MAILTO:giant.campus@cea.fr
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Europe/Paris:20260428T140000
DTEND;TZID=Europe/Paris:20260428T150000
DTSTAMP:20260404T115121
CREATED:20260326T140308Z
LAST-MODIFIED:20260326T140314Z
UID:10000110-1777384800-1777388400@sfp-alpes.fr
SUMMARY:Elizabeth TILLY (University of New Mexico)
DESCRIPTION:Directional Detection as a Tool for Rare-Event Searches\nRésumé : \nMeasuring the initial scattering angle of a particle track provides powerful discrimination in rare-event searches and can enhance detector characterization. The Migdal effect–characterized by a nuclear recoil and an electron recoil originating from the same vertex–is an inherently directional signal. In this talk\, I will present my work with the Migdal In Galactic Dark mAtter expLoration (MIGDAL) experiment which uses a GEM-based TPC. I will discuss the development of our 3D track reconstruction algorithms and studies exploiting its angular resolution to characterize detector response. I will also discuss measurements of drift properties in negative ion drift gas mixtures\, maximizing noble gas components with the aim of improving spatial resolution for MIGDAL Phase II. Together these demonstrate the power and versatility of precise directional track reconstruction for next-generation rare-event searches. \n— \nHanno Filter (College 3 Secretary) \nExternal visitors may ask for a site access to tellier@ill.fr
URL:https://sfp-alpes.fr/event/elizabeth-tilly-university-of-new-mexico/
LOCATION:ILL – Salle de Séminaire (110-111)\, ILL 50 71 avenue des Martyrs\, Grenoble\, 38042\, France
CATEGORIES:Séminaire
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Europe/Paris:20260430T080000
DTEND;TZID=Europe/Paris:20260430T090000
DTSTAMP:20260404T115121
CREATED:20260213T095231Z
LAST-MODIFIED:20260213T095238Z
UID:10000069-1777536000-1777539600@sfp-alpes.fr
SUMMARY:Emilie GAGNEPAIN & Vincent DATRY (Service : Clinique de Chirurgie Thoracique et Endocrinienne)
DESCRIPTION:Découverte fortuite\, décision réfléchie : l’incidentalome surrénalien en pratique\nContact : sante-communication@univ-grenoble-alpes.fr
URL:https://sfp-alpes.fr/event/emilie-gagnepain-vincent-datry-service-clinique-de-chirurgie-thoracique-et-endocrinienne/
LOCATION:CHU – Salle Gilbert Faure\, CHU Grenoble Alpes Pavillon Vercors (côté Belledonne)\, La Tronche\, 38043\, France
CATEGORIES:Séminaire
ORGANIZER;CN="CHU Grenoble":MAILTO:sante-communication@univ-grenoble-alpes.fr
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Europe/Paris:20260505T090000
DTEND;TZID=Europe/Paris:20260505T100000
DTSTAMP:20260404T115121
CREATED:20260402T153041Z
LAST-MODIFIED:20260402T153041Z
UID:10000117-1777971600-1777975200@sfp-alpes.fr
SUMMARY:Yukiko TAKAHASHI (NIMS\, Japan)
DESCRIPTION:Material development for HAMR and its prospects\nRésumé : \n\n\nWith the rapid expansion of IoT and digital transformation\, data centers demand ever-higher storage densities. Heat-assisted magnetic recording (HAMR) employs L1₀-FePt\, whose magnetic anisotropy is an order of magnitude larger than that of conventional CoCrPt\, enabling ultrahigh-density recording. Achieving areal densities beyond 4 Tbit/in² requires granular films with grain sizes ~4.3 nm and narrow inter-grain pitch with ~1 nm [1]. However\, conventional segregant systems such as FePt-C and FePt-BN have not yet simultaneously satisfied the required microstructural and magnetic criteria.