[PDF]    http://dx.doi.org/10.3952/physics.v56i4.3417

Open access article / Atviros prieigos straipsnis

Lith. J. Phys. 56, 207–216 (2016)


LIQUID CRYSTALLINE MATERIAL EXHIBITING MULTIPLE PHASE TRANSITIONS: MORPHOLOGIC PROPERTIES AND OPTICAL TRANSMISSION
Arif Nesrullajev
Laboratory of Liquid and Solid Crystals, Department of Physics, Faculty of Natural Sciences, Mugla Sitki Koçman University, 48000 Kotekli Mugla, Turkey
E-mail: arifnesr@mu.edu.tr

Received 21 March 2016; revised 23 May 2016; accepted 21 June 2016

Morphologic and thermo-optical properties of liquid crystalline material exhibiting multiple phase transitions were investigated in this work. Investigations were carried out for both the direct (by heating) and the reverse (by cooling) phase transitions. Thermo-morphologic properties of the heterophase regions of phase transitions were investigated. Temperature dependences of the optical transmission were studied, the mean optical density of crystalline state, smectic C, smectic A and nematic mesophases was estimated, temperature widths of the heterophase regions of crystalsmectic C, smectic Csmectic A, smectic Anematic and nematicisotropic liquid phase transitions were determined with high accuracy.
Keywords: liquid crystals, texture, multiple phase transitions, optical transmission, heterophase regions
PACS: 42.25.Lc, 42.70.Df, 64.70.M-

DAUGYBINIAIS FAZINIAIS VIRSMAIS PASIŽYMINTI SKYSTŲJŲ KRISTALŲ MEDŽIAGA: MORFOLOGINĖS SAVYBĖS IR OPTINIS PRALAIDUMAS

Arif Nesrullajev
Mugla Sitki Koçman universitetas, Kotekli Mugla, Turkija


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