Divalent chromium in the octahedral positions of the novel hybrid perovskites CH3NH3Pb1-xCrx(Br,Cl)3 (x = 0.25, 0.5): Induction of narrow bands inside the bandgap

1. Serrano-Sánchez, F.
2. Conesa, J.C.
3. Rodrigues, J.E.
4. Marini, C.
5. Martínez, J.L.
6. Alonso, J.A.