\n​​ To overcome this limitation\, we introduced a data- driven materials design framework using the NIMS Research Data Express (RDE) platform. By collecting experimental datasets and applying machine learning to FePt-C and FePt-BN systems\, we predicted sputtering conditions that led to FePt-BN-C granular films with sub-6 nm grain sizes and coercivities up to 3.7 T. Although iterative prediction cycles improved the microstructure to 4.9 nm grains\, the results also clarified the intrinsic difficulty of meeting all 4 Tbit/in² requirements within this materials system alone.\n​​Beyond materials optimization\, three-dimensional magnetic recording offers an additional pathway toward higher areal density. As a proof of concept\, FePt-C/Ru-C/FePt-C trilayers were fabricated\, demonstrating epitaxial stacking and distinct magnetic switching behaviors arising from different ordering states in the upper and lower FePt layers [2]. Strategies to improve the structural and magnetic quality of the upper layer will be discussed.\n​​\n​​ [1] D. Weller et al.\, IEEE Trans. Magn. 50\, 3100108 (2014).\n​​ [2] P. Tozman et al.\,Acta Mater. 271\, 119869 (2024).\n​​\nMore information : https://www.spintec.fr/seminar-material-development-for-hamr-and-its-prospects/​​\n​\nVisioconference : https://univ-grenoble-alpes-fr.zoom.us/j/98769867024?pwd=dXNnT3RMeThjYStybGVQSUN0TVdJdz09​​\n​​\n​– \n\n\n\n​ Accès : access to CEA require​s an entry au​thorization. Request it : admin.spintec@cea.fr​
URL:https://sfp-alpes.fr/event/yukiko-takahashi-nims-japan/
LOCATION:CEA – Salle de Séminaire IRIG (1005 – 445)\, Laboratoire Irig/Spintec\, salle de séminaire 445\, bâtiment 1005\, CEA-Grenoble\, Grenoble
CATEGORIES:Séminaire
ORGANIZER;CN="IRIG - CEA":MAILTO:odile.rossignol@cea.fr
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Europe/Paris:20260521T080000
DTEND;TZID=Europe/Paris:20260521T090000
DTSTAMP:20260404T115121
CREATED:20260213T095541Z
LAST-MODIFIED:20260213T095549Z
UID:10000070-1779350400-1779354000@sfp-alpes.fr
SUMMARY:Perrine BOUCHEIX & Marc PADILLA (Service : Unité de coordination de don d'organes)
DESCRIPTION:Don d’organes : tous concernés !\nContact : sante-communication@univ-grenoble-alpes.fr
URL:https://sfp-alpes.fr/event/perrine-boucheix-marc-padilla-service-unite-de-coordination-de-don-dorganes/
LOCATION:CHU – Salle Gilbert Faure\, CHU Grenoble Alpes Pavillon Vercors (côté Belledonne)\, La Tronche\, 38043\, France
CATEGORIES:Séminaire
ORGANIZER;CN="CHU Grenoble":MAILTO:sante-communication@univ-grenoble-alpes.fr
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Europe/Paris:20260604T160000
DTEND;TZID=Europe/Paris:20260604T170000
DTSTAMP:20260404T115121
CREATED:20260213T142628Z
LAST-MODIFIED:20260213T143322Z
UID:10000071-1780588800-1780592400@sfp-alpes.fr
SUMMARY:Sophie GUERON
DESCRIPTION:Explorer les isolants topologiques avec la physique mésoscopique\n_ \nToutes les informations sont disponibles sur : https://indico.ijclab.in2p3.fr/event/12406/ \nContact : louis.fayard@IJCLAB.INP3.FR
URL:https://sfp-alpes.fr/event/sophie-gueron/
LOCATION:Laboratoire IJCLab – Auditorium Pierre Lehmann\, Rue Ampère\, Orsay cedex\, 91898\, France
CATEGORIES:Séminaire
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Europe/Paris:20260623T110000
DTEND;TZID=Europe/Paris:20260623T120000
DTSTAMP:20260404T115121
CREATED:20260326T142350Z
LAST-MODIFIED:20260326T142357Z
UID:10000111-1782212400-1782216000@sfp-alpes.fr
SUMMARY:Lucas GOEHRING (Nottingham Trent University (UK))
