磁化
凝聚态物理
磁滞
薄膜
材料科学
磁滞
联轴节(管道)
磁各向异性
反铁磁性
纳米尺度
磁场
纳米技术
冶金
物理
量子力学
作者
R. Sbiaa,S. N. Piramanayagam,Randall Law
摘要
Magnetization reversal of antiferromagnetically coupled (AFC) Co thin film and (Co/Pd) multilayers has been investigated. For 5 Å thick Co layer, a high exchange coupling field (Hex) of 7.8 kOe at room temperature and 8.5 kOe at 5 K was measured from the shift in the hysteresis loop. This high value of Hex was accompanied by a magnetization reorientation from in-plane to out-of-plane of the thin Co. When Co thickness increases, the magnetization reorientation was not possible. This unusual high Hex can be used to stabilize AFC structures when the patterning to nanoscale size is needed.
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