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Title: Comment on "Reappraisal of experimental values of third-order elastic constants of some cubic semiconductors and metals"
Author: Mañosa, Lluís
Keywords: Semiconductors
Issue Date: 2006
Publisher: The American Physical Society
Abstract: In a recent paper A. S. Johal and D. J. Dunstan [Phys. Rev. B 73, 024106 (2006)] have applied multivariate linear regression analysis to the published data of the change in ultrasonic velocity with applied stress. The aim is to obtain the best estimates for the third-order elastic constants in cubic materials. From such an analysis they conclude that uniaxial stress data on metals turns out to be nearly useless by itself. The purpose of this comment is to point out that by a proper analysis of uniaxial stress data it is possible to obtain reliable values of third-order elastic constants in cubic metals and alloys. Cu-based shape memory alloys are used as an illustrative example.
Note: Reproducció digital del document publicat en format paper, proporcionada a
It is part of: Physical Review B, 2006, vol. 74, núm. 14, p. 146101-1-146101-2
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ISSN: 0163-1829
Appears in Collections:Articles publicats en revistes (Física Quàntica i Astrofísica)

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