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LATTICE ELASTICITY OF BLUE PHASES IN CHOLESTERIC LIQUID CRYSTALS
- Authors: Chizhikov V.A.1,2, Mamonova A.V.1,3, Dmitrienko V.E.1,3
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Affiliations:
- Shubnikov Institute of Crystallography of the Kurchatov Complex of Crystallography and Photonics of the National Research Center "Kurchatov Institute"
- MIREA - Russian Technological University (Institute of Radio Electronics and Informatics)
- Osipyan Institute of Solid State Physics of the Russian Academy of Sciences
- Issue: Vol 166, No 6 (2024)
- Pages: 900-909
- Section: STATISTICAL AND NONLINEAR PHYSICS, PHYSICS OF "SOFT" MATTER
- URL: https://journals.rcsi.science/0044-4510/article/view/274804
- DOI: https://doi.org/10.31857/S0044451024120137
- ID: 274804
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Abstract
New theoretical approaches have been developed for studying and quantitatively describing the elastic properties of cubic blue phases in cholesteric liquid crystals. Within the framework of the Landau–de Gennes theory, using the simplest blue phase O5 with spatial group (I432) as an example calculations of the bulk modulus and two shear moduli were performed depending on the chirality strength and temperature below the crystallization point from isotropic liquid. It is shown that the used approximations of rigid tensors and free helicoids give qualitatively similar results but differ noticeably quantitatively, therefore further experimental studies and numerical modeling of blue phase elasticity are necessary.
About the authors
V. A. Chizhikov
Shubnikov Institute of Crystallography of the Kurchatov Complex of Crystallography and Photonics of the National Research Center "Kurchatov Institute"; MIREA - Russian Technological University (Institute of Radio Electronics and Informatics)
Email: chizhikov@crys.ras.ru
Russian Federation, Moscow, 119333; Moscow, 119454
A. V. Mamonova
Shubnikov Institute of Crystallography of the Kurchatov Complex of Crystallography and Photonics of the National Research Center "Kurchatov Institute"; Osipyan Institute of Solid State Physics of the Russian Academy of Sciences
Email: dmitrien@crys.ras.ru
Russian Federation, Moscow, 119333; Chernogolovka, Moscow Region, 142432
V. E. Dmitrienko
Shubnikov Institute of Crystallography of the Kurchatov Complex of Crystallography and Photonics of the National Research Center "Kurchatov Institute"; Osipyan Institute of Solid State Physics of the Russian Academy of Sciences
Author for correspondence.
Email: dmitrien@crys.ras.ru
Russian Federation, Moscow, 119333; Chernogolovka, Moscow Region, 142432
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