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Optical study of the interface between the lyotropic
L3 (sponge) phase and solid substrate
Nastishin Yu.A., Dovhyi O.B., *Kostruba A.M.
Institute of Physical Optics, 23 Dragomanov Str., 79005,
L’viv, Ukraine
*L'viv Academy of Commerce 9 Samtshuk Str., 79011, L’viv,
Ukraine
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Investigations of the magnetic field induced linear and circular birefringence
in the antiferromagnetic magnetoeleclric crystal LiCoPO4 were
performed. A step-like change at H~20 kOe accompanied by magnetic hysteresis
possessing high-field long tail was revealed. The behaviour of induced
birefringence points to the magnetic field induced spin-reorientation phase
transition to a non-collinear incommensurate structure.
Key words: liquid crystal, lyotropic system, sponge L3
phase, surfactant, reflection ellipsometry, total internal reflection,
surface ordering
doi: 10.3116/16091833/1/2/96/2000 |
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