JETP Letters

, Volume 105, Issue 9, pp 591–594 | Cite as

Temperature dependence of the kinetic energy in the Zr40Be60 amorphous alloy

  • G. F. Syrykh
  • A. A. StolyarovEmail author
  • M. Krzystyniak
  • G. Romanelli
  • R. A. Sadykov
Condensed Matter


The average kinetic energy 〈E(T)〉 of the atomic nucleus for each element of the amorphous alloy Zr40Be60 in the temperature range 10–300 K has been measured for the first time using VESUVIO spectrometer (ISIS). The experimental values of 〈E(T)〉 have been compared to the partial ZrBe spectra refined by a recursion method based on the data obtained with thermal neutron scattering. The satisfactory agreement has been reached with the calculations using partial spectra based on thermal neutron spectra obtained with recursion method. In addition, the experimental data have been compared to the Debye model. The measurements at different temperatures (10, 200, and 300 K) will provide an opportunity to evaluate the significance of anharmonicity in the dynamics of metallic glasses.


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Copyright information

© Pleiades Publishing, Inc. 2017

Authors and Affiliations

  • G. F. Syrykh
    • 1
  • A. A. Stolyarov
    • 2
    Email author
  • M. Krzystyniak
    • 3
  • G. Romanelli
    • 3
  • R. A. Sadykov
    • 2
  1. 1.National Research Center Kurchatov InstituteMoscowRussia
  2. 2.Institute for Nuclear ResearchRussian Academy of SciencesMoscowRussia
  3. 3.ISIS FacilityRutherford Appleton Laboratory, ChiltonDidcot, OxfordshireUK

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