DFT calculations reveal nonparabolic dispersion in CsPbI3, with a quadratic-in-k model for effective mass that approximates the bands from zone center to boundary.
Nanocrystals of Cesium Lead Halide Perovskites (CsPbX3, X = Cl, Br, and I): Novel Optoelectronic Materials Showing Bright Emission with Wide Color Gamut
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Nonparabolic dispersion of charge carriers in CsPbI$_3$ in the orthorhombic phase
DFT calculations reveal nonparabolic dispersion in CsPbI3, with a quadratic-in-k model for effective mass that approximates the bands from zone center to boundary.