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Introduction

  • Ger Vertogen
  • Wim H. de Jeu
Part of the Springer Series in Chemical Physics book series (CHEMICAL, volume 45)

Abstract

In this chapter we shall begin by describing the basic features that distinguish the liquid crystalline phases from the other condensed phases. The essential characteristic is the presence of orientational order of the non-spherical molecules, while in addition the positional order of the centres of mass is either absent (nematic phases) or reduced (smectic and columnar phases). Next the types of molecules leading to these phases are discussed, and typical examples will be given. Finally we shall review some of the experimental methods that are commonly used to test the liquid crystalline properties of a compound.

Keywords

Liquid Crystal Nematic Liquid Crystal Nematic Phase Liquid Crystalline Phasis Orientational Order 
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-Verlag Berlin Heidelberg 1988

Authors and Affiliations

  • Ger Vertogen
    • 1
  • Wim H. de Jeu
    • 2
    • 3
  1. 1.Institute for Theoretical PhysicsCatholic UniversityToernooiveldThe Netherlands
  2. 2.Open UniversityHeerlenThe Netherlands
  3. 3.FOM-Institute for Atomic and Molecular PhysicsAmsterdamThe Netherlands

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