Journal
LIQUID CRYSTALS
Volume 43, Issue 5, Pages 688-693Publisher
TAYLOR & FRANCIS LTD
DOI: 10.1080/02678292.2016.1139199
Keywords
liquid crystals; electrical treatment; Monodomain; blue phase
Funding
- Flemish agency for Innovation by Science and Technology (IWT) [120019]
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We demonstrate a new successful technique for inducing a monodomain in blue phase (BP) liquid crystals (BPLCs). By application of an AC voltage during the cooling or heating of the material into the BP temperature range, a fairly homogeneous BP area was obtained, compared to the case without voltage. We determined that applying a voltage of 3.3V/mu m was very effective in terms of obtaining a monodomain: for four of the seven different applied cooling/heating rates an area ratio of more than 99% was obtained for one particular BP orientation. This study describes a successful and replicable technique to make a BPLC monodomain, which is important for the development of BPLCs and other applications.
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