Zhu-Bai Li, Yun Li, Yuan Qin, Xue-Feng Zhang, Bao-Gen Shen. Magnetization reversal and coercivity in rare-earth permanent magnets and composite magnets [J]. Acta Physica Sinica, 2019, 68(17): 177501-1
- Acta Physica Sinica
- Vol. 68, Issue 17, 177501-1 (2019)
Fig. 1. The X-ray diffraction patterns of powders for the samples.样品粉末的X射线衍射谱
Fig. 2. The hysterisis loops of the samples at temperature of 300 K.样品在温度300 K的磁滞回线
Fig. 3. The dependences of
on
for all samples.
样品的
与
之间的关系
Fig. 4. The magnetization behaviors of thermal activation for 1200 s of waiting time at temperature of 300 K, and the inset shows the activation size of thermal activation and the ideal domain wall size.温度300 K磁场保持1200 s样品的热激活后的磁行为, 插图为热激活不可逆过程的激活尺寸和理论磁畴壁尺寸
Fig. 5. curves (Henkel plots) for the samples at temperature of 300 K.
样品在温度300 K的
曲线(Henkel点)
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