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Lattice defects in cadmium studied by the angular correlation method

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Zeitschrift für Physik B Condensed Matter

Abstract

The perturbed angular correlation of the 173 keV—247 keVγ-γ-cascade in111Cd was measured for proton-irradiated and quenched cadmium as a function of the annealing temperature. Three distinct defect configurations were identified by the quadrupole interaction frequencies:D 1 with\(\left| {v_Q } \right| = \left| {\frac{{eQV_{zz} }}{h}} \right| = 103\left( 3 \right)\) MHz visible for annealing temperaturesT A between 110 K and 130 K,D 2 with |v Q | between 4 and 22 MHz observed for 110 K ≦T A ≦150 K, andD 3 with no electric field gradient. The fractionD 3 is seen from 77 K to room temperature. The defect configurationsD 1 andD 2 are of vacancy type. It is argued thatD 1 originates from simple defect structures (probably mono- or divacancies) whileD 2 is attributed to small vacancy agglomerates. Because of its larger stability,D 3 is ascribed to defect loops. The experiment shows clearly that a vacancy-like defect is mobile in recovery stage III in Cd.

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Authors and Affiliations

  1. Physikalisches Institut, Universität Erlangen-Nürnberg, Erwin-Rommel-Straße 1, D-8520, Erlangen, Germany

    W. Witthuhn, A. Weidinger, W. Sandner, H. Metzner, W. Klinger & R. Böhm

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  1. W. Witthuhn
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  2. A. Weidinger
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  3. W. Sandner
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  4. H. Metzner
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  5. W. Klinger
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  6. R. Böhm
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Additional information

On leave from the Fachbereich Physik, Universität Konstanz, 7750 Konstanz, Germany

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Witthuhn, W., Weidinger, A., Sandner, W. et al. Lattice defects in cadmium studied by the angular correlation method. Z Physik B 33, 155–162 (1979). https://doi.org/10.1007/BF01323688

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  • DOI: https://doi.org/10.1007/BF01323688

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