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Microscopic investigation of the memory effect found in micropatterned nematic liquid crystal cells.
Phys Rev E Stat Nonlin Soft Matter Phys
; 76(3 Pt 1): 031705, 2007 Sep.
Artículo
en Inglés
| MEDLINE
| ID: mdl-17930261
RESUMEN
Isotropic untreated indium-tin-oxide layers can cause memory alignment of nematic liquid crystals. We have demonstrated an experimental method to characterize this effect by using a micropatterned surface. We tried to imprint a high tilt on an indium-tin-oxide substrate surface. We also investigated microscopic switching behavior of a memory-induced nematic liquid crystal cell by means of a vertical field effect.