Relaxational features of supercooled and glassy m-toluidine

Andrea Mandanici, Ranko Richert, Maria Cutroni, Xiangfu Shi, Stephen A. Hutcheson, Gregory B. McKenna

Research output: Contribution to journalArticle

14 Scopus citations

Abstract

Recent investigations performed by dielectric and mechanical spectroscopy have provided detailed information about the dynamical response of m-toluidine in the supercooled and glassy states. In the present work we analyze the properties of the α-relaxation process on the basis of dielectric and shear mechanical data, discussing the unusual behavior of this fragile glass-former. The nature of the secondary relaxation is elucidated by high resolution dielectric measurements and discussed in terms of the Coupling Model and literature results on other small molecule glass-forming liquids.

Original languageEnglish
Pages (from-to)4729-4734
Number of pages6
JournalJournal of Non-Crystalline Solids
Volume352
Issue number42-49 SPEC. ISS.
DOIs
StatePublished - Nov 15 2006

Keywords

  • Dielectric properties
  • Fragility
  • Glass transition
  • Liquid crystals and molecular liquids
  • Mechanical
  • Relaxation
  • Rheology
  • Structural relaxation
  • Viscosity
  • electric modulus
  • stress relaxation

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    Mandanici, A., Richert, R., Cutroni, M., Shi, X., Hutcheson, S. A., & McKenna, G. B. (2006). Relaxational features of supercooled and glassy m-toluidine. Journal of Non-Crystalline Solids, 352(42-49 SPEC. ISS.), 4729-4734. https://doi.org/10.1016/j.jnoncrysol.2006.05.029