Abstract
The results of recent perturbed angular correlation (PAC) experiments in semiconducting alloys are discussed. The observed temperature dependence of the electric field gradients (EFG) differs drastically from that of methals. The variation of the conduction electron density with temperature certainly influences the EFG but can not explain in general the data. A model developed for In2Te5 based on the change of the local electron density is discussed in detail.
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Witthuhn, W. Electric field gradients in semiconducting alloys. Hyperfine Interact 25, 547–564 (1985). https://doi.org/10.1007/BF02354666
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DOI: https://doi.org/10.1007/BF02354666