Temperature dependence of the dynamic structure factor for supercooled Sn1-xPbx alloys: A test of instability theories for the liquid-solid phase transition

J. B. Suck; J. H. Perepezko; I. E. Anderson; C. A. Angell

doi:10.1103/PhysRevLett.47.424

Temperature dependence of the dynamic structure factor for supercooled Sn1-xPbx alloys: A test of instability theories for the liquid-solid phase transition

J. B. Suck, J. H. Perepezko, I. E. Anderson, C. A. Angell

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Abstract

Measurements of the dynamic structure factor at Q0, the momentum transfer of the first maximum of S(Q,0), have been made for droplet samples of Sn and Sn + Pb liquid alloys into the supercooled region. It is shown that half-width variations with temperature are inconsistent with expectations from instability theories for the liquid-solid phase transition, but correlate well with changes in atomic diffusivities with alloy composition.

Original language	English (US)
Pages (from-to)	424-427
Number of pages	4
Journal	Physical Review Letters
Volume	47
Issue number	6
DOIs	https://doi.org/10.1103/PhysRevLett.47.424
State	Published - 1981
Externally published	Yes

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General Physics and Astronomy

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10.1103/PhysRevLett.47.424

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year = "1981",

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AU - Anderson, I. E.

AU - Angell, C. A.

PY - 1981

Y1 - 1981

N2 - Measurements of the dynamic structure factor at Q0, the momentum transfer of the first maximum of S(Q,0), have been made for droplet samples of Sn and Sn + Pb liquid alloys into the supercooled region. It is shown that half-width variations with temperature are inconsistent with expectations from instability theories for the liquid-solid phase transition, but correlate well with changes in atomic diffusivities with alloy composition.

AB - Measurements of the dynamic structure factor at Q0, the momentum transfer of the first maximum of S(Q,0), have been made for droplet samples of Sn and Sn + Pb liquid alloys into the supercooled region. It is shown that half-width variations with temperature are inconsistent with expectations from instability theories for the liquid-solid phase transition, but correlate well with changes in atomic diffusivities with alloy composition.

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Temperature dependence of the dynamic structure factor for supercooled Sn1-xPbx alloys: A test of instability theories for the liquid-solid phase transition

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