Marino, Antigone and Santamato, Enrico and Abbate, Giancarlo (2009) Ellipsometric study of vertically aligned liquid crystals. [Pubblicazione in rivista scientifica]

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Tipologia del documento: Pubblicazione in rivista scientifica
Lingua: English
Titolo: Ellipsometric study of vertically aligned liquid crystals
Autori:
AutoreEmail
Marino, Antigone[non definito]
Santamato, Enrico[non definito]
Abbate, Giancarlo[non definito]
Autore/i: A. Marino, E. Santamato, N. Bennis, X. Quintana, J. M. Otón, V. Tkachenko, G. Abbate
Data: 2009
Numero di pagine: 3
Dipartimento: Scienze fisiche
Numero identificativo: 10.1063/1.3064131
Titolo del periodico: APPLIED PHYSICS LETTERS
Data: 2009
Volume: 39
Intervallo di pagine: 013508-1-013508-3
Numero di pagine: 3
Parole chiave: cristalli liquidi, fotonica
Numero identificativo: 10.1063/1.3064131
Depositato il: 21 Ott 2010 06:57
Ultima modifica: 30 Apr 2014 19:43
URI: http://www.fedoa.unina.it/id/eprint/7659

Abstract

The director tilt angle distribution in vertically aligned nematic liquid crystal displays has been investigated by means of variable angle spectroscopic ellipsometry. Liquid crystal vertical alignment has been realized by thermal evaporation of SiOx. By changing the deposition angle, it is possible to control the pretilt angle. The director profile inside the sample was inferred by reflection and transmission ellipsometric measurements. The tilt angle distribution inside the cell versus the applied voltage is reported and eventually, comparing it with the simulations from the elastic theory, the anchoring energy has been obtained.

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