Optical determination of the band gap and band tail of epitaxial Ag2ZnSnSe4 at low temperature
Sign Up to like & getrecommendations! Published in 2020 at "Physical Review B"
DOI: 10.1103/physrevb.102.195205
Abstract: We report on the precise determination of both the band gap Eg and the characteristic energy U of the band tail of localized defect states, for monocrystalline Ag2ZnSnSe4. Both photoluminescence excitation and time-resolved photoluminescence studies… read more here.
Keywords: band; band gap; photoluminescence; determination band ... See more keywords
Anderson localizations and photonic band-tail states observed in compositionally disordered platform
Sign Up to like & getrecommendations! Published in 2018 at "Science Advances"
DOI: 10.1126/sciadv.1602796
Abstract: The strength of photon localization in the band-tail states is determined by the degree of disorder and state energy. Anderson localization in random structures is an intriguing physical phenomenon, for which experimental verifications are far… read more here.
Keywords: localization; anderson; tail states; band tail ... See more keywords