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cond-mat.mtrl-sci2022★ 6 cited
Carrier thermalization and zero-point bandgap renormalization in halide perovskites from the Urbach tails of the emission spectrum
Kingshuk Mukhuti, Arnab Mandal, Basabendra Roy +2
We develop techniques to study the temperature dependent localization, thermalization, and the effects of phonon scattering on the excitons in halide perovskites from the analysis…
cond-mat.mtrl-sci2019
Experimental determination of the bare energy gap of GaAs without the zero-point renormalization
Basabendra Roy, Kingshuk Mukhuti, Bhavtosh Bansal
The energy gap of simple band insulators like GaAs is a strong function of temperature due to the electron-phonon interactions. Interestingly, the perturbation from zero-point phon…