Hyperfine Interactions

, Volume 70, Issue 1–4, pp 1125–1128 | Cite as

Mössbauer investigations on glass-forming organic liquids

  • F. Parak
  • E. W. Knapp
  • I. Chang
  • G. U. Nienhaus
Relaxation Effects and Diffusion


Glycerol forms a molecular glass near 180K. Fe2+ dissolved in glycerol allows the study of the dynamics of the system by Mössbauer spectroscopy. Recently it has been shown that the Mössbauer spectra can be understood in a way consistent with the results of dielectric and ultrasonic viscoelastic relaxation measurements. A jump diffusion model of Sinqwi and Sjolander with a jump rate distribution according to Davidson and Cole allowed us to fit the Mössbauer spectra of Fe in glycerol. First attempts to compare mode coupling theory with Mössbauer spectra are reported.


Spectroscopy Thin Film Glycerol Diffusion Model Mode Coupling 
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Copyright information

© J.C. Baltzer A.G., Scientific Publishing Company 1992

Authors and Affiliations

  • F. Parak
    • 1
  • E. W. Knapp
    • 2
  • I. Chang
    • 1
  • G. U. Nienhaus
    • 3
  1. 1.Institut für Molekulare BiophysikFB 21 Johannes Gutenberg-UniversitätMainzGermany
  2. 2.Institut für Kristallographie, FB ChemieFreie Universität BerlinBerlinGermany
  3. 3.Department of PhysicsUniversity of Illinois at Urbana-ChampaignUbanaUSA

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