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Electric-field-induced shape transition of nematic tactoids

Abstract:

The occurrence of new textures of liquid crystals is an important factor in tuning their optical and photonics properties. Here, we show, both experimentally and by numerical computation, that under an electric field chitin tactoids (i.e. nematic droplets) can stretch to aspect ratios of more than 15, leading to a transition from a spindle-like to a cigar-like shape. We argue that the large extensions occur because the elastic contribution to the free energy is dominated by the anchoring. We ...

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Publication status:
Published
Peer review status:
Peer review
Version:
Accepted manuscript

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Publisher copy:
10.1103/PhysRevE.96.022706

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Department:
Oxford, MPLS, Physics, Theoretical Physics
Antonova, K More by this author
Belamie, E More by this author
Davidson, P More by this author
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French National Research Agency More from this funder
Publisher:
American Physical Society Publisher's website
Journal:
Physical Review E Journal website
Volume:
96
Pages:
022706
Publication date:
2017-08-05
Acceptance date:
2017-07-10
DOI:
EISSN:
2470-0053
ISSN:
2470-0045
Pubs id:
pubs:724381
URN:
uri:3995f25d-89d2-4d14-9f89-d8bd84081844
UUID:
uuid:3995f25d-89d2-4d14-9f89-d8bd84081844
Local pid:
pubs:724381

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