Abstract
Abstract The collective mode excitations of Zr41Ti14Cu12.5Be22.5Fe10 bulk metallic glass (BMG) have been theoretically studied at room temperature by applying pseudopotential technique. A well-known Shaw’s optimized constant core model pseudopotential with five different forms of local field correction functions given by Hartree (H), Taylor (T), Ichimaru-Utsumi (IU), Farid et al. (F) and Sarkar et al. (S) are used to study the screening effects on the aforementioned work. The phonon dispersion curves (PDCs) are computed by using Hubbard-Beeby (HB) theoretical approach. While, elastic and thermodynamic properties are theoretically calculated from the elastic limit of the phonon dispersion curve. Such properties compared well with available data in the literature and are found qualitative agreement with them.
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