Search for acoustic and optic vibrational modes in Zr 40 Be 60  metallic glass

G. Syrykh; A. Orecchini; A. de Francesco; A. Laloni; A. Stoliarov

doi:10.1134/S0021364017080070

Search for acoustic and optic vibrational modes in Zr₄₀Be₆₀ metallic glass

Authors: Syrykh G.¹, Orecchini A.²^,3, de Francesco A.³, Laloni A.³, Stoliarov A.⁴
Affiliations:
1. National Research Center Kurchatov Institute
2. Department Physics and Geology
3. ICNR-IOM c/o OGG Institut Laue–Langevin
4. Institute for Nuclear Research
Issue: Vol 105, No 8 (2017)
Pages: 488-491
Section: Condensed Matter
URL: https://journals.rcsi.science/0021-3640/article/view/160129
DOI: https://doi.org/10.1134/S0021364017080070
ID: 160129

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Abstract

Dispersion of collective modes in metallic glass (Zr₄₀Be₆₀, composed of disparate mass particles) was measured at small-angle spectrometer BRISP at the ILL what enabled us to extend to lower momentum transfers unlike to high-angle spectrometer IN4 at the ILL. It was shown that the behavior of the optical mode in the metallic glass is similar to the behavior of optic modes in the other systems with non-sized atoms (liquid LiPb, inert gas mixtures with high density (He₆₅Ne₃₅)).