Lower switching-current density in Ta/(Pt/X)n/Pt/Co/Ta (X = Ta,Mn,Cu,V,Zr, Bi; n = 3, 4) multilayers based on a domain-wall-depinning modelRemoveShuanghai Wang, Kun He, Yongkang Xu, Zhuoyi Li, Jin Wang, Caitao Li, Xingze Dai, Jun Du, Yong-Lei Wang, Ronghua Liu, Xianyang Lu, Yongbing Xu, and Liang HePhys. Rev. Applied 22, L021002 (2024)