posted on 2024-10-07, 04:01authored byLei Zhang, Xiaoxue Zeng, Dainan Zhang, Tianlong Wen, Zhiyong Zhong, Huaiwu Zhang, Lichuan Jin
See the supplementary material for the experimental details, estimation of ultrafast spin current, SEM images, transmittance spectra, THz emission spectra, and numerical calculation results of different samples.