Phase‐Engineered Non‐Degenerate Sliding Ferroelectricity Enables Tunable Photovoltaics in Monolayer Janus In2S2Se. - Li, Yixuan; Wang, Qiang; Han, Keying; Liang, Yitong; Kong, Kai; Liang, Yan; Frauenheim, Thomas; Lv, Xingshuai; Guo, Defeng; Wang, Bin (Advanced Science, 2026)