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Quadrupole interaction at181Ta in BaHfO3

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Abstract

BaHfO3 is prepared by sintering a mixture of BaCO3 and HfO2 giving the same heat treatments as for YBa2Cu3O7−δ (YBCO). X-ray diffraction analysis confirms the formation of cubic BaHfO3 along with some unreacted HfO2. A181Ta TDPAC study of the sample, prepared using neutron-irradiated HfO2 and BaCO3, shows a relaxation process to be present in the sample. The value of the relaxation constantλ≅0.26 ns is unusually large and temperature independent.

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Authors and Affiliations

  1. Physics Department, Faculty of Science, M. S. University, 390002, Baroda, India

    K. C. Sebastian & D. R. S. Somayajulu

  2. Physics Department, M.L.S. University, 313001, Udaipur, India

    S. N. A. Jaffrey, S. S. Sharma & J. Varma

Authors
  1. K. C. Sebastian
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  2. D. R. S. Somayajulu
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  3. S. N. A. Jaffrey
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  4. S. S. Sharma
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  5. J. Varma
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Sebastian, K.C., Somayajulu, D.R.S., Jaffrey, S.N.A. et al. Quadrupole interaction at181Ta in BaHfO3 . Hyperfine Interact 99, 347–351 (1996). https://doi.org/10.1007/BF02274939

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  • DOI: https://doi.org/10.1007/BF02274939

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