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- Homeotropic_alignment abstract "In liquid crystals, homeotropic alignment is one of the ways of alignment of liquid crystalline molecules. Homeotropic alignment is the state in which a rod-like liquid crystalline molecule aligns perpendicularly to the substrate. In the polydomain state, the parts also are called homeotropic domains. In contrast, the state in which the molecule aligns to a substance in parallel is called homogeneous alignment.There are various other ways of alignment in liquid crystals. Because homeotropic alignment is not anisotropy optically, a dark field is observed between crossed polarizers in polarizing optical microscopy. By conoscope observation, however, a cross image is observed in the homeotropic alignments. Homeotropic alignment often appears in the smectic A phase (SA).In discotic liquid crystals homeotropic alignment is defined as the state in which an axis of the column structure, which is formed by disc-like liquid crystalline molecules, aligns perpendicularly to a substance. In other words, this alignment looks like a state in which columns formed by piled-up coins are arranged in an orderly way on a table.In practice, the homeotropic alignment is usually achieved by surfactants and detergent for example lecithin, some esilanes or some special polyimide (PI 1211). Generally liquid crystals align homeotropically at an air or glass interface.".
- Homeotropic_alignment wikiPageID "2073632".
- Homeotropic_alignment wikiPageRevisionID "532080903".
- Homeotropic_alignment auto "yes".
- Homeotropic_alignment date "December 2009".
- Homeotropic_alignment hasPhotoCollection Homeotropic_alignment.
- Homeotropic_alignment subject Category:Crystallography.
- Homeotropic_alignment subject Category:Liquid_crystals.
- Homeotropic_alignment type Fluid114939445.
- Homeotropic_alignment type Liquid114940100.
- Homeotropic_alignment type LiquidCrystal114941087.
- Homeotropic_alignment type LiquidCrystals.
- Homeotropic_alignment type Matter100020827.
- Homeotropic_alignment type PhysicalEntity100001930.
- Homeotropic_alignment comment "In liquid crystals, homeotropic alignment is one of the ways of alignment of liquid crystalline molecules. Homeotropic alignment is the state in which a rod-like liquid crystalline molecule aligns perpendicularly to the substrate. In the polydomain state, the parts also are called homeotropic domains. In contrast, the state in which the molecule aligns to a substance in parallel is called homogeneous alignment.There are various other ways of alignment in liquid crystals.".
- Homeotropic_alignment label "Homeotropic alignment".
- Homeotropic_alignment sameAs m.06k9r0.
- Homeotropic_alignment sameAs Q17030602.
- Homeotropic_alignment sameAs Q17030602.
- Homeotropic_alignment sameAs Homeotropic_alignment.
- Homeotropic_alignment wasDerivedFrom Homeotropic_alignment?oldid=532080903.
- Homeotropic_alignment isPrimaryTopicOf Homeotropic_alignment.