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

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.