Barkhausen noise in the Random Field Ising Magnet Nd${}_2$Fe${}_{14}$B

J. Xu, D. M. Silevitch, K. A. Dahmen +1

With sintered needles aligned and a magnetic field applied transverse to its easy axis, the rare-earth ferromagnet Nd${}_2$Fe${}_{14}$B becomes a room-temperature realization of the Ra…