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BEGIN:VEVENT
DTSTART;TZID=Europe/Paris:20260402T103000
DTEND;TZID=Europe/Paris:20260402T113000
DTSTAMP:20260405T162154
CREATED:20260320T100322Z
LAST-MODIFIED:20260320T100733Z
UID:10000103-1775125800-1775129400@sfp-alpes.fr
SUMMARY:Karine PHILIPPOT (Laboratoire de Chimie de Coordination du CNRS (LCC-CNRS)\, Toulouse\, France)
DESCRIPTION:Design of nanocatalysts following molecular chemistry principles\nRésumé : \nDue to their singular properties and potential applications in various fields\, considerable effort is being devoted to the design of metal-based nanomaterials. The « Metal Nanoparticle Engineering » team at LCC-CNRS (Toulouse\, France) has developed an effective toolkit for the synthesis of controlled metal nanoparticles using concepts from molecular chemistry. This approach is based on the hydrogenation of organometallic or metallo-organic complexes under mild conditions (ambient temperature; 3 bar H2) in the presence of ligands as stabilising agents. (1) This approach makes it possible to obtain small nanoparticles (<10 nm) with controlled composition\, either monometallic or bimetallic (alloy\, core-shell\, surface-decorated). These nanoparticles can be deposited on a support by simple impregnation or by direct synthesis in the presence of the chosen support (polymers\, ionic liquids\, silica\, alumina\, carbonaceous materials\, etc.). These metal nanoparticle systems are suitable models for fundamental research. They find applications in various fields such as catalysis. (2\,3) Non exhaustive examples concern biomass valorization (4)\, hydrogenation catalysis (4-6) including reduction of CO2\, (7) or electrocatalytic (8-11) or photocatalytic (12-13) water splitting process. \nReferences : \n1 C. Amiens\, D. Ciuculescu-Pradines\, K. Philippot\, Coord. Chem. Rev.\, 2016\, 38\, 409-432.\n2 M. R. Axet\, K. Philippot\, Chem. Rev 2020\, Chem. Rev. 2020\, 120\, 2\, 1085-1145.\n3 Nanoparticles in Catalysis: Advances in Synthesis and Applications\, Wiley-VCH\, K. Philippot & A. Roucoux (Eds.)\, 2021.\n4 M. Cardona\, P. Lecante\, C. Dinoi\, I. del Rosal\, R. Poteau\, K. Philippot\, M. Rosa Axet\, Green Chemistry\, 2021\, 23\, 8480-8500.\n5 C. J Abou-Fayssal\, C. Fliedel\, R. Poli\, A. Riisager\, K. Philippot\, E. Manoury\, Materials Today Chemistry\, 2023\, 34\, 101752 (https://doi.org/10.1016/j.mtchem.2023.101752).\n6 D. Krishnan\, L. Schill\, M. R. Axet\, K. Philippot\, A. Riisager\, ChemCatChem 2024\,16(4) : e20230144.\n7 X.-P. Fu\, L. Peres\, J. Esvan\, C. Amiens\, K. Philippot\, N. Yan\, Nanoscale\, 2021\, 13\, 8931-8939.\n8 J. Creus\, S. Drouet\, S. Suriñach\, P. Lecante\, V. Collière\, R. Poteau\, K. Philippot\, J.García-Antón\, X. Sala\, ACS Catalysis.\, 2018\, 8\, 11094-11102.\n9 L. Mallón\, J. Navarro-Ruiz\, C. Cerezo-Navarrete\, N. Romero\, I. del Rosal\, J. García-Antón\, R. Bofill\, L. M. Martínez-Prieto\, K. Philippot\, R. Poteau\, X. Sala\, ACS Applied Materials &\nInterfaces 2025\, 17(4)\, 6198-6210.\n10 Nanoscale NiCu electrocatalyst for the hydrogen evolution reaction\, T. Straistari\, N. Romero\, J. Esvan\, M. Gil Sepulcre\, C. Amiens\, O. Rüdiger\, S. Debeer\, S. Cavaliere\, K. Philippot\, Nanoscale 2025\, 17\, 17592-17603.\n11 Regulating NiFeOOH oxidation states through ruthenium incorporation\, L. Mallón\,1\, L. Peres\, N. Rivas\, A. Garzón Manjón\, C. Scheu\, M. Gil-Sepulcre\, O. Rüdiger\, S. DeBeer\, N. Romero\, J.\nEsvan\, J. García-Antón\, L. Rodríguez-Santiago\, X. Solans-Monfort\, R. Bofill\, K. Philippot\, L. Francàs\, X. Sala\, J. Mater. Chem. A\, 2026\, in press.\n12 N. Romero\, F. Sabuzi\, M. Forchetta\, M. Natali\, R. Signorini\, R. Bofill\, L. Francàs\, M. Gil-Sepulcre\, O. Rüdiger\, S. DeBeer\, J. García-Antón\, K. Philippot\, P. Galloni\, A. Sartorel\, X. Sala\, Green Chemistry 2025\, 27\, 4352-4368.\n13 Dyadic Ru-based Nanomaterials for Visible Light-driven Photocatalytic Hydrogen Evolution\, G. Martí\, M. Aliqué\, I. López\, L. Francàs\, R. Bofill\, O. Schott\, G. S. Hanan\, N. Romero\, K. Philippot\, A. Llobet\, M. Natali\, J. García-Antón\, X. Sala\, Applied Surface Science\, 2026\, 716\, 164621 \nContact : carole.duboc@univ-grenoble-alpes.fr
