Modulating Properties of Cu2ZnSnS4 Thin Films With Broad Mg‐Doping Concentration by Sol–Gel Method. - Wang, Qingxu; Liu, Xiaoyi; He, Lei; Tu, Yuchun; Zhao, Jiaoling; Chen, Jiayuan; Duan, Yaping; Lan, Rui; Yuan, Yanyan (Surface & Interface Analysis: SIA, 2025)