Authors: Böhmer, Roland
Chamberlin, R. V.
Diezemann, G.
Geil, B.
Heuer, A.
Hinze, G.
Kuebler, S. C.
Richert, R.
Schiener, B.
Sillescu, H.
Spiess, H. W.
Tracht, U.
Wilhelm, M.
Title: Nature of the non-exponential primary relaxation in structural glass-formers probed by dynamically selective experiments
Language (ISO): en
Abstract: Several experimental methods feature the potential to distinguish between slow and fast contributions to the non-exponential, ensemble averaged primary response in glass-forming materials. Some of these techniques are based on the selection of subensembles using multi-dimensional nuclear magnetic resonance, optical bleaching, and non-resonant spectral hole burning. Others, such as the time-dependent solvation spectroscopy, measure microscopic responses induced by local perturbations. Using several of these methods it could be demonstrated for various glass-forming materials that the non-exponential relaxation results from a superposition of dynamically distinguishable entities. The experimental observation that subensembles can be selected efficiently indicates a large degree of heterogeneity. The intrinsic response is compatible with single exponential relaxation.
URI: http://hdl.handle.net/2003/25474
http://dx.doi.org/10.17877/DE290R-3300
Issue Date: 1999-04-08
Rights: Copyright © 1998 Elsevier Science B.V. All rights reserved.
Publisher: Elsevier
URL: http://dx.doi.org/10.1016/S0022-3093(98)00581-X
Citation: Böhmer, R.; Chamberlin, R. V.; Diezemann, G.; Geil, B.; Heuer, A.; Hinze, G.; Kuebler, S. C.; Richert, R.; Schiener, B.; Sillescu, H.; Spiess, H. W.; Tracht, U.; Wilhelm, M.: Nature of the non-exponential primary relaxation in structural glass-formers probed by dynamically selective experiments. In: Journal of Non-Crystalline Solids Jg. 235-237(1998), S. 1-9, doi: 10.1016/S0022-3093(98)00581-X.
Appears in Collections:Böhmer, Roland Prof. Dr.

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