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The effects of concentration and temperature on the EFG generated by N.N. Pd impurities in a cubic Ag host

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Abstract

The time differential perturbed angular correlation (TDPAC) method is used to investigate the electric field gradients (EFG) generated by Pd impurity atoms alloyed into the cubic Ag host. As the concentration of the impurity is increased from 0.25 to 2.5 at.% we observed in detail how different near neighbour (n.n.) sites to the probe nuclei are populated, creating different EFG. The temperature dependence of the different EFG for a sample with 0.5 at.% of Pd showed that all follow theT 3/2 law found previously for other doped cubic systems. In addition we observed that the n.n. population of impurities is strongly related to the thermal treatment of the sample.

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Authors and Affiliations

  1. Instituto de Física, Universidade Federal do Rio Grande do Sul, Porto Alegre, RS, Brasil

    J. A. H. Da Jornada, I. J. R. Baumvol, M. Behar, R. P. Livi & F. C. Zawislak

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  1. J. A. H. Da Jornada
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  2. I. J. R. Baumvol
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  3. M. Behar
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  4. R. P. Livi
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  5. F. C. Zawislak
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Work supported in part by Conselho Nacional de Desenvolvimento Científico e Tecnológico and Fianciadora de Estudos e Projectos.

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Da Jornada, J.A.H., Baumvol, I.J.R., Behar, M. et al. The effects of concentration and temperature on the EFG generated by N.N. Pd impurities in a cubic Ag host. Hyperfine Interact 5, 219–231 (1977). https://doi.org/10.1007/BF01021695

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  • DOI: https://doi.org/10.1007/BF01021695

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