Abstract
Recent measurements of the atomic structure of supercooled liquid B, Ni, Si and Zr show a short-range structure similar to that of the nucleating crystalline phases. As the liquids are supercooled, the coordination numbers and interatomic distances increase, decrease or remain essentially constant to approach the values characteristic of the crystals that nucleate from the liquid. Further support for the present observations comes from prior results on Ga, Ge and Pd. This observed correlation between supercooled liquid and crystalline structures provides new insight into nucleation phenomena. The trends in the experimental results and the relationship between the short-range structural properties of supercooled elemental liquids and their crystalline counterparts are discussed.
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