URL:https://sfp-alpes.fr/event/karine-philippot-laboratoire-de-chimie-de-coordination-du-cnrs-lcc-cnrs-toulouse-france/
LOCATION:DCM – Salle C209\, DCM - Bât Chimie Recherche 301 rue de la Chimie\, St Martin d'Hères\, 38400\, France
CATEGORIES:Séminaire
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Europe/Paris:20260402T160000
DTEND;TZID=Europe/Paris:20260402T183000
DTSTAMP:20260405T162154
CREATED:20260206T152029Z
LAST-MODIFIED:20260206T152359Z
UID:10000057-1775145600-1775154600@sfp-alpes.fr
SUMMARY:Carole ESCARTIN (directrice de recherche à NeuroPSI\, CNRS\, Université Paris-Saclay)
DESCRIPTION:Les cellules gliales dans les maladies neurodégénératives : rôles émergents et potentiel thérapeutique\nRésumé : \nLes neurones ne sont pas seuls dans le cerveau. A leur côté\, plusieurs types de cellules\, collectivement appelées « cellules gliales »\, remplissent de nombreux rôles essentiels pour le bon fonctionnement et la survie des neurones. Ces cellules leur apportent des substrats énergétiques\, assurent la défense contre des pathogènes\, éliminent certains déchets cellulaires\, et même régulent la façon dont les neurones transmettent et traitent l’information nerveuse. \nAu final\, les cellules gliales qui restent souvent dans l’ombre des neurones\, sont des partenaires actifs permettant au cerveau de fonctionner\, mais aussi d’apprendre et de s’adapter. \nDepuis plusieurs années\, les chercheurs découvrent que ces cellules jouent aussi un rôle important dans de nombreuses maladies qui touchent le cerveau. En effet\, ces cellules se transforment en contexte pathologique\, elles sont dites « réactives ». Ces changements peuvent avoir des conséquences majeures – positives ou négatives – sur les neurones et leur survie. \nLes cellules gliales sont l’objet d’études variées pour comprendre leurs rôles dans le cerveau sain et pathologique\, ouvrant des nouvelles pistes thérapeutiques pour de nombreuses maladies cérébrales. \n_ \nToutes les informations sont disponibles sur : https://indico.ijclab.in2p3.fr/event/12390/ \nContact : louis.fayard@IJCLAB.INP3.FR \n 
URL:https://sfp-alpes.fr/event/carole-escartin-directrice-de-recherche-a-neuropsi-cnrs-universite-paris-saclay/
LOCATION:Laboratoire IJCLab – Auditorium Pierre Lehmann\, Rue Ampère\, Orsay cedex\, 91898\, France
CATEGORIES:Séminaire
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Europe/Paris:20260403T110000
DTEND;TZID=Europe/Paris:20260403T120000
DTSTAMP:20260405T162154
CREATED:20260402T145658Z
LAST-MODIFIED:20260402T145805Z
UID:10000115-1775214000-1775217600@sfp-alpes.fr
SUMMARY:Juan FONTECILLA-CAMPS (IBS/Groupe Métalloprotéines)
DESCRIPTION:Origin and evolution of the eukaryotic cell : the emergence of cooperation\, competition and altruisme\nRésumé : \n\nThe evolutionary transition from prokaryotes to eukaryotes most likely involved the fusion of an archeon with a bacterium. One important consequence of this fusion was an increase in mean gene length in protists to about 1500 nucleotides\, and corresponding 500 amino acids-long proteins. The subsequent evolution of plants and metazoans resulted in a lengthening of their genes (to over 10\,000 nucleotides per gene in vertebrates). However\, the coded proteins remained at an average length of also about 500 amino acids. The significance of the difference in gene length but constant protein size has been the subject of some controversy.