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Calorimetric Studies of Liquid Crystal Phase Transitions: Steady State Adiabatic Techniques

  • J. Thoen
Part of the NATO ASI Series book series (NSSB, volume 290)

Abstract

During the last couple of decades calorimetric investigations have contributed substantially to the better understanding of phase transitions in general and of phase transitions in liquid crystals in particular. Although differential scanning calorimetry (DSC) is an important general characterisation tool, detailed thermal information near liquid crystal phase transitions is, however, mainly obtained with high-resolution adiabatic and ac calorimetric techniques. High-resolution ac calorimetry is described in Ref.1. Here we concentrate on results obtained by means of adiabatic methods. Special emphasis will be given to the possibility to distinguish, with some adiabatic scanning calorimetric techniques, between first-order and second-order phase transitions and obtain quantitative results for the true latent heat, when present.

Keywords

Latent Heat Critical Exponent Specific Heat Capacity Nematic Phase Isotropic Phase 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer Science+Business Media New York 1992

Authors and Affiliations

  • J. Thoen
    • 1
  1. 1.Laboratorium voor Akoestiek en Warmtegeleiding, Departement NatuurkundeKatholieke Universiteit LeuvenLeuvenBelgium

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