2014
DOI: 10.2478/s11772-014-0182-2
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Silicon oxides as alignment surfaces for vertically-aligned nematics in photonic devices

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Cited by 8 publications
(15 citation statements)
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“…[14] There is a preferential growing direction, corresponding to the evaporation direction. [15] A thorough morphology of SiO 2 and SiOx has been presented in [4]. Figure 3 shows the alignment for Sunset Yellow and Cromolyn liquid crystals in SiO 2 as a function of evaporation angle.…”
Section: Liquid Crystal Alignment In Siomentioning
confidence: 99%
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“…[14] There is a preferential growing direction, corresponding to the evaporation direction. [15] A thorough morphology of SiO 2 and SiOx has been presented in [4]. Figure 3 shows the alignment for Sunset Yellow and Cromolyn liquid crystals in SiO 2 as a function of evaporation angle.…”
Section: Liquid Crystal Alignment In Siomentioning
confidence: 99%
“…[1][2][3] Surface morphology of the alignment layers has a direct influence on liquid crystal arrangement, both in thermotropic and lyotropic liquid crystals. In a previous publication, [4] a comparison between surface characteristics of thin non-stoichiometric silicon oxide (SiOx) and silica (SiO 2 ) layers, deposited at various evaporation angles, has been presented, along with their effect on thermotropic liquid crystal alignment. The selected deposition angle is a crucial factor that determines the morphology of the layer, which has a direct influence on the liquid crystal molecular arrangement near the surfaces, ultimately becoming a decisive control parameter for the final liquid crystal alignment.…”
Section: Introductionmentioning
confidence: 99%
“…La componente polar de las moléculas que los forman se adhiere al vidrio colocando estas moléculas de tal forma que la interacción entre ellas y el CL provoca el alineamiento homeotrópico. Sin embargo también se ha observado alineamiento homeotrópico empleando compuestos inorgánicos [116], tales como SiO x y SiO 2 [117] …”
Section: Anclaje Del CL a Las Superficies Condiciones De Alineamientounclassified
“…De esta forma se podrán detectar cambios en la orientación hacia la posición vertical u horizontal. Para obtener este ángulo de pretilt la plataforma se inclina 84° respecto a la horizontal [117]. La presión máxima para evaporar este tipo de material está alrededor de 4·10 -6 torr.…”
Section: Deposición De Las Capas De Alineamientounclassified
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