A new model for the absorption coefficient of narrow gap (Hg,Cd)Te that simultaneously considers band tails and band filling

Please always quote using this URN: urn:nbn:de:bvb:20-opus-37894
  • A semiempirical model is presented that correlates the broadening of the absorption edge with both transitions below the energy gap and with transitions by the Kane band model. This model correctly fits both the absorption and luminescence spectra of narrow-gap (Hg,Cd)Te samples that have been grown by the traveling heater method as well as by molecular-beam epitaxy. The accuracy of the band-gap determination is enhanced by this model.

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Author: K. H. Herrmann, M. Happ, K.-P. Möllmann, J. W. Tomm, Charles R. Becker, M. M. Kraus, S. Yuan, G. Landwehr
Document Type:Journal article
Faculties:Fakultät für Physik und Astronomie / Physikalisches Institut
Year of Completion:1993
Source:Journal of Applied Physics (1993) 73, 3486-3492.
Dewey Decimal Classification:5 Naturwissenschaften und Mathematik / 53 Physik / 530 Physik
Release Date:2009/09/21