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Pressure dependence of the electric field gradient at Po impurities in Bi single crystal

  • Hyperfine Interactions of Probe Atoms in Metals Alloys and Compounds Electric Interaction
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Abstract

The electric quadrupole coupling constants for210Po(6+) isomers in a Bi single crystal host have been measured at ambient, 3 Kbar and 6 Kbar hydrostatic pressures. Assuming a linear pressure dependence of the EFG we find the logarithmic derivative dlnq/dP=−8(5)Mbar−1. This result is analyzed in a quantitative way in a point charge model, considering the elastic and lattice constants of Bi, and in a qualitative way in the covalent bond picture.

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References

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Authors and Affiliations

  1. Department of Nuclear Physics, Weizmann Institute of Science, Rehovot, Israel

    E. Dafni & E. Naim

  2. Research Institute of Physics, Stockholm, Sweden

    L. O. Norlin

  3. Department of Physics, Uppsala University, Uppsala, Sweden

    B. Lindgren

Authors
  1. E. Dafni
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  2. E. Naim
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  3. L. O. Norlin
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  4. B. Lindgren
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Dafni, E., Naim, E., Norlin, L.O. et al. Pressure dependence of the electric field gradient at Po impurities in Bi single crystal. Hyperfine Interact 34, 235–238 (1987). https://doi.org/10.1007/BF02072711

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  • DOI: https://doi.org/10.1007/BF02072711

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