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DTSTART;TZID=Europe/Paris:20260310T000000
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DTSTAMP:20260124T041637Z
CREATED:20260324T041304Z
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UID:10000032-1773100800-1773446399@sfp-alpes.fr
SUMMARY:Synergies in High Resolution Spectroscopy workshop (HIRES2026)
DESCRIPTION:The workshop will bring together researchers in the fields of neutron spin-echo\, backscattering\, and time-of-flight (TOF) spectroscopy. It aims to highlight the strengths and synergies of these techniques\, while also showcasing their interplay with other non-neutron-based methods. \nParticipation is not limited to neutron experts\, users of complementary techniques who wish to expand their research toward neutron scattering are also warmly welcome. \nAbstract submission deadline is 30 November 2025. \nFor full details please visit the website of the workshop: https://workshops.ill.fr/e/HIRES2026 \n  \nIf you have any questions don’t hesitate to contact the Organising Committee by e-mailing to hires@ill.fr \n 
URL:https://sfp-alpes.fr/event/synergies-in-high-resolution-spectroscopy-workshop-hires2026/
LOCATION:ILL – Salle de Séminaire (SB-036)\, ILL 71 avenue des Martyrs\, Grenoble\, 38042\, France
CATEGORIES:Workshop
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BEGIN:VEVENT
DTSTART;TZID=Europe/Paris:20260310T083000
DTEND;TZID=Europe/Paris:20260313T120000
DTSTAMP:20260206T095155Z
CREATED:20260206T095155Z
LAST-MODIFIED:20260206T095155Z
UID:10000055-1773131400-1773403200@sfp-alpes.fr
SUMMARY:Synergies in High Resolution Spectroscopy workshop (HIRES2026)
DESCRIPTION:The workshop will bring together researchers in the fields of neutron spin-echo\, backscattering\, and time-of-flight (TOF) spectroscopy. It aims to highlight the strengths and synergies of these techniques\, while also showcasing their interplay with other non-neutron-based methods. \nParticipation is not limited to neutron experts\, users of complementary techniques who wish to expand their research toward neutron scattering are also warmly welcome. \nFor full details please visit the website of the workshop : https://workshops.ill.fr/e/HIRES2026 \nIf you have any questions don’t hesitate to contact the Organising Committee by e-mailing to hires@ill.fr \n_ \nContact : HIRES2026@ill.fr
URL:https://sfp-alpes.fr/event/synergies-in-high-resolution-spectroscopy-workshop-hires2026-2/
LOCATION:ILL 4\, Grenoble\, 38000\, France
CATEGORIES:Workshop
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Europe/Paris:20260311T110000
DTEND;TZID=Europe/Paris:20260311T120000
DTSTAMP:20260305T143844Z
CREATED:20260305T143839Z
LAST-MODIFIED:20260305T143844Z
UID:10000092-1773226800-1773230400@sfp-alpes.fr
SUMMARY:Tymoteusz TULA (LPMMC\, CNRS\, Grenoble)
DESCRIPTION:One-to-one correspondence between two-point correlators and entanglement in magnetic systems\nRésumé : \nThere are multiple measures of multipartite entanglement — including entanglement in thermal mixtures — currently used to study many-body interacting systems. Recently\, Quantum Fisher Information has been proposed as a multipartite entanglement measure that can be connected to experimentally accessible observables. In this talk\, I will present our recent findings about a one-to-one correspondence between two-point correlators and a certain general class of Heisenberg-like Hamiltonians and wavefunctions. This is a foundation of our claim that a mapping from finite-temperature observables to any entanglement measure exists for such systems. Furthermore\, I will present our results of training a convolutional neural network (CNN) to recognize and predict the entanglement for one-dimensional anisotropic XY and XYZ models\, which exhibit an entanglement transition. From our preliminary results we found that entanglement can be accurately predicted by a CNN using both static and dynamical correlators\, even when the network is trained on only a fraction of the full dataset or on data from a different system than the one used for prediction. Specifically\, when trained on observables from an anisotropic XY model\, accurate predictions can be achieved using only about 3% (6%) of the data when employing dynamical two-point correlators (structure factors) for learning. \nContact : pierre.nataf@lpmmc.cnrs.fr
URL:https://sfp-alpes.fr/event/tymoteusz-tula-lpmmc-cnrs-grenoble/
LOCATION:LPMMC – salle Roger Maynard (G421)\, CNRS - LPMMC 25 avenue des Martyrs\, Grenoble\, 38042\, France
CATEGORIES:Séminaire
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Europe/Paris:20260311T140000
DTEND;TZID=Europe/Paris:20260311T160000
DTSTAMP:20260227T150926Z
CREATED:20260213T091226Z
LAST-MODIFIED:20260227T150926Z
UID:10000064-1773237600-1773244800@sfp-alpes.fr
SUMMARY:Soutenance de Thèse de Subham SENAPATI (IRIG / Spintec)
DESCRIPTION:Spin-orbit torque based magnetic memories evaluation for cryogenic applications\nRésumé : \nThe rapid development of cryogenic computing platforms\, including superconducting electronics\, quantum information processors\, high-performance computing systems\, and space applications\, has created a demand for memory technologies that operate efficiently\, reliably\, and scalable at low temperatures. While magnetic random-access memory (MRAM) is a mature and commercially deployed non-volatile memory at room temperature\, its behaviour and limitations at cryogenic temperatures remain insufficiently explored\, particularly for three-terminal spin-orbit torque magnetic tunnel junctions (SOT-MTJs). This thesis presents a comprehensive experimental and modelling study of SOT-based magnetic memories operated from room temperature (300 K) down to liquid-helium (4 K) temperatures. A dedicated cryogenic characterisation framework is developed to extract magnetic parameters\, quantify switching statistics\, and evaluate write performance under both quasi-static and sub-nanosecond pulsed conditions. Temperature-dependent measurements reveal enhanced magnetic anisotropy and thermal stability at low temperatures\, accompanied by non-trivial trends in critical switching current. By combining experiments with micromagnetic simulations incorporating temperature-dependent material properties and transient Joule heating\, this work demonstrates that self-heating remains a dominant factor during write operations\, especially at cryogenic bath temperatures. Beyond conventional SOT-MRAM\, complementary approaches including optimised spin-transfer torque devices and voltage-gate-assisted SOT switching are investigated. They show that controlling retention via storage layer thickness is a relevant strategy to decrease write current while electric-field control of anisotropy enables efficient modulation of switching across a large temperature range. Overall\, this thesis establishes both the physical limitations and technological potential of SOT- and voltage-gated SOT-based MRAM as viable candidates for future cryogenic memory systems. \nhttps://www.cea.fr/drf/irig/Pages/Animation-scientifique/theses/2026_Senapati.aspx \nContact : admin.spintec@cea.fr
URL:https://sfp-alpes.fr/event/soutenance-de-these-de-subham-senapati-irig-spintec/
LOCATION:CEA – Salle de Séminaire IRIG (1005 – 445)\, 17\, avenue des Martyrs\, Grenoble\, France
CATEGORIES:Soutenance,Soutenance de Thèse
ORGANIZER;CN="IRIG - CEA":MAILTO:irig.communication@cea.fr
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