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Titolo:
MEASUREMENTS OF THE AZIMUTHAL ANCHORING ENERGY OF A NEMATIC LIQUID-CRYSTAL (5CB) ALIGNED ON AS-STACKED POLYIMIDE LANGMUIR-BLODGETT-FILMS
Autore:
ISHIZAKI A; ABE H; ANDO N; IIMURA Y; KOBAYASHI S;
Indirizzi:
MITSUBISHI ELECTR CORP,CONTROL & POWER SYST WORKD,HYOUGO KU,1-1-2 WADASAKI KOBE HYOGO 652 JAPAN TOKYO UNIV AGR & TECHNOL,FAC TECHNOL,DIV ELECT & INFORMAT ENGN KOGANEI TOKYO 184 JAPAN
Titolo Testata:
Molecular crystals and liquid crystals science and technology. Section A, Molecular crystals and liquid crystals
, volume: 258, anno: 1995,
pagine: 277 - 283
SICI:
1058-725X(1995)258:<277:MOTAAE>2.0.ZU;2-A
Fonte:
ISI
Lingua:
ENG
Soggetto:
SURFACE; STRENGTH;
Keywords:
LIQUID CRYSTAL; AZIMUTHAL ANCHORING; POLYIMIDE; LANGMUIR-BLODGETT FILM; ONE SIDE RUBBING CELL;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Science Citation Index Expanded
Citazioni:
8
Recensione:
Indirizzi per estratti:
Citazione:
A. Ishizaki et al., "MEASUREMENTS OF THE AZIMUTHAL ANCHORING ENERGY OF A NEMATIC LIQUID-CRYSTAL (5CB) ALIGNED ON AS-STACKED POLYIMIDE LANGMUIR-BLODGETT-FILMS", Molecular crystals and liquid crystals science and technology. Section A, Molecular crystals and liquid crystals, 258, 1995, pp. 277-283

Abstract

We have proposed a new optical method for measuring the twist angle of twisted nematic cells. The method is applied to estimate the azimuthal anchoring energy of a nematic liquid crystal 5CB aligned on the as-stacked polyimide Langmuir-Blodgett (PI-LB) films. The measured valuesof the anchoring energies are shown to range from 2 x 10(-6) J/m(2) to 1 x 10(-5) J/m(2), which depend on the LB deposition conditions and show the optimum condition for the deposition. The values of the azimuthal anchoring energy are known to be one or two orders of magnitude lower than the corresponding polar anchoring energy.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 23/01/21 alle ore 02:01:41