Propagating vibrational modes in the Zr-Be metallic glasses

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dc.contributor.authorSyrykh, GFen_AU
dc.contributor.authorIvanov, ASen_AU
dc.contributor.authorKlimenko, NAen_AU
dc.contributor.authorLisichkin, YVen_AU
dc.contributor.authorMutka, Hen_AU
dc.contributor.authorStride, JAen_AU
dc.date.accessioned2008-04-11T05:30:22Zen_AU
dc.date.accessioned2010-04-30T05:06:43Zen_AU
dc.date.available2008-04-11T05:30:22Zen_AU
dc.date.available2010-04-30T05:06:43Zen_AU
dc.date.issued2008-03-12en_AU
dc.date.statistics2008-03en_AU
dc.description.abstractThe dynamic structure factors, S(Q, E), for the Zr70Be30, Zr60Be40 and Zr50Be50 metallic glasses have been measured using neutron inelastic scattering on the IN4 spectrometer (ILL, Grenoble, France), over the range of momentum transfers 0.7 < h Q (angstrom(-1)) < 7 and energy transfers 2 < E (meV) < 60. The constant- Q cuts through the dynamic structure factor and longitudinal current correlation function, J(l) ( Q, E), were obtained. The dispersion relations for two representations, S( Q, E) and J(l) (Q, E), were derived by fitting a Gaussian to the peaks. The specific low-energy modes (similar to 5 meV) as well as 'acoustic-phonon like' (similar to 16 meV) and 'optic-phonon like' excitations (similar to 47 meV) were observed in these metallic glasses with disparate mass and ionic radius components. © 2008, Institute of Physicsen_AU
dc.identifier.articlenumber104241en_AU
dc.identifier.citationSyrykh, G. F., Ivanov, A. S., Klimenko, N. A., Lisichkin, Y. V., Mutka, H., & Stride, J. A. (2008). Propagating vibrational modes in the Zr-Be metallic glasses. Journal of Physics: Condensed Matter, 20(10), 104241. doi:10.1088/0953-8984/20/10/104241en_AU
dc.identifier.govdoc1430en_AU
dc.identifier.issn0953-8984en_AU
dc.identifier.issue10en_AU
dc.identifier.journaltitleJournal of Physics: Condensed Matteren_AU
dc.identifier.urihttp://dx.doi.org/10.1088/0953-8984/20/10/104241en_AU
dc.identifier.urihttp://apo.ansto.gov.au/dspace/handle/10238/1058en_AU
dc.identifier.volume20en_AU
dc.language.isoenen_AU
dc.publisherInstitute of Physicsen_AU
dc.subjectMetallic glassesen_AU
dc.subjectVibrational statesen_AU
dc.subjectInelastic scatteringen_AU
dc.subjectNeutronsen_AU
dc.subjectDispersionsen_AU
dc.subjectEnergy transferen_AU
dc.titlePropagating vibrational modes in the Zr-Be metallic glassesen_AU
dc.typeJournal Articleen_AU
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