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Related papers: Mesophase behaviour of binary mixtures of bent-cor…

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Liquid-liquid equilibrium (LLE) phase diagrams have been determined, by means of the critical opalescence method with a laser scattering technique, for the mixtures 4-phenylbutan-2-one + CH$_3$(CH$_2$)$_n$CH$_3$ ($n = 10,12,14$) and for…

The phase diagram of the prototype antiferroelectric liquid crystal MHPOBC in dependence of enantiomeric excess was measured. It was shown that the SmCbeta phase in very pure samples is the SmCFI2 phase with a four layer structure, and only…

Soft Condensed Matter · Physics 2007-05-23 E. Gorecka , D. Pociecha , M. Cepic , B. Zeks , R. Dabrowski

The nanostructure of two novel sulfur containing dimer materials has been investigated experimentally by hard and by resonant tender X-ray scattering techniques. On cooling the dimers through the nematic to twist-bend nematic (N-NTB) phase…

Soft Condensed Matter · Physics 2020-11-20 Rony Saha , Chenrun Feng , Chris Welch , Georg H. Mehl , Jun Feng , Chenhui Zhu , James Gleeson , Samuel Sprunt , Antal Jakli

We formulate a simple Landau type model describing macroscopic behaviour recently discovered new smectic phases composed of achiral bent-shaped molecules. Films of such smectics exhibit three types of ordering related to dipole…

Soft Condensed Matter · Physics 2007-05-23 E. I. Kats , J. Lajzerowicz

We report the nematic and smectic ordering in a new aqueous suspension of monolayer $\alpha$-Zirconium phosphate platelets possessing a high polydispersity in diameter but uniform thickness. We observe an isotropic--nematic transition as…

Soft Condensed Matter · Physics 2015-05-14 Dazhi Sun , Hung-Jue Sue , Zhengdong Cheng , Yuri Martinez-Raton , Enrique Velasco

We study the symmetry and the spatial uniformity of orientational order of the biaxial nematic phase in the light of recent experimental observations of phase biaxiality in thermotropic bent-core and calamitic-tetramer nematics. We present…

Soft Condensed Matter · Physics 2010-04-15 Stavros D. Peroukidis , Panagiota K. Karahaliou , Alexandros G. Vanakaras , D. J. Photinos

The influence of the shape anisotropy of magnetic particles on the isotropic-nematic phase transition was studied in ferronematics based on the nematic liquid crystal 4-(trans-4-n-hexylcyclohexyl)-isothiocyanato-benzene (6CHBT). The liquid…

Soft Condensed Matter · Physics 2014-09-08 V. Gdovinová , N. Tomašovičová , N. Éber , T. Tóth-Katona , V. Závišová , M. Timko , P. Kopčanský

Swimming bacteria in passive nematics in the form of lyotropic liquid crystals are defined as a new class of active matter known as living liquid crystals in recent studies. It has also been shown that liquid crystal solutions are promising…

Soft Condensed Matter · Physics 2021-09-01 Pranay Bimal Sampat , Shradha Mishra

Orientational dynamics in the isotropic phase of a comb-shaped nematic polymer with mesogenic and functional side groups was studied using the Kerr effect and dielectric spectroscopy. For the first time, it was found that in a mesogenic…

Soft Condensed Matter · Physics 2019-12-24 V. B. Rogozhin , S. G. Polushin , I. E. Lezova , G. E. Polushina , E. I. Ryumtsev , N. A. Nikonorova

The understanding of self-organization in the twist-bend nematic $(N_\text{TB})$ phase, identified in 2011 in liquid crystal dimers, is at the forefront of soft matter research worldwide. This new nematic phase develops structural chirality…

Soft Condensed Matter · Physics 2020-10-27 Lech Longa , Wojciech Tomczyk

Multiferroic particulate composites have been fabricated by taking the morphotropic phase boundary composition of ferroelectric phase Bi(Ni1/2Ti1/2)O3-PbTiO3 and magnetic phase (Ni,Zn)Fe2O4. The ferroelectric phase has coexisting monoclinic…

Materials Science · Physics 2018-08-06 Rishikesh Pandey , Uma Shankar , Sher Singh Meena , Akhilesh Kumar Singh

We report on a comprehensive computer simulation study of the liquid-crystal phase behaviour of purely repulsive, semi-flexible rod-like particles. For the four aspect ratios we consider, the particles form five distinct phases depending on…

Soft Condensed Matter · Physics 2018-01-17 Bart de Braaf , Mariana Oshima Menegon , Stefan Paquay , Paul van der Schoot

Multiferroic bismuth ferrite Bi_2Fe_4O_9 (BFO) ceramic was synthesized by conventional solid state reaction route. X-ray diffraction and Rietveld refinement show formation of single phase ceramic with orthorhombic crystal structure (space…

Materials Science · Physics 2016-05-06 S. R. Mohapatra , B. Sahu , T. Badapanda , M. S. Pattanaik , S. D. Kaushik , A. K. Singh

Molecular dynamics simulations are utilized to study the melting transition in pentane (C5H12) and heptane (C7H16), physisorbed onto the basal plane of graphite at near-monolayer coverages. Through use of the newest, optimized version of…

Materials Science · Physics 2009-11-11 Cary L. Pint

Only a few years have passed since discovery of polar nematics, and now they are becoming the most actively studied liquid crystal materials. Despite numerous breakthrough findings made recently, a theoretical systematization is still…

Soft Condensed Matter · Physics 2023-09-28 A. V. Emelyanenko , V. Yu. Rudyak , F. Araoka , H. Nishikawa , K. Ishikawa

We extend our previous work on monolayers of uniaxial particles [J. Chem. Phys. 140, 204906 (2014)] to study the effect of particle biaxiality on the phase behavior of liquid-crystal monolayers. Particles are modelled as board-like hard…

Soft Condensed Matter · Physics 2015-06-23 Miguel Gonzalez-Pinto , Yuri Martinez-Raton , Enrique Velasco , Szabolcs Varga

Motivated by the search for quantum liquid crystal phases in a gas of ultracold atoms and molecules, we study the density wave and nematic instabilities of dipolar fermions on the two-dimensional square lattice (in the $x-y$ plane) with…

Quantum Gases · Physics 2015-03-13 Chungwei Lin , Erhai Zhao , W. Vincent Liu

Blue phase liquid crystal (BPLC) has important applications in adaptive lenses and phase modulators due to its polarization-independent property. During our efforts for development of the new materials, we found a novel phenomenology of…

Optics · Physics 2015-10-29 Prasenjit Nayek , Sebastian Gauza , Guoqiang Li

Poly(ethylene oxide)-$\textit{b}$-poly(butylmethacrylate) (PEO-$\textit{b}$-PBMA) copolymers have recently been identified as excellent building blocks for the synthesis of hierarchical nanoporous materials. Nevertheless, while experiments…

Soft Condensed Matter · Physics 2021-06-01 Gerardo Campos-Villalobos , Flor R. Siperstein , Arvin Charles , Alessandro Patti

Nematic phase is the most fundamental mesophase exhibited by most of the rod shaped anisotropic liquid crystalline molecules. Nematics are orientationally ordered fluids whose average orientation direction can be manipulated on application…

Soft Condensed Matter · Physics 2015-07-21 Jitendra Kumar , Raj K Gupta , Sandeep Kumar , V. Manjuladevi
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