Video/animation icon  Phase transformation from an isotropic liquid to a nematic liquid crystal (20x magnification, 3x speed)

 
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Resource type: Video/animation
Description: Phase transformation when an isotropic liquid changes to a nematic liquid crystal (magnification 20x, speed 3x). As the temperature decreases the coloured liquid crystalline phase begins to nucleate at various random points across the slide. Darker regions are visible where the director is aligned with either the polariser or the analyser. From TLP: Liquid Crystals, http://www.doitpoms.ac.uk/tlplib/liquid_crystals/phase_transitions.php
Keywords: liquid crystals • phase transformation
Categories: Science approaches
Science approaches > Structure, bonding & defects
Science approaches > Phase transformations
Testing, analysis & experimentation
Created by: DoITPoMS, University of Cambridge
Published by: DoITPoMS, University of Cambridge
License: This resource is released under the Creative Commons Attribution Non-Commercial Share Alike license (2.0 UK: England & Wales).
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Date created: 14 August 2007
Date added: 02 December 2009
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Resource ID: 2411