Search Results - "Sadashiva, B. K."

An Orientational Transition of Bent-Core Molecules in an Anisotropic Matrix by Pratibha, R., Madhusudana, N. V., Sadashiva, B. K.

“…We report the discovery of an orientational transition of bent-core molecules in a background anisotropic medium, in this case a smectic liquid crystal made of…”
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Novel Ferroelectric and Antiferroelectric Smectic and Columnar Mesophases in Fluorinated Symmetrical Bent-Core Compounds by Reddy, R. Amaranatha, Raghunathan, V. A, Sadashiva, B. K

“…We report the synthesis and mesomorphic properties of new bent-core (BC) mesogens exhibiting novel antiferroelectric switching columnar phases with rectangular…”
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Novel zigzag-shaped compounds exhibiting apolar columnar mesophases with oblique and rectangular lattices by Radhika, S., Monika, M., Sadashiva, B. K., Roy, A.

“…The design, synthesis and characterisation of some compounds whose constituent molecules have a completely new shape have been carried out. A total of eight…”
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The influence of lateral substituents on the occurrence of a transition between two polar smectic phases with antiferroelectric properties by Radhika, S., Keshava Murthy, R.N., Sadashiva, B.K., Pratibha, R.

“…The synthesis and mesomorphic properties of two homologous series of bent-core (BC) compounds derived from 2,7-dihydroxynaphthalene are reported. The two…”
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Occurrence of a transition between two polar orthogonal smectic phases in a new homologous series of novel bent-core compounds by Radhika, S., Sadashiva, B. K., Pratibha, R.

“…Two new homologous series of isomeric achiral five-ring bent-core compounds containing 3,4-disubstituted biphenyl moiety have been synthesised and the…”
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Influence of fluorine substituent on the mesomorphic properties of five-ring ester banana-shaped molecules by Amaranatha Reddy, R., Sadashiva, B. K.

“…The synthesis and characterization of more than a hundred achiral compounds composed of banana-shaped molecules and belonging to eleven different homologous…”
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Two distinct modulated layer structures of an asymmetric bent-shape smectic liquid crystal by Zhang, Cuiyu, Diorio, Nicholas, Radhika, S., Sadashiva, B.K., Sprunt, Samuel N., Jákli, Antal

“…We present chemical synthesis, polarising optical microscopy, electric current, and small-angle X-ray scattering measurements on a strongly anisotropic…”
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Apolar novel mesogenic symmetric dimers composed of five-ring bent-core monomeric units by Radhika, S., Sadashiva, B.K., Raghunathan, V.A.

“…The synthesis and mesomorphic properties of parts of six different series of symmetric dimers composed of five-ring bent-core monomeric units have been…”
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Anticlinic smectic C phase in new and novel five-ring hockey stick-shaped compounds by Radhika, S., Srinivasa, H.T., Sadashiva, B.K.

“…The synthesis of a new homologous series of novel five-ring compounds composed of hockey stick-shaped molecules derived from 4-hydroxybiphenyl-3-carboxylic…”
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Banana-Shaped Mesogens Derived from 2,7-Dihydroxynaphthalene and 1,3-Dihydroxybenzene:  Novel Columnar Mesophases by Reddy, R. Amaranatha, Sadashiva, B. K, Raghunathan, V. A

“…The synthesis and mesomorphic properties of a number of compounds belonging to different homologous series and derived from 2,7-dihydroxynaphthalene are…”
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Stripes in biaxial smectic-A liquid crystals arising from spontaneous surface charge modulation by Pratibha, R, Madhusudana, N. V, Sadashiva, B. K

“…We report the discovery of a periodic stripe pattern consisting of alternate domains of uniaxial and biaxial smectic-A phases when a binary mixture made of…”
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A polar biaxial smectic A phase in new unsymmetrical compounds composed of bent-core molecules by Shreenivasa Murthy, H. N., Sadashiva, B. K.

“…The synthesis and liquid crystalline properties of several new compounds unsymmetrically substituted about two different central phenyl rings are reported. All…”
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Alignment of liquid crystals using Langmuir‒Blodgett films of unsymmetrical bent-core liquid crystals by Choudhary, Keerti, Gupta, R. K., Pratibha, R., Sadashiva, B. K., Manjuladevi, V.

“…The properties of the thin films of liquid crystal (LC) molecules can be governed easily by external fields. The anisotropic structure of the LC molecules has…”
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Occurrence of the B 7 mesophase in two homologous series of seven-ring achiral compounds composed of banana-shaped molecules by Reddy, R. Amaranatha, Sadashiva, B. K.

“…The synthesis and mesomorphic behaviour of twenty compounds belonging to two new series of seven-ring esters derived from 2-cyanoresorcinol are reported. Many…”
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Electric-field-induced switchable dark conglomerate phases in a bent-core liquid crystal exhibiting reverse columnar phases by Deepa, G B, Radhika, S, Sadashiva, B K, Pratibha, R

“…Electric-field-induced transitions into switchable dark conglomerate (DC) phases from two types of reverse columnar mesophases have been observed in the…”
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Polar columnar and lamellar mesophases in homologous bent-core compounds derived from methyl 3,5-dihydroxybenzoate by Umadevi, S., Radhika, S., Sadashiva, B. K.

“…The synthesis and mesomorphic properties of the first three homologous series of symmetrical seven-ring bent-core compounds derived from methyl…”
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Liquid crystalline properties and dependence of transition temperatures on the length of the flexible alkylene spacer of symmetric dimers composed of bent-core units by Umadevi, S., Sadashiva, B. K.

“…Three new series of symmetric dimers composed of bent-core molecules connected by a flexible alkylene spacer have been synthesized and their mesomorphic…”
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Molecular structure and chiral liquid crystalline phases by Sadashiva, B K

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Novel Five-Ring Bent-Core Compounds Exhibiting a Transition from the Electro-optically Nonswitchable to a Switchable B7 Phase by Umadevi, S, Sadashiva, B. K

“…Two homologous series of achiral five-ring bent-core compounds derived from 2-cyano- or 2-nitro-resorcinol having terminal n-alkyl carboxylate groups have been…”
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Alternating twist structures formed by electroconvection in the nematic phase of an achiral bent-core molecule by Tanaka, Shingo, Dhara, Surajit, Sadashiva, B K, Shimbo, Yoshio, Takanishi, Yoichi, Araoka, Fumito, Ishikawa, Ken, Takezoe, Hideo

“…We report an unusual electroconvection in the nematic phase of a bent-core liquid crystal. In a voltage-frequency diagram, two frequency regions exhibiting…”
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