Local premelting about impurities

E. A. Stern, Ke Zhang

Research output: Contribution to journalArticlepeer-review

34 Scopus citations


X-ray-absorption fine-structure measurements were made on pure Pb and dilute solid solutions of Hg in Pb. These measurements are consistent with a model of local premelting of bonds around the Hg impurities beginning around 400 K, which is 180°C below the bulk melting temperature of the alloy. The results imply that initiation of bulk three-dimensional melting may occur around point defects, even for pure materials.

Original languageEnglish
Pages (from-to)1872-1875
Number of pages4
JournalPhysical Review Letters
Issue number18
StatePublished - 1988
Externally publishedYes


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