title: Short range order in elemental liquids of column IV.
abstract: The short range order (SRO) in liquid elements of column IV is analysed within the quasi-crystalline model across a wide range of temperatures. It is found that l-Si, Ge, and Sn are well described with a beta-tin like SRO. In contrast, Pb retains a bcc-like SRO similar to other simple elemental liquids. However, a distinction is found between the SRO in Si and Ge and that in Sn, where the latter has a more rigid structure. This difference persists across the entire temperature range examined but is overcome in Si at pressures above 8 GPa, where the liquid structure evolves towards that of Sn.
authors.affiliation: Theory of Condensed Matter Group, Cavendish Laboratory, University of Cambridge, J. J. Thomson Avenue, Cambridge CB3 0HE, United Kingdom.
authors.forename: M
authors.initials: M
authors.lastname: Mayo
authors.affiliation: Materials Engineering Department, Ben-Gurion University of the Negev, 84105 Beer-Sheva, Israel.
authors.forename: S
authors.initials: S
authors.lastname: Shor
authors.affiliation: Physics Department, Nuclear Research Centre-Negev, 84190 Beer-Sheva, Israel.
authors.forename: E
authors.initials: E
authors.lastname: Yahel
authors.affiliation: Materials Engineering Department, Ben-Gurion University of the Negev, 84105 Beer-Sheva, Israel.
authors.forename: G
authors.initials: G
authors.lastname: Makov