Effects of spacer layers on magnetic properties and exchange couplings of Nd–Fe–B/Nd–Ce–Fe–B multilayer films<xref rid="cpb_26_10_107501_fn1" ref-type="fn">*</xref> <fn id="cpb_26_10_107501_fn1"> <label>*</label> <p>Project supported by the Major State Basic Research Development Program of China (Grant No. 2014CB643701) and the General Program of the National Natural Science Foundation of China (Grant No. 51571064).</p> </fn>

Effects of spacer layers on magnetic properties and exchange couplings of Nd–Fe–B/Nd–Ce–Fe–B multilayer films* *

Project supported by the Major State Basic Research Development Program of China (Grant No. 2014CB643701) and the General Program of the National Natural Science Foundation of China (Grant No. 51571064).

Sun Ya-Chao¹, Zhu Ming-Gang^{1, †}, Liu Wei², Han Rui¹, Zhang Wen-Chen¹, Li Yan-Feng¹, Li Wei¹

Measured plots of irreversible portion D(H) = −ΔM_irr/2M_r versus H for Si/Ta/NdFeB(100 nm)/Ta(x)/(NdCe)FeB(100 nm)/Ta(x)/NdFeB(100 nm)/Ta films with (a) x = 2 nm and (b) x = 5 nm.