It basically measures a magnetic torque (not direct magnetization) in a very short time period – short enough to be used even in a pulsed magnet. Currently two versions of the torque magnetometer are available: the capacitive torque magnetometer and piezo-resistive torque magnetometer.
Images & Sample Data
Click on images to view a larger version or to download.
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Sample mounted in Piezo torque magnetometer.
Sample mounted in Piezo torque magnetometer.
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Capacitive torque magnetometer for dip socket mount (3D drawing).
Capacitive torque magnetometer for dip socket mount (3D drawing).
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Capacitive torque magnetometer mounted in rotating probe (3D drawing).
Capacitive torque magnetometer mounted in rotating probe (3D drawing).
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Mini capacitive torque magnetometer (3D drawing).
Mini capacitive torque magnetometer (3D drawing).
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View the embedded image gallery online at:
https://nationalmaglab.org/user-facilities/dc-field/dcfield-techniques/torque-magnetometry-dc#sigProIdb22df70c82
https://nationalmaglab.org/user-facilities/dc-field/dcfield-techniques/torque-magnetometry-dc#sigProIdb22df70c82
Instrumentation
Resistive Magnets
Superconducting Magnets
- Home built capacitive dilatometer & Andeen-Hagerling Capacitance Bridge
- Home built capacitive dilatometer & General Radio Capacitance Bridge in combination with AC power supply and lock-in amplifier
- Seiko AFM tip piezo-resistive torque magnetometer & lock-in amplifier
- Quantum Design piezo-resistive torque magnetometer & lock-in amplifier
Related Publications
Y. Feng et al., Linear magnetoresistance in the low-field limit in density-wave materials, Proceedings of the National Academy of Sciences of the USA (PNAS), 116, 23, 11201-11206 (2019) Read online