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

(color online) Ta layer thickness-dependent H_cj (a) and M_r/M_s ratio (b) for Si/Ta/NdFeB (100 nm)/Ta(x)/(NdCe)FeB (100 nm)/Ta(x)/NdFeB(100 nm)/Ta (x = 0, 2, 5, 10, 20 nm) multilayer films deposited at 903 K and annealed at 948 K.