\nA second result of the evolutionary transition from prokaryotes to eukaryotes was the emergence of competition\, cooperation and even altruism\, between cells. These interactions cover a large spectrum going from single-cell organisms to mammals like us. Indeed\, recent studies have shown that cancer cells do collaborate during tumor growth.​\n\nThese two subjects will be discussed during the seminar.​​​\n\n\n—\n\n\nLes séminaires et soutenances sont ouverts à tous\, notez toutefois que l’accès au campus EPN nécessite un avis de rendez-vous. Merci de remplir ce formulaire  et de l’adresser\, plus de 48h à l’avance\, à ce contact. Pensez à vous munir d’une pièce d’identité le jour de votre visite.
URL:https://sfp-alpes.fr/event/juan-fontecilla-camps-ibs-groupe-metalloproteines/
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:20260407T110000
DTEND;TZID=Europe/Paris:20260407T120000
DTSTAMP:20260405T162154
CREATED:20260320T150306Z
LAST-MODIFIED:20260320T150310Z
UID:10000105-1775559600-1775563200@sfp-alpes.fr
SUMMARY:Rajeesh KUMAR N  (Research Associate\, Experimental Physics IV – Solid State Physics\, Ruhr-Universität Bochum\, Germany)
DESCRIPTION:Magnetism and spin dynamics of a weakly interacting rare-earth stretched diamond lattice\nRésumé : \nIn condensed matter physics\, a quantum-disordered ground state is characterized by the absence of long-range order down to absolute zero temperature\, where the disorder is driven by quantum fluctuations that persist even at T=0. On the other hand\, the magnetism of rare-earth materials is particularly intriguing as it originates from their localized 4f electrons\, which exhibit strong spin–orbit coupling\, pronounced magnetic anisotropy\, and relatively weak exchange interactions between magnetic ions. These unique characteristics\, when combined with suitable lattice geometry\, can give rise to a wide variety of unconventional magnetic ground states. \nA diamond magnetic lattice is a bipartite network and in its ideal form\, does not exhibit geometric frustration. However\, “stretched” diamond lattices have recently gained attention where frustration can emerge due to competition between nearest-neighbor (J1) and next-nearest-neighbor (J2) exchange interactions\, despite preserving the bipartite nature. In this context\, we investigate the magnetic ground state of the rare-earth molybdate compound Na5Yb(MoO4)4\, which crystallizes in a stretched diamond magnetic lattice. This compound can be viewed as a complex derivative of the conventional scheelite- type ABO4 structure\, crystallizing in the tetragonal space group I41/a. The magnetic lattice in Na5Yb(MoO4)4 is highly unusual\, featuring a remarkably large nearest-neighbor Yb–Yb separation of approximately 6.3 Å\, in contrast to previously studied stretched-diamond systems where the J1 distance typically lies in the range of 3–5 Å and is predominantly governed by superexchange interactions. Furthermore\, the next-nearest-neighbor (J2) Yb–Yb distance exceeds 9 Å\, significantly weakening the J2 exchange interactions. As a result\, magnetic frustration arising from competing J1–J2 exchange is significantly suppressed in Na5Yb(MoO4)4\, distinguishing it from other frustrated diamond-lattice systems. \nWe employ neutron and synchrotron X-ray diffraction to elucidate the structural details of Na5Yb(MoO4)4. The magnetic properties and ground state are investigated using bulk magnetic susceptibility measurements\, specific heat studies\, and muon spin relaxation (μSR) experiments. In addition\, density functional theory calculations within the DFT+U framework are used to provide theoretical support for the experimental findings. Our results establish Na5Yb(MoO4)4 as a rare example of a dipolar quantum paramagnet in which single-ion physics and long-range dipolar interactions dominate\, while exchange interactions are suppressed to the millikelvin energy scale. \nReference \n1. N. D. Kelly et al.