Nanoscale Magnetic Materials - Magnetic Domains

Reversal asymmetry in exchange biased systems

Asymetry big

CoFe/IrMn magnetization reversal

Asymmetric magnetization reversal in ferromagnetic/antiferromagnet systems. Magnetic hysteresis and corresponding domain observations. 

J. McCord, R. Mattheis, K.-U. Barholz, R. Schäfer, Kerr observations of asymmetric magnetization reversal processes in CoFe/IrMn bi-layer systems, Journal of Applied Physics 93 (9), 5491-5497 (2003)