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Perspectives with High Magnetic Fields at Neutron Sources

2–4 Nov 2022
ILL Chadwick Amphitheatre
Europe/Paris timezone

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Session

Experience with pulsed fields | Science & Techniques

3 Nov 2022, 08:30
ILL4 (ILL Chadwick Amphitheatre)

ILL4

ILL Chadwick Amphitheatre

Institut Laue-Langevin 71 Avenue des Martyrs, CS 20156 38042 Grenoble Cede 9 France

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  1. 9. Neutron scattering experiments with pulsed magnetic fields — today and tomorrow
    Dr Ellen Fogh (EPFL — École Polytechnique Fédérale de Lausanne)
    03/11/2022, 08:30
    Experience with pulsed fields | Science & Techniques
    Oral

    The ability to reach high magnetic fields for neutron scattering experiments is invaluable to drive systems through phase transitions and thereby explore more quantum magnetic states. The theoretical description of the magnetic field in a material is exactly known and it is possible to accurately tune the field strength during an experiment. However, when performing neutron scattering...

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  2. 10. Metamagnetism and superconductivity in UTe2
    Dr William Knafo (LNCMI — Laboratoire National des Champs Magnétiques Intenses)
    03/11/2022, 09:00
    Experience with pulsed fields | Science & Techniques
    Oral

    In 2019, unconventional superconductivity was observed in the heavy-fermion paramagnet UTe2 and a spin-triplet nature of the superconducting pairing has been proposed for this compound initially presented as a nearly-ferromagnet [1,2]. Soon after, multiple superconducting phases were found to develop near magnetic transitions in UTe2 under intense magnetic fields and high pressures...

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  3. 11. Physics in ultra-high magnetic field: taking materials to the extreme
    Dr Philip Moll (Max-Planck-Institute for the Structure and Dynamics of Matter)
    03/11/2022, 09:30
    Experience with pulsed fields | Science & Techniques
    Oral

    Magnetic fields are a fantastic, non-thermal tuning knob for quantum materials. They drive transitions between different magnetic ground states, they couple to quantum phases of mobile charge carriers, and they induce dynamics in coherent systems, such as vortices in superconductors.

    However, they are a relativistic correction and tend to be very weak unlike their electric counterparts. As a...

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  4. 13. Insights from developing a pulsed field system for SwissFEL
    Dr Alexander Steppke (PSI — Paul Scherrer Institut)
    03/11/2022, 10:30
    Experience with pulsed fields | Science & Techniques
    Oral

    The combination of modern high brilliance X-ray sources with pulsed magnetic fields allows investigation of correlated states such as charge density waves in the cuprates [1], or detection and analysis of structural phase transitions [2]. As the signatures of these phenomena are often weak (less than 1 ppm) compared to the structural information and can be distributed over wide ranges of...

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  5. 12. Pulsed magnetic fields for neutron diffraction: technical challenges and scientific opportunities
    Dr Fabienne Duc (LNCMI — CNRS)
    03/11/2022, 11:00
    Experience with pulsed fields | Science & Techniques
    Oral

    The last two decades have seen the demonstration of the feasibility of neutron diffraction in fields as high as 40 T with the development of dedicated pulsed field devices based either on short or long duration pulsed magnets [1, 2]. These breakthroughs have allowed to extend the field limits beyond current superconducting (15 T split, 17 T solenoid) and resistive installations already...

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