\, Physical Review Materials 6\, 044410 (2022).\n2. A. Chauhan et al.\, Physical Review B 108\, 134424 (2023).\n3. J. Kumar et al.\, Physical Review B 111\, 014411 (2025).\n4. T. Arh et al.\, Nat. Mater. 21\, 416 (2022). \n  \nCollege 5B Secretary \nAlberto Rodriguez Velamazan \nExternal visitors may ask for a site access to Brigitte Dubouloz (dubouloz@ill.fr)
URL:https://sfp-alpes.fr/event/rajeesh-kumar-n-research-associate-experimental-physics-iv-solid-state-physics-ruhr-universitat-bochum-germany/
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:20260408T140000
DTEND;TZID=Europe/Paris:20260408T150000
DTSTAMP:20260405T162154
CREATED:20260320T150834Z
LAST-MODIFIED:20260320T151400Z
UID:10000106-1775656800-1775660400@sfp-alpes.fr
SUMMARY:Javier CAMPO (Aragón Nanoscience and Materials Institute (CSIC - Universidad de Zaragoza)  Zaragoza\, Spain)
DESCRIPTION:A new magnetic state\, “B-Phase”\, found in MnSi at Low Temperatures \nRésumé : \nIn cubic chiral magnets\, Dzyaloshinskii-Moriya (DM) interactions within the chiral crystal structure result in diverse magnetic textures\, including skyrmion lattices (SkL) and chiral soliton lattices\, which hold promise for spintronic and magnonic devices. Among these\, MnSi has been extensively studied due to the SkL formation in the so-called “A-phase” just below Tc [1].  Recently\, it was suggested theoretically that at low temperatures (T)\, the conical helimagnetic (CH) and forced-ferromagnetic (FFM) phases in MnSi might not be directly connected but separated by another SkL phase\, possibly metastable\, or a new phase of unknown nature near the critical magnetic field (Bc) [2]. The theoretical prediction of the new SkL phase at low T is in good agreement with the experiments reported in MnSi and Cu2OSeO3 [3\,4]. On the other hand\, by using careful ac susceptibility measurements at low temperature\, we determined the magnetic phase diagrams of oriented crystals of MnSi [5]. A new unexpected region\, termed “B-phase”\, was observed when the magnetic field was applied along the main diagonal <111>. \nTo clarify the nature of the “B-phase”\, we performed small-angle neutron scattering (SANS) measurements at TAIKAN in J-PARC and transverse field (TF)-μSR experiments at TRIUMF. At low temperatures and fields near Bc\, SANS patterns revealed two peaks along the horizontal axis\, corresponding to the magnetic Bragg peaks of the CH state. Notably\, no diffraction peaks indicative of a six-fold-symmetric SkL were observed. Meanwhile\, μSR results showed a distinct internal magnetic field distribution in the “B-phase”\, different from those in the CH or FFM phases\, suggesting that the “B-phase” could involve a reorientation of Mn helices within the unit cell. \nIn the presentation\, we will discuss these SANS and μSR findings in detail and their implications for understanding the spin texture in the “B-phase”. \nReferences \n\nS. Mühlbauer et al.\, Science 323\, 915 (2009).\nV. Laliena and J. Campo\, Phys. Rev. B 96\, 134420 (2017).\nT. Nakajima et al.\, Sci. Adv. 3\, e1602562 (2017).\nA. Chacon et al.\, Nature Phys 14\, 936–941 (2018).\nM. Ohkuma et al.\, APL Mater. 10\, 041104 (2022).\n\n  \nCollege 5B Secretary \nAlberto Rodriguez Velamazan \nExternal visitors may ask for a site access to Brigitte Dubouloz (dubouloz@ill.fr)
