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Dislocations as hypersound conductors in long range effect

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Abstract

A new mechanism for long range effect is proposed in this study. The decreased density region in the vicinity of dislocations or grain boundaries acts as a gradient waveguide for hypersound phonons generated in the sample oxide layer. As a result of this the elastic wave is conveyed to the sample’s back side with small loss in intensity, causing the rearrangement of defects. This eliminates the difficulty caused by spherical wave divergence in the hypersound model for long range effect.

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Authors and Affiliations

  1. Scientific Research Physicotechnical Institute, Nizhni Novgorod State University, Nizhni Novgorod, Russia

    V. L. Levshunova & D. I. Tetel’baum

  2. Skobeltsyn Institute of Nuclear Physics, Moscow State University, Moscow, Russia

    G. P. Pohil

Authors
  1. V. L. Levshunova
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  2. G. P. Pohil
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  3. D. I. Tetel’baum
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Corresponding author

Correspondence to G. P. Pohil.

Additional information

Original Russian Text © V.L. Levshunova, G.P. Pohil, D.I. Tetel’baum, 2012, published in Poverkhnost’. Rentgenovskie, Sinkhrotronnye i Neitronnye Issledovaniya, 2012, No. 3, pp. 80–83.

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Levshunova, V.L., Pohil, G.P. & Tetel’baum, D.I. Dislocations as hypersound conductors in long range effect. J. Surf. Investig. 6, 262–265 (2012). https://doi.org/10.1134/S1027451012030160

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  • DOI: https://doi.org/10.1134/S1027451012030160

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