Figure 1.

The hysteresis loop of a glass/Ta(30 Å)/NiFe(50 Å)/IrMn(90 Å)/Ta(100 Å) sample. This sample was post-annealed atTA = 250 °C andh = 500 Oe for 1 h and then field-cooled to RT. The switching fieldsH1andH2, exchange-biasing field (Hex), and coercivity (Hc) are indicated in the figure

Chen Nanoscale Research Letters 2008 4:90-93   doi:10.1007/s11671-008-9207-4