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Optical, photoelectric and electric properties of single-crystalline Sb2Se3

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Czechoslovak Journal of Physics B Aims and scope

Abstract

Measurements of absorption coefficient in the region of the absorption edge, of spectral distribution of photoconductivity and dependence of electrical conductivity upon temperature on Sb2Se3 single crystals are given. The absorption of light was proved to correspond to indirect forbidden transitions. The value of optical gapE optg =(1·11±0·02) eV forE ∥a andE ∥ c was determined. From photoconductivity and conductivity measurements the values of the gaps areE optg =1·11 eV andE elg =1·04 eV. The anisotropy of the electrical conductivity parallel and perpendicular to the cleavage plane is 2·2.

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Authors and Affiliations

  1. University of Chemical Technology, Pardubice, Leninovo nám. 565, 532 10, Pardubice, Czechoslovakia

    F. Kosek & J. Tulka

  2. Institute of Solid State Physics, Czechosl. Acad. Sci., Prague, Cukrovarnická 10, 162 53, Praha 6, Czechoslovakia

    L. Štourač

Authors
  1. F. Kosek
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  2. J. Tulka
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  3. L. Štourač
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Kosek, F., Tulka, J. & Štourač, L. Optical, photoelectric and electric properties of single-crystalline Sb2Se3 . Czech J Phys 28, 325–330 (1978). https://doi.org/10.1007/BF01597220

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  • DOI: https://doi.org/10.1007/BF01597220

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