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J. Sib. Fed. Univ. Math. Phys., 2009, Volume 2, Issue 3, Pages 352–359 (Mi jsfu82)  

This article is cited in 4 scientific papers (total in 4 papers)

Thermo-Induced Transformations of Director Configuration within Nematic Droplets Dispersed in Polyvinylpyrrolidone

Vitaly S. Sutormina, Mikhail N. Krakhalevb, Oxana O. Prishchepab

a Institute of Engineering Physics and Radioelectronics, Siberian Federal University, Krasnoyarsk, Russia
b L. V. Kirensky Institute of Physics, Siberian Branch of the Russian Academy of Sciences, Krasnoyarsk, Russia

Abstract: The transformations of the director configuration within the nematic droplets induced by temperature modification of boundary conditions have been studied. Nematic liquid crystal 5CB (4-n-penthyl-4'-cyanobiphenyl) doped with lecithin and dispersed in polyvinylpyrrolidone has been tested. As was shown, under heating the boundary conditions are changed from planar to homeotropic. It results in transformation of the director configuration in the nematic droplets. The inverse modification of the surface anchoring from homeotropic to planar has been observed at cooling. In both cases the transformations of orientational structure may occur in two different scenarios.

Keywords: polymer dispersed liquid crystals, nematic, surfactant, interface, surface anchoring, director configuration.

Full text: PDF file (245 kB)
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UDC: 532.783
Received: 27.03.2009
Received in revised form: 20.05.2009
Accepted: 10.06.2009

Citation: Vitaly S. Sutormin, Mikhail N. Krakhalev, Oxana O. Prishchepa, “Thermo-Induced Transformations of Director Configuration within Nematic Droplets Dispersed in Polyvinylpyrrolidone”, J. Sib. Fed. Univ. Math. Phys., 2:3 (2009), 352–359

Citation in format AMSBIB
\Bibitem{SutKraPri09}
\by Vitaly~S.~Sutormin, Mikhail~N.~Krakhalev, Oxana~O.~Prishchepa
\paper Thermo-Induced Transformations of Director Configuration within Nematic Droplets Dispersed in Polyvinylpyrrolidone
\jour J. Sib. Fed. Univ. Math. Phys.
\yr 2009
\vol 2
\issue 3
\pages 352--359
\mathnet{http://mi.mathnet.ru/jsfu82}


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    Citing articles on Google Scholar: Russian citations, English citations
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    This publication is cited in the following articles:
    1. Oksana O. Prischepa, Aleksandr V. Shabanov, Viktor Ya. Zyryanov, “Mnogoobrazie orientatsionnykh struktur v kaplyakh nematicheskikh zhidkikh kristallov i ikh opticheskie tekstury”, Zhurn. SFU. Ser. Matem. i fiz., 3:3 (2010), 395–406  mathnet
    2. Timirov Yu.I., Skaldin O.A., Gareeva E.R., “Orientation Transition Induced by a Chiral Dopant in Nematic-Cholesteric Droplets”, Tech. Phys. Lett., 39:1 (2013), 116–119  crossref  adsnasa  isi  elib  scopus
    3. Sadovskii V.M., Sadovskaya O.V., “On the Acoustic Approximation of Thermomechanical Description of a Liquid Crystal”, Phys. Mesomech., 16:4 (2013), 312–318  crossref  isi  elib  scopus
    4. Sadovskii V., Sadovskaya O., “Acoustic Approximation of the Governing Equations of Liquid Crystals Under Weak Thermomechanical and Electrostatic Perturbations”, Advances in Mechanics of Microstructured Media and Structures, Advanced Structured Materials, 87, eds. DellIsola F., Eremeyev V., Porubov A., Springer, 2018, 297–341  crossref  mathscinet  isi  scopus
  • Журнал Сибирского федерального университета. Серия "Математика и физика"
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