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File:Liquid Crystal Phase Transition.jpg

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Captions

Captions

Thermally induced phase transition of a liquid crystal from a transparent state to birefringent state.

Summary

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Description
English: Magnified 100 times, a drop of liquid crystal was dispensed onto a glass plate and a cover slip placed on top. The liquid crystal spreads out into a uniform film under the weight of the cover slip. The image was captured using a microscope configured for crossed polarised light. The colours come about because liquid crystal is birefringent - it changes the polarisation state of the plane-polarised light passing through it. Now, the sort of labyrinthine pattern is caused by a phase transition. The liquid crystal sample is placed on a heat stage and at a particular temperature called the phase transition temperature, the liquid crystal changes from an opaque state to a transparent state, this is the transition front. The image width is about 2mm.
Date
Source Own work
Author KarlGaff

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Date/TimeThumbnailDimensionsUserComment
current12:51, 5 November 2025Thumbnail for version as of 12:51, 5 November 20251,920 × 1,281 (2.75 MB)KarlGaff (talk | contribs)Uploaded own work with UploadWizard

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