Relaxation dynamics in orientational glasses

6533b827fe1ef96bd1286f6e

RESEARCH PRODUCT

Relaxation dynamics in orientational glasses

Roland Böhmer K. Knorr J Hessinger U. T. Höchli I. Fehst Alois Loidl

subject

Condensed Matter::Soft Condensed Matter Dipole Condensed matter physics Chemistry Potential energy surface Dynamics (mechanics)Materials Chemistry Ceramics and Composites Low density Relaxation (physics)Condensed Matter Physics Electronic Optical and Magnetic Materials

description

Abstract The multipolar relaxation dynamics observed in dipolar and quadrupolar glasses are reviewed. Special attention is given to the distribution of the relaxation times and to the temperature dependence of the mean relaxation rates. Experimental evidence is provided that orientational glasses can be described in terms of ‘strong glasses’ that are characterized by a low density of configurational states in the potential energy surface. It is suggested that this behavior results from the natural separation of timescales of reorientational and diffusive processes in these crystals.

year	journal	country	edition	language
1991-06-01	Journal of Non-Crystalline Solids

https://doi.org/10.1016/0022-3093(91)90315-w

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