Twist-bend heliconical chiral nematic liquid crystal phase of an achiral rigid bent-core mesogen

D Chen, M Nakata, R Shao, MR Tuchband, M Shuai… - Physical Review E, 2014 - APS
The chiral, heliconical (twist-bend) nematic ground state is reported in an achiral, rigid, bent-
core mesogen (UD68). Similar to the nematic twist-bend (N TB) phase observed in bent …

Liquid crystal functionalization of electrospun polymer fibers

DK Kim, M Hwang… - Journal of Polymer Science …, 2013 - Wiley Online Library
ABSTRACT A recently introduced new branch of applied polymer science is the production
of highly functional and responsive fiber mats by means of electrospinning polymers that …

Statistical mechanics of bend flexoelectricity and the twist-bend phase in bent-core liquid crystals

SM Shamid, S Dhakal, JV Selinger - … Review E—Statistical, Nonlinear, and Soft …, 2013 - APS
We develop a Landau theory for bend flexoelectricity in liquid crystals of bent-core
molecules. In the nematic phase of the model, the bend flexoelectric coefficient increases as …

Bistable polymer-stabilized cholesteric-liquid-crystal window based on flexoelectric and dielectric effects

Z Zhou, X Zhang, S Halder, L Hu, DK Yang - Physical Review Applied, 2024 - APS
Smart switchable windows for buildings and vehicles become more and more important
because they can reduce energy consumption. They exhibit two optically contrasting states …

Elastic constants and orientational viscosities of a bent-core nematic liquid crystal

M Majumdar, P Salamon, A Jákli, JT Gleeson… - Physical Review E …, 2011 - APS
Using a combination of dynamic light scattering and Freedericksz transitions induced in
applied magnetic and electric fields, we have determined the absolute magnitudes of the …

Splay bend elasticity of a bent-core nematic liquid crystal

P Sathyanarayana, M Mathew, Q Li, VSS Sastry… - Physical Review E …, 2010 - APS
We measured the splay (K 11) and bend (K 33) elastic constants in the nematic phase of a
bent-core liquid crystal. In the vicinity of the nematic-isotropic transition temperature K 33 is …

Intrinsic bending flexoelectric constants in two-dimensional materials

X Zhuang, B He, B Javvaji, HS Park - Physical Review B, 2019 - APS
Flexoelectricity is a form of electromechanical coupling that has recently emerged because,
unlike piezoelectricity, it is theoretically possible in any dielectric material. Two-dimensional …

Thermodynamically stable blue phases

F Castles, SM Morris, EM Terentjev, HJ Coles - Physical review letters, 2010 - APS
We show theoretically that flexoelectricity stabilizes blue phases in chiral liquid crystals.
Induced internal polarization reduces the elastic energy cost of splay and bend deformations …

Understanding the distinctive elastic constants in an oxadiazole bent-core nematic liquid crystal

S Kaur, J Addis, C Greco, A Ferrarini, V Görtz… - Physical Review E …, 2012 - APS
The splay and bend elastic constants of the bent-core oxadiazole material [C5-Ph-ODBP-Ph-
OC12] have been investigated as a function of temperature across the nematic phase. The …

Magnetic-field induced isotropic to nematic liquid crystal phase transition

T Ostapenko, DB Wiant, SN Sprunt, A Jákli… - Physical review letters, 2008 - APS
We report on measurements of magnetic-field induced nematic order in the bent-core liquid
crystal<? format?> 4-chlororesorcinol bis [4-(4-n-dodecyloxybenzoyloxy) benzoate]. Using …