paper

Dielectric spectroscopy on aging glasses

arXiv:cond-mat/0511104 · doi:10.1016/j.jnoncrysol.2006.02.136

Abstract

In the present work, we provide further evidence for the applicability of a modified stretched-exponential behavior, proposed recently for the description of aging-time dependent data below the glass temperature [P. Lunkenheimer et al., Phys. Rev. Lett. 95 (2005) 055702]. We analyze time-dependent dielectric loss data in a variety of aging glasses, including new data on Salol and propylene carbonate, using a conventional stretched exponential and the newly proposed approach. Also the scaling of aging data obtained at different measuring frequencies, which was predicted on the basis of the new approach, is checked for its validity.

arXiv comment6 pages, 5 figures, submitted to proceedings of 5th IDMRCS, Lille, 2005

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