Slow Aging Dynamics and Avalanches in a Gold-Cadmium Alloy Investigated by X-Ray Photon Correlation Spectroscopy
Journal Article
·
· Physical Review Letters
- II. Physikalisches Institut, RWTH Aachen University, D-52056 Aachen (Germany)
- Deutsches Elektronen-Synchrotron DESY, Notkestrasse 85, D-22607 Hamburg (Germany)
- European Synchrotron Radiation Facility, Boite Postale 220, F-38043 Grenoble (France)
- School of Physics, University of Melbourne, Victoria 3010 (Australia)
Results of a x-ray photon correlation spectroscopy experiment on the very weakly first order martensitic transformation of a Au{sub 50.5}Cd{sub 49.5} single crystal are presented. Slow non-equilibrium-dynamics are observed in a narrow temperature interval in the direct vicinity of the otherwise athermal phase transformation. These dynamics are associated with the martensite-aging effect. The dynamical aging is accompanied by an avalanchelike behavior which is identified with an incubation-time phenomenon.
- OSTI ID:
- 21611575
- Journal Information:
- Physical Review Letters, Vol. 107, Issue 10; Other Information: DOI: 10.1103/PhysRevLett.107.105701; (c) 2011 American Institute of Physics; Country of input: International Atomic Energy Agency (IAEA); ISSN 0031-9007
- Country of Publication:
- United States
- Language:
- English
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