File:Fingerprint texture of a liquid crystal resembling Van Gogh's style.png
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[edit]DescriptionFingerprint texture of a liquid crystal resembling Van Gogh's style.png |
English: The enclosed picture represents a texture of a thermotropic liquid crystal compound, which belongs to the family of fluoro-substituted esters with three phenyl rings. The compound, apart from crystal and isotropic, exhibits both ferro- and antiferroelectric SmC* phases. Texture observation was done using NIKON Eclipse polarizing microscope with LINKAM hot stage. Picture was taken during the cooling process of liquid crystalline sample in the ITO electrooptic cell with polymer (SE610) homogenous layer (strong rubbing applied) under constant influence of external electric field (sinusoidal wave, 100 Hz, 32 V per micrometer) in the vicinity of phase transition from antiferroelectric Smectic C* phase to crystal. What is astonishing and attractive in this image is a direct manifestation of liquid crystal beauty and emergence. One can see that this "fingerprint like" texture with its dizzying array of navy blue and orange shades recalls a famous painting made by Vincent Van Gogh called "The Starry Night" (source: http://www.moma.org/collection/works/79802 - Museum of Modern Arts). As a curiosity, it can be added that "The Starry Night" was painted a year after the discovery of liquid crystal phase. The image was taken using equipment from the laboratory of the Department of Advanced Materials Engineering (Marian Smoluchowski Insitute of Physics, Jagiellonian University in Kraków). |
Date | |
Source | Own work |
Author | Wojciech Tomczyk |
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This image was uploaded as part of Wiki Science Competition 2017. |
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current | 10:40, 30 November 2017 | 2,560 × 1,920 (12.1 MB) | ATomek (talk | contribs) | User created page with UploadWizard |
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