Table 1 Pole field and gradient extracted from study.
From: Ultrasensitive mechanical detection of magnetic moment using a commercial disk drive write head
Magnetic field |B| | Field gradient ∂x|B| | |||||
|---|---|---|---|---|---|---|
12 mA | 30 mA | Saturation | 12 mA | 30 mA | Saturation | |
Experiment | 0.51 T | 0.87 T | — | 17 MT m−1 | 28 MT m−1 | — |
Model | 0.34 T | 0.64 T | 0.98 T | 10 MT m−1 | 19 MT m−1 | 29 MT m−1 |
