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13 papers · 1 filter
X-ray diffraction from smectic multilayers: crossover from kinematical to dynamical regime
V. V. Samsonov, K. V. Nikolaev, B. I. Ostrovskii +1
We study X-ray diffraction in smectic liquid crystal multilayers. Such systems are fabricated as freely suspended films and have a unique layered structure. As such, they can be de…
Circulating Marangoni flows within droplets in smectic films
E. S. Pikina, M. A. Shishkin, K. S. Kolegov +2
We present theoretical study and numerical simulation of Marangoni convection within ellipsoidal isotropic droplets embedded in free standing smectic films (FSSF). The thermocapill…
Dynamics of capillary coalescence and breakup: quasi-two-dimensional nematic and isotropic droplets
P. V. Dolganov, A. S. Zverev, K. D. Baklanova +1
For the first time we observed formation of small satellite droplets from the bridge at droplet coalescence. Investigations were made using a Hele-Shaw cell in the two-phase region…
Two-stage Seebeck effect in charged colloidal suspensions
Ioulia Chikina, Sawako Nakamae, Valeriy Shikin +1
We discuss the peculiarities of the Seebeck effect in stabilized electrolytes containing the colloidal particles. Its unusual feature is the two-stage character, with the linear in…
Synchrotron X-Ray Reflectivity Study of the Adsorption Film of Octadecanamide at the Toluene-Water Interface
Aleksey M. Tikhonov, Yurii O. Volkov
The structure of an adsorption octadecanamide film at the planar toluene-water interface is studied by X-ray reflectometry using synchrotron radiation with photon energy of 15 keV.…
Angular x-ray cross-correlation analysis (AXCCA): Basic concepts and recent applications to soft matter and nanomaterials
Ivan A. Zaluzhnyy, Ruslan P. Kurta, Marcus Scheele +3
Angular x-ray cross-correlation analysis (AXCCA) is a technique which allows quantitative measurement of the angular anisotropy of x-ray diffraction patterns and provides insights…