Effect of the surface energy on the electron-hole drop luminescence in Ge

  • C. Benoît á la Guillaume
  • B. Etienne
  • M. Voos
Electron-hole Dropes
Part of the Lecture Notes in Physics book series (LNP, volume 57)


The effect of surface energy on the luminescence line shape of electron hole droplets is considered theoretically. A shift 2σ/rno of the high energy cut off of the line is predicted, and two contributions to the variation of the line width are discussed. A differential method is described which allows the measurements of these effects. The radius of EBD near threshold can be fitted by a simple model which takes into account the surface energy and the internal EHD recombination.


Electron Hole Luminescence Line Pump Level Electron Hole Drop Strong Compensation 
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  1. 1).
    See for example: Y. A. Pokrovskii: Phys. Status solidi(a) 11 (1972) 385; T. M. Rice: in Proceedings of the X11th International Conference on the Phsyics of Semiconductors, Stuttgart, Germany, (1974) edited by M. H. Pilkuhn (Teubner, Stuttgart, Germany, 1974) p.23; M. Voos, ibid. P.33; and references therein.Google Scholar
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  3. 4).
    An explicit dependence of J upon r could be added. Then the term \(\frac{1}{n}\frac{{d\sigma }}{{dn}}\)in eq.(2) would be changed into \((\frac{1}{n}\frac{{\partial \sigma }}{{\partial n}} + \frac{1}{r}\frac{{\partial \sigma }}{{\partial r}})\).Google Scholar
  4. 5).
    T. K. Lo, B. J. Feldman and C. D. Jeffries: Phys. Rev. Lett. 31 (1973) 224.Google Scholar
  5. 6).
    R. N. Silver: Phys. Rev. B 11 (1975) 1569.Google Scholar
  6. 7).
    J. C. Hensel, T. C. Phillips and T. M. Rice: Phys. Rev. Lett. 30 (1973) 227; J. C. McGroddy, M. Voos and O. Christensen: Solid State Comm. 13 (1973) 1801.Google Scholar
  7. 8).
    B. Etienne, C. Benoit á la Guillaume and M. Voos: to be published.Google Scholar

Copyright information

© Springer-Verlag 1976

Authors and Affiliations

  • C. Benoît á la Guillaume
    • 1
  • B. Etienne
    • 1
  • M. Voos
    • 1
  1. 1.Groupe de Physique des Solides de l' Ecole Normale SupérieureUniversité de Paris VIIParisFrance

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