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Spatial distribution of defect electrons in the Y2Ba4Cu7O15 lattice

  • Metals and Superconductors
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Abstract

The method of emission Mössbauer spectroscopy on the 67Cu(67Zn) isotope is used for determining the parameters of nuclear quadrupole interaction at copper sites of the Y2Ba4Cu7O15 lattice. The tensor of crystal electric field gradient at all the sites of the lattice is calculated using the model of point charges. A comparison of experimental and calculated parameters leads to the conclusion that holes in the Y2Ba4Cu7O15 lattice are localized predominantly at positions of chain oxygen.

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Authors and Affiliations

  1. St. Petersburg State Technical University, ul. Politekhnicheskaya 29, St. Petersburg, 195251, Russia

    F. S. Nasredinov, N. P. Seregin & P. P. Seregin

Authors
  1. F. S. Nasredinov
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  2. N. P. Seregin
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  3. P. P. Seregin
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Additional information

__________

Translated from Fizika Tverdogo Tela, Vol. 42, No. 4, 2000, pp. 606–610.

Original Russian Text Copyright © 2000 by Nasredinov, N. Seregin, P. Seregin.

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Nasredinov, F.S., Seregin, N.P. & Seregin, P.P. Spatial distribution of defect electrons in the Y2Ba4Cu7O15 lattice. Phys. Solid State 42, 621–625 (2000). https://doi.org/10.1134/1.1131259

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