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Physics of Highly Excited States in Solids pp 89–97Cite as

Biexciton fluorescence line shape in CdS

  • Excitonic Molecules
  • Conference paper
  • First Online:

Part of the book series: Lecture Notes in Physics ((LNP,volume 57))

Abstract

A careful experimental study of the M line in CdS is presented, with special attention to polarisation properties. The data can be fitted by a theoretical model of the line shape in both polarization (E⊥C and E//C) taking into account the results of group theory, with the recombination of the molecule considered as giving two polaritons. A more precise value of the energy EB(o) of the ground state of the excitonic molecule is obtained EB(o)/2 = 2.5497 eV ± 0.2 meV.

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References

  1. S. Shionoya, H. Saito, E. Hanamura and O. Akimoto: Solid State Comm. 12 (1973) 223.

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  2. E. Hanamura in “Luminescence of Crystals, Molecule s and Solutions” ed. F. Williams (Plenum Press, N.Y., 1973) p.121.

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  3. A. F. Dite, V. I. Revenko, V. R. Timofeev and P. D. Altukhov: Zh ETF let. 18 (1973) 579 (JETP Lett. 18 (1974) 341).

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  4. J. Voigt and G. Mauersberger: Phys. Stat. sol. (b) 60 (1973) 679.

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  5. A more detailed paper on the model has been submitted for publication in Phys. Rev.

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  6. We have used the following parameter for CdS: ε∞ = 7.3, exciton masses m// = 5.2 mo, m⊥ = 0.9 mo; E Lex = 2.5540 and ΔLT = 1.9 meV. Our value of photon energies take into account the refractive index of air, a point which has been usually omitted, as in the well known paper of J. J. Hopfield and D. G. Thomas, Phys. Rev. 122 (1961) 35.

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Authors and Affiliations

  1. Groupe de Physique des Solides de l' Ecole Normale Supérieure, Université de Paris VII, 2 place Jussieu, 75221, Paris Cedex 05

    R. Planel & C. Benoî à la Guillaume

Authors
  1. R. Planel
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  2. C. Benoî à la Guillaume
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© 1976 Springer-Verlag

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Planel, R., Benoî à la Guillaume, C. (1976). Biexciton fluorescence line shape in CdS. In: Physics of Highly Excited States in Solids. Lecture Notes in Physics, vol 57. Springer, Berlin, Heidelberg. https://doi.org/10.1007/3-540-07991-2_79

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  • DOI: https://doi.org/10.1007/3-540-07991-2_79

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  • Publisher Name: Springer, Berlin, Heidelberg

  • Print ISBN: 978-3-540-07991-0

  • Online ISBN: 978-3-540-37975-1

  • eBook Packages: Springer Book Archive

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