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Quadrupole Interaction of 99Ru in Pr, Nd and 100Rh in Tb Hosts

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Abstract

The electric field gradient at transition element impurities 99Ru and 100Rh in metallic rare earth hosts Pr, Nd and Tb has been investigated by time differential perturbed angular correlation (TDPAC) technique at room temperature. The electric field gradients, calculated from the measured quadrupole interaction frequencies at room temperature, are; RuPr: 6.06×1017 V/cm2, RuNd: 5.83×1017 V/cm2 and RhTb: 5.40×1017 V/cm2. The electronic enhancement factors (α) for RuPr and RuNd are about 2.5 times the value observed in RuGd and RhTb (it is found to be more than 40 as in RhGd). The results cannot be explained in terms of the existing models based on charge transfer or volume mismatch of the impurity and the host.

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Authors and Affiliations

  1. Centre of Advanced Study in Physics, Department of Physics, Panjab University, Chandigarh, 160 014, India

    P. Thakur & A. K. Bhati

  2. SBS College of Engg. & Tech., Ferozepur, 152 001, India

    R. Dogra

  3. Centre of Advanced Study in Physics, Department of Physics, Panjab University, Chandigarh, 160 014, India

    S. C. Bedi

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  1. P. Thakur
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  2. R. Dogra
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  3. A. K. Bhati
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  4. S. C. Bedi
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Thakur, P., Dogra, R., Bhati, A.K. et al. Quadrupole Interaction of 99Ru in Pr, Nd and 100Rh in Tb Hosts. Hyperfine Interactions 136, 485–490 (2001). https://doi.org/10.1023/A:1020506304632

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