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The evolution of surface structures in p-CdTe crystals under pulsed laser irradiation

  • Atomic Structure and Nonelectronic Properties of Semiconductors
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Abstract

The dynamics of modification of the surface structure in p-CdTe (111) crystals subjected to nanosecond ruby laser pulses with a lasing wavelength within the fundamental-absorption region (ℏω=1.78 eV) is studied. It is shown that, depending on the radiation dose, the surface morphology changes in the following order: the formation of tellurium film, an increase in the density of dislocations under the tellurium film, and the formation of ordered quasi-periodic structures of both micrometer and nanometer size. The size of the structures and the character of their distribution are shown to be dose-dependent.

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Authors and Affiliations

  1. Institute of Semiconductor Physics, National Academy of Sciences of Ukraine, Kiev, 03028, Ukraine

    A. Baidullaeva, M. B. Bulakh, A. I. Vlasenko, A. V. Lomovtsev & P. E. Mozol’

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  1. A. Baidullaeva
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  2. M. B. Bulakh
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  3. A. I. Vlasenko
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  4. A. V. Lomovtsev
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  5. P. E. Mozol’
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__________

Translated from Fizika i Tekhnika Poluprovodnikov, Vol. 38, No. 1, 2004, pp. 26–29.

Original Russian Text Copyright © 2004 by Ba\(\overset{\lower0.5em\hbox{$\smash{\scriptscriptstyle\smile}$}}{l} \)dullaeva, Bulakh, Vlasenko, Lomovtsev, Mozol’.

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Baidullaeva, A., Bulakh, M.B., Vlasenko, A.I. et al. The evolution of surface structures in p-CdTe crystals under pulsed laser irradiation. Semiconductors 38, 23–26 (2004). https://doi.org/10.1134/1.1641127

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  • DOI: https://doi.org/10.1134/1.1641127

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