Vol. 7, №1, 2015

CONDENSED MATTER PHYSICS

FORCE AND ELASTIC CONSTANTS OF METALS AND ALLOYS
Lkhamsuren Enkhtor
National University of Mongolia, School of Arts and Science, Department of Physics, http://www.num.edu.nm
210646 Ulaanbaatar, Mongolia
enkhtor@mail.ru
Valentin М. Silonov
Lomonosov Moscow State University, Faculty of Physics, Department of Solid State Physics, http://www.phys.msu.ru
119991 Moscow, Russian Federation
silonov_v@mail.ru

Received 20.04.2015

Abstract. A review of theoretical and experimental investigations of elastic constants of metals and alloys is done. It is considered method of calculations of force and elastic constants of metals by using model potential of Heine-Abarenkov-Animalu within pseudopotential theory. Thus, it is paid especially attention to methods of calculations of elastic constants, in which established a relation between force constants and elastic constants according a long wave approximation. Shown, that pseudopotential method allows to calculate force and elastic constants of metals and alloys.

Keywords: metals, alloys, elastic constants,dynamical matrix, force constants, pseudopotential method

PACS: 61.10.Eq

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RENSIT, 2015, 7(1):68-86 DOI: 10.17725/rensit.2015.07.068

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