Comparative study of the NMR length scale of dynamic heterogeneities of three 
different glass formers

Reinsberg, Stefan A.; Heuer, Andreas; Doliwa, Burkhard; Zimmermann, Herbert; Spiess, Hans W.

doi:10.1016/S0022-3093(02)01460-6

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Comparative study of the NMR length scale of dynamic heterogeneities of three different glass formers

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Heuer, Andreas
Research Group Prof. Dr. Haeberlen, Max Planck Institute for Medical Research, Max Planck Society;

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Zimmermann, Herbert
Emeritus Group Biophysics, Max Planck Institute for Medical Research, Max Planck Society;

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http://www.sciencedirect.com/science/article/pii/S0022309302014606/pdfft?md5=0ab3a3263a32434be4094e127c5f8c3b&pid=1-s2.0-S0022309302014606-main.pdf
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http://dx.doi.org/10.1016/S0022-3093(02)01460-6
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Citation

Reinsberg, S. A., Heuer, A., Doliwa, B., Zimmermann, H., & Spiess, H. W. (2002). Comparative study of the NMR length scale of dynamic heterogeneities of three different glass formers. Journal of Non-Crystalline Solids, 307-310, 208-214. doi:10.1016/S0022-3093(02)01460-6.

Cite as: https://hdl.handle.net/11858/00-001M-0000-0029-2B1F-0

Abstract

This article presents a comparison of the determination of the length scale of dynamic heterogeneities in different glass formers by means of a multidimensional 13C solid-state exchange NMR experiment. So far, results for poly(vinyl acetate) and glycerol have been reported. The existing data together with new results for o-terphenyl have been re-analysed in a slightly revised procedure. This revision is rationalised by computer experiments which are performed on hard-sphere systems in analogy to the NMR experiment. While we find domains in the region of 2–4 nm for PVAc and o-terphenyl, glycerol has a smaller domain of ≈1 nm.