Zobrazeno 1 - 10
of 88
pro vyhledávání: '"Ostrovskii, B. I."'
We study theoretically internal flows in a small oblate droplet suspended on the circular frame. Marangoni convection arises due to a vertical temperature gradient across the drop and is driven by the surface tension variations at the free drop inter
Externí odkaz:
http://arxiv.org/abs/2304.14512
Publikováno v:
Phys. Rev. E v. 106, No. 5, 055105 (2022)
We present theoretical study and numerical simulation of Marangoni convection within ellipsoidal isotropic droplets embedded in free standing smectic films (FSSF). The thermocapillary flows are analyzed for both isotropic droplets spontaneously forme
Externí odkaz:
http://arxiv.org/abs/2207.02652
Autor:
Zaluzhnyy, I. A., Kurta, R. P., Sulyanova, E. A., Gorobtsov, O. Yu., Shabalin, A. G., Zozulya, A. V., Menushenkov, A. P., Sprung, M., Krowczynski, A., Gorecka, E., Ostrovskii, B. I., Vartanyants, I. A.
We report on X-ray studies of freely suspended hexatic films of three different liquid crystal compounds. By applying angular X-ray cross-correlation analysis (XCCA) to the measured diffraction patterns the parameters of the bond-orientational (BO) o
Externí odkaz:
http://arxiv.org/abs/1703.01198
X-ray diffraction studies of the bond-orientational order in the hexatic-B phase of 75OBC and 3(10)OBC compounds are presented. The temperature evolution of an angular profile of a single diffraction peak is analyzed. Close to the hexatic-B-smectic-A
Externí odkaz:
http://arxiv.org/abs/1610.01919
Publikováno v:
Phys. Rev. E 94, 030701 (2016)
An x-ray scattering approach to determine the two-dimensional (2D) pair distribution function (PDF) in partially ordered 2D systems is proposed. We derive relations between the structure factor and PDF that enable quantitative studies of positional a
Externí odkaz:
http://arxiv.org/abs/1605.06542
Spatially resolved x-ray studies of liquid crystals with strongly developed bond-orientational order
Autor:
Zaluzhnyy, I. A., Kurta, R. P., Sulyanova, E. A., Gorobtsov, O. Y., Shabalin, A. G., Zozulya, A. V., Menushenkov, A. P., Sprung, M., Ostrovskii, B. I., Vartanyants, I. A.
Publikováno v:
Phys. Rev. E 91, 042506 (2015)
We present an x-ray study of freely suspended hexatic films of the liquid crystal 3(10)OBC. Our results reveal spatial inhomogeneities of the bond-orientational (BO) order in the vicinity of the hexatic-smectic phase transition and the formation of l
Externí odkaz:
http://arxiv.org/abs/1411.6991
Autor:
Kurta, R. P., Ostrovskii, B. I., Singer, A., Gorobtsov, O. Y., Shabalin, A., Dzhigaev, D., Yefanov, O. M., Zozulya, A. V., Sprung, M., Vartanyants, I. A.
Publikováno v:
Phys. Rev. E Brief Reports v. 88, 044501 (2013)
We present an x-ray study of liquid crystal membranes in the vicinity of hexatic-smectic phase transition by means of angular x-ray cross-correlation analysis (XCCA). By applying two-point angular intensity cross-correlation functions to the measured
Externí odkaz:
http://arxiv.org/abs/1308.3170
Akademický článek
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Autor:
Ostrovskii, B. I.1 ostrenator@gmail.com, Sulyanov, S. N.1, Boiko, N. A.2, Shibaev, V. P.2, Astaf’ev, S. B.1, Yanusova, L. G.1, de Jeu, W. H.3
Publikováno v:
European Physical Journal E -- Soft Matter. Nov2013, Vol. 36 Issue 11, p1-11. 11p.
Autor:
Muresan, A. S.1, Ostrovskii, B. I.1,2, Sánchez-Ferrer, A.3, Finkelmann, H.3, De Jeu, W. H.1 dejeu@amolf.nl
Publikováno v:
European Physical Journal E -- Soft Matter. Apr2006, Vol. 19 Issue 4, p385-388. 4p. 3 Diagrams, 1 Chart, 1 Graph.