Journal of Applied Spectroscopy

, Volume 74, Issue 3, pp 415–420 | Cite as

Magnetic field effect on free and bound excitons in chalcopyrite CuInS2

  • A. V. Mudryi
  • A. V. Ivanyukovich
  • M. V. Yakushev
  • R. Martin
  • A. Saad


The effect of a strong magnetic field (induction up to 10 T) on free and bound excitons in CuInS2 single crystals is studied. A diamagnetic shift to higher energies is observed in the luminescence and reflectance spectra for free-exciton lines ALPB ≈ 1.5348 eV, AUPB ≈ 1.5361 eV, and BC ≈ 1.557 eV. The diamagnetic shifts of free-exciton lines ALPB, AUPB, and BC provide a basis for estimating the exciton reduced masses \(\mu _{A_{LPB} } \) = 0.131m0, \(\mu _{A_{UPB} } \) = 0.13 4m0, and μBC = 0.111m0, respectively. Bound-exciton lines in luminescence spectra are split under the influence of the magnetic field. The magnitude of the Zeeman effect (g-factor of the magnetic splitting) is estimated.

Key words

CuInS2 reflectance luminescence exciton magnetic field 


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Copyright information

© Springer Science+Business Media, Inc. 2007

Authors and Affiliations

  • A. V. Mudryi
    • 1
  • A. V. Ivanyukovich
    • 1
  • M. V. Yakushev
    • 2
  • R. Martin
    • 2
  • A. Saad
    • 3
  1. 1.Joint Institute of Solid State and Semiconductor PhysicsNational Academy of Sciences of BelarusMinskBelarus
  2. 2.Strathclyde UniversityGlasgowUK
  3. 3.Balga UniversityAmmanJordan

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