URL:https://sfp-alpes.fr/event/javier-campo-aragon-nanoscience-and-materials-institute-csic-universidad-de-zaragoza-zaragoza-spain/
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:20260409T140000
DTEND;TZID=Europe/Paris:20260409T150000
DTSTAMP:20260405T162154
CREATED:20260320T151906Z
LAST-MODIFIED:20260320T151906Z
UID:10000107-1775743200-1775746800@sfp-alpes.fr
SUMMARY:Gonzalo PEREZ-BLASCO  (Aragón Nanoscience and Materials Institute (CSIC - Universidad de Zaragoza) - Physics Condensed Matter Dept. Zaragoza\, Spain)
DESCRIPTION:Empirical machine learning for 3He spin-filter polarisation decay\nRésumé : \nA lightweight\, empirical machine-learning framework is presented for predicting the time evolution of the nuclear polarisation of 3He spin-filter cells under realistic neutron beam line conditions. The method bridges the gap between detailed microscopic modelling of polarisation relaxation and purely heuristic correction schemes by combining supervised learning with basic physics-informed constraints on spin relaxation. This strategy ensures physically consistent polarisation forecasts while maintaining computational efficiency and ease of implementation. \nThe framework is tailored to the limited number of heterogeneous experimental datasets typically encountered during routine instrument operation. Rather than explicitly modelling all relaxation mechanisms\, it learns an effective representation of polarisation decay directly from experimental data. Within the domain spanned by the training dataset\, the model demonstrates stable predictive performance while preserving the expected exponential relaxation behaviour and accommodating non-linear\, history-dependent effects. \nThe resulting predictions enable reliable\, time-dependent corrections of neutron scattering data affected by polarisation efficiency drift. Compared with traditional single-parameter relaxation models\, the approach accounts for the combined influence of multiple experimental parameters and their temporal evolution. Although extrapolation beyond the training domain requires careful validation\, the method provides an operationally efficient and reproducible tool for polarisation monitoring and correction in realistic experimental environments. \n  \nCollege 6 Secretary \nGabriel Cuello \nExternal visitors may ask for a site access to Brigitte Dubouloz (dubouloz@ill.fr)
URL:https://sfp-alpes.fr/event/gonzalo-perez-blasco-aragon-nanoscience-and-materials-institute-csic-universidad-de-zaragoza-physics-condensed-matter-dept-zaragoza-spain/
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:20260417T140000
DTEND;TZID=Europe/Paris:20260417T150000
DTSTAMP:20260405T162154
CREATED:20260326T143614Z
LAST-MODIFIED:20260326T143621Z
UID:10000112-1776434400-1776438000@sfp-alpes.fr
SUMMARY:Juan Bautista CARDA-CASTELLO (Inorganic and Organic Chemistry Department\, Universitat Jaume I\, Castellón (Spain))
DESCRIPTION:Scientific and Technological Innovations in the Ceramic Industry\nRésumé : \nThe conference “Scientific and Technological Innovations in the Ceramic Industry” will provide a concise overview of recent advances in ceramic materials\, processing technologies\, and new technological opportunities for the ceramic sector. It will examine the technological and economic relevance of the ceramic industry\, together with the key properties that make ceramic materials attractive for advanced uses. Particular attention will be paid to ceramic coating deposition techniques and high-temperature sintering processes\, as well as to processing routes such as laser zone melting or physical vapor deposition (PVD)\, whose application offers new possibilities for the ceramic industry. The lecture will also discuss application fields