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Filtering by: Creator Mcintyre, D. H. Date issued sim 2010-04-15

Electronic structure and excitonic absorption in BaCuChF (Ch=S, Se, and Te)

Creator:

Zakutayev, A., Kykyneshi, R., Schneider, G., McIntyre, D. H., and Tate, Janet

Abstract:

Double excitonic absorption peaks are observed in textured BaCuSF and BaCuSeF thin films. The excitonic doublet separation increases with increasing fraction of heavy chalcogen in the thin-film solid solutions, in good agreement with the spin-orbit splitting of the valence bands calculated by density-functional theory. In BaCuSF and BaCuSeF, the excitons...

Resource Type:

Article