Phys. Rev. Lett. 42, 1694–1697 (1979)Lattice-Parameter Changes due to Au Dissolution in PbReceived 11 September 1978; published in the issue dated 18 June 1979 A careful measurement of the lattice parameters of pure Pb and a Pb+(0.0918 at.% Au) sample after a quench and equilibrium annealing cycle shows that Au in both monomer and "tetramer" defect states produces lattice contraction with the "tetramer" somewhat remarkably having the larger effect per atom. The observed monomer contraction suggests that the majority site occupancy for Au is substitutional and that the rapid Au diffusion must therefore involve a substitutional-interstitial mechanism. © 1979 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevLett.42.1694
DOI:
10.1103/PhysRevLett.42.1694
PACS:
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