Interface engineering of FeNi/Pt/Bi2Se3 heterostructures boosts broadband spin-to-charge conversionRemoveQi Zhang, Yalu Zuo, Xu Liu, Pengcheng Ji, Yiwen Song, Chenxia Guo, Yang Ren, Kun Tao, Lan Ding, Baoshan Cui, Zongzhi Zhang, Chenglong Jia, Xiaoxi Liu, and Li XiPhys. Rev. B 113, 144417 (2026)