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40-Tesla pulsed-field cryomagnet for single crystal neutron diffraction.

F Duc1, X Tonon2, J Billette1

  • 1Laboratoire National des Champs Magnétiques Intenses, CNRS-INSA-UGA-UPS, F-31400 Toulouse, France.

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Summary
This summary is machine-generated.

Researchers developed a 40-tesla pulsed-field cryomagnet for neutron diffraction, enabling long-duration experiments at 2 K. This new high-field magnet advances materials science research capabilities.

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Area of Science:

  • Condensed Matter Physics
  • Materials Science
  • Neutron Scattering

Background:

  • High magnetic fields are crucial for probing exotic quantum phenomena in materials.
  • Existing pulsed-field magnets often lack the duration or duty cycle for comprehensive neutron diffraction studies.
  • Cryogenic temperatures (down to 2 K) are essential for observing low-temperature material properties.

Purpose of the Study:

  • To introduce a novel 40-tesla pulsed-field cryomagnet system.
  • To enable long-duration, high duty cycle experiments for single crystal neutron diffraction.
  • To facilitate investigations of materials under extreme conditions.

Main Methods:

  • Development and implementation of a 40-tesla pulsed-field cryomagnet.
  • Utilizing a 1.15 MJ mobile generator for magnetic field pulse generation (100 ms pulse length).
  • Validation of the system on the IN22 three-axis spectrometer at the Institut Laue Langevin.

Main Results:

  • Successful generation of 40-tesla magnetic field pulses with a 100 ms duration.
  • Achieved a high duty cycle with a repetition rate of 6-7 pulses per hour at 40 T.
  • Demonstrated the system's capability for single crystal neutron diffraction experiments down to 2 K.

Conclusions:

  • The developed 40-tesla pulsed-field cryomagnet represents a significant advancement for condensed matter research.
  • This system opens new avenues for exploring materials properties under high magnetic fields and low temperatures.
  • The successful validation confirms its utility for cutting-edge neutron diffraction experiments.