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Absolute atomic charges in YBa2Cu3O7 lattice determined by analysis of the nuclear quadrupole interaction parameters


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Resumo

The absolute charges of atoms in all sites of the YBa2Cu3O7 lattice were determined using Mössbauer data for 67Cu(67Zn) and 67Ga(67Zn) isotopes, NMR/NQR data for 17O and 137Ba isotopes, and calculations of the lattice electric-field gradient. The obtained charge distributions correspond to a hole occurring predominantly in the sublattice of chain oxygen.

Sobre autores

G. Bordovskii

Herzen State Pedagogical University of Russia

Email: ppseregin@mail.ru
Rússia, St. Petersburg, 191186

E. Terukov

Ioffe Physical Technical Institute

Email: ppseregin@mail.ru
Rússia, St. Petersburg, 194021

A. Marchenko

Herzen State Pedagogical University of Russia

Email: ppseregin@mail.ru
Rússia, St. Petersburg, 191186

P. Seregin

Herzen State Pedagogical University of Russia

Autor responsável pela correspondência
Email: ppseregin@mail.ru
Rússia, St. Petersburg, 191186

A. Shaldenkova

Herzen State Pedagogical University of Russia

Email: ppseregin@mail.ru
Rússia, St. Petersburg, 191186

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