Hybrid crystals of cuprates and iron-based superconductors
Dai Xia1, Le Cong-Cong1, Wu Xian-Xin1, Hu Jiang-Ping1, 2, 3, †,
       

(a) Band structures and (b) projected density of states of K2CuO2Fe2Se2 using the GGA relaxed parameters in the paramagnetic state.