Spin-Splitted Phase Transition in the Quantized Hall Effect in Narrow-Gap Hg(1-x)CdxTe Inversion Layers

  • Marta Silva dos Santos
  • Gilmar Eugenio Marques


The scattering of electrons by impurities in spin-splitted states on the inversion layer of narrow-gap semiconductors is studied in the presence of a quantizing magnetic field. The electron-electron exchange interaction is also included. Depending on the system, it is shown that the calculated longitudinal magneto-conductivity, as a function of the magnetic field B, presents discontinuities when the ratio of the average exchange potential to the average electron-impurity potential increases.


Cadmium Recrystallization GaAs Assure 


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  1. 1]
    — K. von Klitzing, G. Dorda and M. Pepper, Phys. Rev. Lett. 45, 494 (1980).CrossRefGoogle Scholar
  2. 2]
    — H. L. Stýrmer, J. P. Eisenstein, A. C. Gossard, W. Wiegmann and K. Baldwin, Phys. Rev. Lett. 56, 85, (1986).CrossRefGoogle Scholar
  3. 3]
    — W. R. Kirk and P. S. Kobiela, R. A. Schiebel and M. A. R.ed, J. Vac. Sci. Technol. A4 (4), 2132, (1986).CrossRefGoogle Scholar
  4. 4]
    — G. E. Marques and L. J. Sham, Surface Sci. 113, 131 (1982).CrossRefGoogle Scholar
  5. 5]
    — L. J. Sham and M. Nakayama, Phys. Rev. B20, 734 (1979).Google Scholar
  6. 6]
    — M. Horst, U. Merkt and J. P. Kotthaus, Surface Sci. 113, 315 (1982).CrossRefGoogle Scholar
  7. 7]
    — R. Sizmann, J. Chu, R. Wollrab, F. Koch, J. Ziegler and H. Maier, 19th Int. Conf.on Phys. Semiconductors, (ed. W. Zawadski) Warsaw, vol.1, p.471 (1988).Google Scholar
  8. 8]
    — S. Lamari and L. J. Sham, Surface Sci. 196, 551 (1988).CrossRefGoogle Scholar
  9. 9]
    — K. von Klitzing, Rev. of Modern Phys. 58, 519 (1986).CrossRefGoogle Scholar
  10. 10]
    — T. Ando and Y. Uemura, J. Phys. Soc. Jpn. 36, 959 (1974).CrossRefGoogle Scholar
  11. 11]
    — U. Gummich and L. J. Sham, Phys. Rev. B26, 5611 (1982).Google Scholar

Copyright information

© Plenum Press, New York 1990

Authors and Affiliations

  • Marta Silva dos Santos
    • 1
  • Gilmar Eugenio Marques
    • 2
  1. 1.Departamento de FísicaUniversidade do AmazonasManausBrazil
  2. 2.Departamento de FísicaUniversidade Federal de Sãoo CarlosSão CarlosBrazil

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