Supplemental Material

Section 1. Measured Rxy - Hi (i=x, y, z) curves Section 2. The detail theorical analysis of read-during-exciting operation. Section 3. The influences of FL torque. Section 4. The macromagnetic simulation with and without FL torque. Section 5. The relationship between mz-Hz curves and the anisotropy energy. Section 6. Temporal response of the sensor device Section 7. The effect of the annealing temperature and the film thickness on magnetic properties of CoFeB