DESCRIPTION:Structure formation in paints and coatings\nRésumé : \nPaints and coatings are typically a mix of small particles\, like pigments\, along with a polymer glue or binder. Similar products include inks\, varnishes\, cosmetics\, ceramics and even the lithium-ion battery electrodes that power modern electric vehicles. These materials are prepared as a liquid\, spread over a surface\, and dried.  As anyone who has painted a wall will know\, however\, this process can easily go wrong. Even a well-prepared paint can develop an undesirable skin and wrinkle\, crack\, or peel\, and these coatings can also visibly degrade over time. \nIn this talk I will go through the key stages of film formation\, or how a colloidal dispersion dries.  I will show how small angle scattering experiments (SANS/SAXS) helped to elucidate how the structure of the film changes during drying\, evolving from a dilute gas of particles\, into a transient gel where capillary pressures balance electrostatic repulsion\, to a final aggregated solid. I will then turn to look at how the insight gained has led to a better understanding of mechanical instabilities like fracture\, shear banding\, birefringence\, and peeling\, as well as revealing an unexpected route to colloidal crystallisation. \nFinally\, I will summarise our recent work using neutron scattering techniques to investigate blanching\, a degradation process that can cause a visible whitening in the traditional varnishes that are used as a protective outer coating on many historically and artistically important paintings. \nSpeaker’s website: https://www.ntu.ac.uk/staff-profiles/science-technology/lucas-goehring \n— \nOrsolya Czakkel (College 9 Secretary) \nExternal visitors may ask for a site access to tellier@ill.fr \nZoom link: https://ill.zoom.us/j/95581858117?pwd=hh9paEQj6BF8u9WYzfZkvZaGspe1i3.1  – Passcode: 078610 \n 
URL:https://sfp-alpes.fr/event/lucas-goehring-nottingham-trent-university-uk/
LOCATION:ILL – Salle de Séminaire (110-111)\, ILL 50 71 avenue des Martyrs\, Grenoble\, 38042\, France
CATEGORIES:Séminaire
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Europe/Paris:20260630T103000
DTEND;TZID=Europe/Paris:20260630T113000
DTSTAMP:20260404T115121
CREATED:20260326T145827Z
LAST-MODIFIED:20260326T145855Z
UID:10000113-1782815400-1782819000@sfp-alpes.fr
SUMMARY:Carlotta PORZIO (CERN\, Switzerland)
DESCRIPTION:Experimental activities at the ISOLDE-CERN facility\nRésumé : \nThe ISOLDE factily at CERN is one of the world-leading laboratories for the production of radioactive ion beams (RIBs) with the ISOL (Isotope Separation On-Line) method. More than 1000 isotopes of over 70 chemical elements have been produced via the interaction of a 1.4 GeV proton beam with a variety of target materials. After ionization and mass separation\, the beams can be delivered at low energy or post-accelerated up to about 10 MeV/u using the HIE-ISOLDE linear accelerator. The facility supports a broad scientific program\, spanning nuclear structure studies\, nuclear astrophysics\, materials science\, life sciences\, and investigations of fundamental interactions. \nAmong the experimental setups available at HIE-ISOLDE\, the Miniball gamma-ray spectrometer is employed to investigate both collective and single-particle properties of exotic nuclei. Combined with the post-accelerated radioactive ion beams\, Miniball enables nuclear structure studies via Coulomb excitation and nucleon-transfer reactions. \nThis seminar will provide an introduction to the ISOLDE facility and the ISOL RIB production method\, and an overview of experimental setups and techniques\, with a focus on the Miniball spectrometer. \n— \nHanno Filter (College 3 Secretary \nExternal visitors may ask for a site access to tellier@ill.fr \n 
URL:https://sfp-alpes.fr/event/carlotta-porzio-cern-switzerland/
LOCATION:ILL – Salle de Séminaire (110-111)\, ILL 50 71 avenue des Martyrs\, Grenoble\, 38042\, France
CATEGORIES:Séminaire
END:VEVENT
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