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Hyperfine Interactions

, Volume 73, Issue 3–4, pp 337–346 | Cite as

Pac studies of the electric quadrupole interaction of181Ta in yttrium and copper oxides and in super conducting ceramics YBa2Cu3O7−δ

  • A. A. Sorokin
  • E. N. Shirani
  • L. G. Shpinkova
  • Z. Z. Akselrod
  • B. A. Komissarova
  • G. K. Ryasny
  • S. I. Semyonov
  • G. A. Denisenko
  • I. P. Zibrov
  • A. R. Buev
Article

Abstract

The electric quadrupole interaction of181Ta in Y2O3, CuO, and in the YBa2Cu3O7−δ high temperature superconductors, doped with181Hf, has been studied by the time-differential perturbed angular correlation method (TDPAC). In Y2O3, two distinct fractions of the probe nuclei were detected, which were attributed to the substitutional positions at the two cation sites in the lattice. In CuO, and in the ceramic samples, broad distributions of quadrupole frequencies were observed. Possible configurations of the probe nuclei in these substances are discussed.

Keywords

Oxide Copper Thin Film Yttrium Y2O3 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© J.C. Baltzer AG, Scientific Publishing Company 1992

Authors and Affiliations

  • A. A. Sorokin
    • 1
  • E. N. Shirani
    • 1
  • L. G. Shpinkova
    • 1
  • Z. Z. Akselrod
    • 1
  • B. A. Komissarova
    • 1
  • G. K. Ryasny
    • 1
  • S. I. Semyonov
    • 1
  • G. A. Denisenko
    • 2
  • I. P. Zibrov
    • 2
  • A. R. Buev
    • 3
  1. 1.Institute of Nuclear PhysicsMoscow State UniversityMoscowRussia
  2. 2.Institute of CrystallographyAcademy of Sciences of the USSRMoscowRussia
  3. 3.OKTB “Krystall”Yoshkar-OlaRussia

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