Triple-well ferroelectricity and kagome-like Chern flat band in two-dimensional multiferroic CuVP${}_2$Se${}_6$

Brian Anchico, Jingyi Duan, Haojie Sun +3

Two-dimensional multiferroics that host nontrivial topological bands offer a rich platform for correlated and tunable quantum phenomena, yet such materials remain rare. Here, using…