A room-temperature diamagnetically levitated 60-mg ferromagnet achieves 23 fT/√Hz magnetic sensitivity near 153 Hz, validated by two independent calibrations and limited by vibration noise.
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Levitated Milligram-scale Ferromagnetic Magnetometer at Room Temperature
A room-temperature diamagnetically levitated 60-mg ferromagnet achieves 23 fT/√Hz magnetic sensitivity near 153 Hz, validated by two independent calibrations and limited by vibration noise.