such as photovoltaics\, catalysis\, and other functional technologies\, which represent expanding areas of interest for the ceramic sector. Overall\, the presentation will show how innovation is broadening the industrial scope of ceramics beyond their traditional uses. \nShort Bio/CV \nJuan Bautista Carda Castelló is a Full Professor of Inorganic Chemistry\, Head of the Solid State Chemistry Research Group and Director of the “Ciutat de Vila-real” Chair of Ceramic Innovation at Universitat Jaume I in Castellón (Spain). With a highly distinguished academic\, scientific\, and institutional career\, he has developed an outstanding record in research\, teaching\, and technology transfer\, with more than 300 scientific publications\, numerous patents\, and extensive participation in national and international research projects. He has supervised more than 35 PhD theses\, promoted collaborations with universities and technological centers worldwide\, and received several major distinctions for his contribution to science and ceramic innovation. His career has made him a leading figure in the fields of solid-state chemistry and ceramic technology. \n— \nContact : deborah.verger@grenoble-inp.fr
URL:https://sfp-alpes.fr/event/juan-bautista-carda-castello-inorganic-and-organic-chemistry-department-universitat-jaume-i-castellon-spain/
LOCATION:LMGP – salle des séminaires\, Grenoble INP -Phelma 3 parvis Louis Néel\, Grenoble\, 38054\, France
CATEGORIES:Séminaire
ORGANIZER;CN="LMGP":MAILTO:deborah.verger@grenoble-inp.fr
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Europe/Paris:20260423T080000
DTEND;TZID=Europe/Paris:20260423T090000
DTSTAMP:20260405T162154
CREATED:20260213T094655Z
LAST-MODIFIED:20260213T094849Z
UID:10000068-1776931200-1776934800@sfp-alpes.fr
SUMMARY:Klaus DIETERICH (génétique)\, Martial MALLARET (neurologue) & Céline BIBOULET BRUNEAU (neuropédiatre) - Service : Centre de référence neuro-musculaire)
DESCRIPTION:Maladies neuromusculaires rares : comment la thérapie génique change la prise en charge de l’amyotrophie spinale\nContact : sante-communication@univ-grenoble-alpes.fr
URL:https://sfp-alpes.fr/event/klaus-dieterich-genetique-martial-mallaret-neurologue-celine-biboulet-bruneau-neuropediatre-service-centre-de-reference-neuro-musculaire/
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:20260423T130000
DTEND;TZID=Europe/Paris:20260423T140000
DTSTAMP:20260405T162154
CREATED:20260327T093519Z
LAST-MODIFIED:20260327T093524Z
UID:10000114-1776949200-1776952800@sfp-alpes.fr
SUMMARY:Anamaria NESCULEA (LBBE - Lyon)
DESCRIPTION:TITRE A VENIR\nContact : lucie.lamothe@univ-grenoble-alpes.fr
URL:https://sfp-alpes.fr/event/anamaria-nesculea-lbbe-lyon/
LOCATION:IMAG – Salle de Réunion\, 150 place du Torrent\, St Martin d’Hères\, 38400\, France
CATEGORIES:Séminaire
ORGANIZER;CN="TIMC - IMAG":MAILTO:lucie.lamothe@univ-grenoble-alpes.fr
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Europe/Paris:20260423T140000
DTEND;TZID=Europe/Paris:20260423T150000
DTSTAMP:20260405T162154
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:20260405T162154
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:20260405T162154
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:20260405T162154
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:20260405T162154
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:20260405T162154
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:20260405T162154
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:20260405T162154
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:20260405T162154
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:20260405T162154
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
END:VCALENDAR