title: Segregation and temperature effect on the atomic structure of Bi(30)Ga(70) liquid alloy.
abstract: We investigate the structure of liquid monotectic alloy Bi(30)Ga(70) above and below the critical point. The three-dimensional structure at 265 °C is modelled by means of the reverse Monte Carlo simulation technique using neutron and x-ray diffraction experimental data. It is shown that atomic segregation on the short-range scale exists in the liquid Bi(30)Ga(70) slightly above the critical temperature (T(C) = 262 °C). We present also the structure factors of Bi(30)Ga(70) liquid alloy under the critical point at 240 and 230 °C obtained with neutron diffraction to highlight the temperature effect in the atomic structure.
authors.affiliation: Laboratoire de Physique des Milieux Denses, Institut de Chimie Physique et Matériaux, Université Paul Verlaine-Metz, 1 Boulevard Arago 57078 Metz Cedex 3, France.
authors.forename: D Es
authors.initials: DE
authors.lastname: Sbihi
authors.forename: B
authors.initials: B
authors.lastname: Grosdidier
authors.forename: I
authors.initials: I
authors.lastname: Kaban
authors.forename: S
authors.initials: S
authors.lastname: Gruner
authors.forename: W
authors.initials: W
authors.lastname: Hoyer
authors.forename: J-G
authors.initials: JG
authors.lastname: Gasser