G. A. Bordovskii, E. I. Terukov, A. V. Marchenko, P. P. Seregin, A. V. Shaldenkova, “Absolute atomic charges in YBa$_{2}$Cu$_{3}$O$_{7}$ lattice determined by analysis of the nuclear quadrupole interaction parameters”, Pisma v Zhurnal Tekhnicheskoi Fiziki, 2017, Volume 43, Issue 8,Pages 102

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Absolute atomic charges in YBa$_{2}$Cu$_{3}$O$_{7}$ lattice determined by analysis of the nuclear quadrupole interaction parameters

G. A. Bordovskii^a, E. I. Terukov^b, A. V. Marchenko^a, P. P. Seregin^a, A. V. Shaldenkova^a

^a Herzen State Pedagogical University of Russia, St. Petersburg
^b Ioffe Institute, St. Petersburg

Abstract: The absolute charges of atoms in all sites of the YBa$_{2}$Cu$_{3}$O$_{7}$ lattice were determined using Mössbauer data for $^{67}$Cu($^{67}$Zn) and $^{67}$Ga($^{67}$Zn) isotopes, NMR/NQR data for $^{17}$O and $^{137}$Ba 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.

Received: 24.11.2016

DOI: 10.21883/PJTF.2017.08.44541.16581