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Original Articles

Numerical calculations of the change of the vibrational entropy due to disordering of a one- and two-dimensional ordered binary alloy

Pages 213-219 | Received 09 Mar 1981, Accepted 28 Jun 1981, Published online: 04 Oct 2006
 

Abstract

The change of the vibrational entropy at high temperature due to the disordering of an ordered alloy has been calculated for the linear chain and the square lattice within a harmonic model of nearest-neighbour interactions. For the two-dimensional lattice a step-wise numerical procedure was used. The change in vibrational entropy turned out to be of a similar magnitude to the change in configurational entropy.

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