Inherent photoluminescence Stokes shift in GaAsB. Ullrich, Mithun Bhowmick, Haowen Xi et al.|Optics Letters|2015Cited by 29
Intrinsic photoluminescence Stokes shift in semiconductors demonstrated by thin-film CdS formed with pulsed-laser depositionB. Ullrich, Mithun Bhowmick, D. Ariza-Flores|Thin Solid Films|2014Cited by 24
Optical Bandgap Definition via a Modified Form of Urbach’s RuleMithun Bhowmick, B. Ullrich, Haowen Xi|Materials|2021Cited by 18
Relation between Debye temperature and energy band gap of semiconductorsB. Ullrich, Haowen Xi, Mithun Bhowmick|AIP Advances|2017Cited by 18
Photoluminescence lineshape of ZnOB. Ullrich, Jens W. Tomm, Haowen Xi et al.|AIP Advances|2014Cited by 13