Authors: Böhmer, Roland
Nowaczyk, A.
Geil, B.
Hinze, G.
Title: Correlation of primary relaxations and high-frequency modes in supercooled liquids
Language (ISO): en
Abstract: Using spin-lattice relaxation weighted stimulated-echo spectroscopy, we report evidence for a correlation of the primary and secondary relaxation times. The experiments are performed using deuteron nuclear magnetic resonance somewhat above the calorimetric glass-transition of ortho-terphenyl, D-sorbitol, and cresolphthalein-dimethylether. The data analysis is based on the procedure outlined in the accompanying theoretical paper [B. Geil, G. Diezemann, and R. Böhmer, Phys. Rev. E 74, 041504 (2006)]. Direct experimental evidence for a modified spin-lattice relaxation is obtained from measurements on a methyl deuterated acetyl salicylic acid glass. The limitations of the present experimental method are discussed.
Issue Date: 2006
Provenance: The American Physical Society
Citation: Nowaczyk, A.; Geil, B.; Hinze, G.; Böhmer, R.: Correlation of primary relaxations and high-frequency modes in supercooled liquids : II. Evidence from spin-lattice relaxation weighted stimulated-echo spectroscopy. In: Physical Review E Jg. 74(2006), 041505/1-7, doi: 10.1103/PhysRevE.74.041505.
Appears in Collections:Böhmer, Roland Prof. Dr.

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