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Browsing School of Science and Technology (2015-2019) by Subject "Stokes shift"
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Ullrich, Bruno; Singh, Akhilesh K.; Barik, Puspendu; Xi, Haowen; Bhowmick, Mithun
(Optics letters, 2015-06-01)
The intrinsic photoluminescence Stokes shift, i.e., the energy difference between optical band gap and emission peak, of 350 μm thick semi-insulating GaAs wafers is found to be 4 meV at room temperature. The result is based ...
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Ullrich, B.; Ariza-Flores, D.; Bhowmick, M.
(Thin Solid Films, 2014-05-02)
Abstract While not reported in the literature, by employing highly oriented, semi-insulating, thin-film CdS as test material, we present the observation of the intrinsic photoluminescence Stokes shift in a semiconductor. ...