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Title Temperature Dependence of a Period of the Modulated Structurein Atom-Vacancy Solid Solution Based on F.C.C. Nickel
Authors Oliinyk, O.V.
Tatarenko, V.A.
ORCID
Keywords Vacancies
Strain-induced interaction
Electrochemical interaction
Type Article
Date of Issue 2012
URI http://essuir.sumdu.edu.ua/handle/123456789/24924
Publisher Видавництво СумДУ
License
Citation O.V. Oliinyk, V.A. Tatarenko, J. Nano-Electron. Phys. 4 No 1, 01023 (2012)
Abstract The effective vacancy–vacancy interaction is considered. Based on the continuum approximation for the Fourier components of strain-induced vacancy–vacancy-interaction energies, approximating expressions for their expansion coefficients are obtained, depending on the elasticity moduli, longitudinal and transverse phonon frequencies, and vacancy-concentration-dependent lattice parameter. A non-analytical behaviour of the k-dependent Fourier components of the strain-induced vacancy–vacancy-interaction energies near the Brillouin zone centre, Avv(n) + Bvv(n)|k|2, is analysed. As shown, Avv(n) 0 and Bvv(n) 0 along all the high-symmetry [100], [110], [111] directions in reciprocal space for f.c.c. crystals with negative anisotropy factor. The criterion of modulated-structure formation for interacting vacancies in f.c.c. crystals is considered. Dependence of the f.c.c.-Ni–vacancies modulated-structure period on temperature is plotted. When you are citing the document, use the following link http://essuir.sumdu.edu.ua/handle/123456789/24924
Appears in Collections: Журнал нано- та електронної фізики (Journal of nano- and electronic physics)

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