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Instantaneous mapping of liquid crystal orientation using a polychromatic polarizing microscope
Mojtaba Rajabi, Oleg Lavrentovich, Michael Shribak
Polarizing microscopy brought about many advancements in the science of liquid crystals and other soft materials, including those of biological origin. Recent developments in optic…
Toroidal nuclei of columnar lyotropic chromonic liquid crystals coexisting with isotropic phase
Runa Koizumi, Dmitry Golovaty, Ali Alqarni +4
Nuclei of ordered materials emerging from the isotropic state usually show a shape topologically equivalent to a sphere; the well-known examples are crystals and nematic liquid cry…
Soliton walls paired by polar surface interactions in a ferroelectric nematic liquid crystal
Bijaya Basnet, Mojtaba Rajabi, Hao Wang +5
Surface interactions are responsible for many properties of condensed matter, ranging from crystal faceting to the kinetics of phase transitions. Usually, these interactions are po…
In-situ measurements of twist and bend elastic constants in oblique helicoidal cholesteric
Olena S. Iadlovska, Kamal Thapa, Mojtaba Rajabi +2
Unique electro-optical properties of the oblique helicoidal cholesteric (ChOH) stem from its heliconical director structure. An applied electric field preserves the single harmonic…