Cantilever magnetometry in pulsed magnetic fields

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Abstract
The technique of cantilever magnetometry is shown to be functional in pulsed magnetic fields. Employing micromachined single crystalsilicon cantilevers and capacitance detection, we demonstrated a utilizable sensitivity to magnetic moment of 2.5×10 −12 Am 2 in magnetic fields to 36 T, representing an improvement of more than a factor of 10 over competing technologies. Torquemagnetization measurements on microcrystals of anisotropicsuperconductors are presented as evidence of the feasibility of the technique in long pulse magnets of pulse duration ∼0.1–1 s .