Effects of high pressure on the electric field gradient in sp metals
Fecha
1979
Abstract
The effect of high pressure on the electric field gradient (EFG) present at 111Cd impurity nuclei in sp host metals of Zn, In, β-Sn, and TI has been measured by the time-differential perturbed angular correlation technique. The pressure range was up to 40 kbar for TI and up to 30 kbar for other hosts. The EFG decreases with pressure for Zn and TI hosts and increases for Sn and In. In all hosts the rate of change of the EFG with volume (∂ lnq /∂ In V) c/a,T is in agreement with systematics. The
The effect of high pressure on the electric field gradient (EFG) present at 111Cd impurity nuclei in sp host metals of Zn, In, β-Sn, and TI has been measured by the time-differential perturbed angular correlation technique. The pressure range was up to 40 kbar for TI and up to 30 kbar for other hosts. The EFG decreases with pressure for Zn and TI hosts and increases for Sn and In. In all hosts the rate of change of the EFG with volume (∂ lnq /∂ In V) c/a,T is in agreement with systematics. The results are compared with calculations based on existing theoretical approaches.
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