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The Change of the Vibration Entropy Due to the Disordering of an Ordered Simple-Cubic Alloy
Published online by Cambridge University Press: 21 February 2011
Abstract
Within a model of central and noncentral forces the exact change of the vibrational entropy, ΔS, is calculated, both as function of the degree of order and as a function of the diverse force constants. A linear relationship between ΔS and the short-range order parameter is found. Results of ΔS as a function of the force constants are compared with ΔS as calculated by an empirical formula based on a modified Einstein crystal model.
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- Copyright © Materials Research Society 1984
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