Giant changes in atomic dynamics on microalloying metallic melt
2009 | journal article. A publication with affiliation to the University of Göttingen.
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- Authors
- Chathoth, Suresh Mavila; Damaschke, Bernd; Embs, J. P.; Samwer, Konrad H.
- Abstract
- We report unexpectedly strong variations in the relaxational dynamics in a glass-forming metallic melt while microalloying. Analysis of quasielastic neutron scattering data revealed that changes in the values of stretching of the self-correlation function and the temperature dependence of self-diffusivity showed an Arrhenius to non-Arrhenius transition. The intermediate Structure of the melts did not show any prepeak or indication of short range order. These observations are correlated with the enhanced glass-forming ability of metallic melts oil microalloying. (C) 2009 American Institute of Physics [doi: 10.1063/1.3263950]
- Issue Date
- 2009
- Status
- published
- Publisher
- Amer Inst Physics
- Journal
- Applied Physics Letters
- ISSN
- 0003-6951
- Sponsor
- EU; DLR [50WM0541]; DFG [SFB 602]; Leibniz program