Mechanism of electrically induced photonic band gap broadening in polymer stabilized cholesteric liquid crystals with negative dielectric anisotropies.
Nemati H, Liu S, Zola RS, Tondiglia VP, Lee KM, White T, Bunning T, Yang DK. Mechanism of electrically induced photonic band gap broadening in polymer stabilized cholesteric liquid crystals with negative dielectric anisotropies. Soft Matter. 2015 Feb 14; 11(6):1208-13.