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Titolo:
Mechanical rotor-bearing model for liquid crystal systems
Autore:
Xu, J; Onnagawa, H; Toriyama, K; Okada, O; Sugimori, S;
Indirizzi:
Sci Univ Tokyo, LCI, Yamaguchi 7560884, Japan Sci Univ Tokyo Yamaguchi Japan 7560884 yo, LCI, Yamaguchi 7560884, Japan Toyama Univ, Fac Engn, Toyama 9308555, Japan Toyama Univ Toyama Japan 9308555 a Univ, Fac Engn, Toyama 9308555, Japan Saitama Coll, Fac Informat Technol, Kazo, Saitama 3478503, Japan Saitama Coll Kazo Saitama Japan 3478503 nol, Kazo, Saitama 3478503, Japan Toyama Natl Coll Technol, Toyama 9398630, Japan Toyama Natl Coll Technol Toyama Japan 9398630 nol, Toyama 9398630, Japan
Titolo Testata:
MOLECULAR CRYSTALS AND LIQUID CRYSTALS
, volume: 366, anno: 2001,
pagine: 1977 - 1994
Fonte:
ISI
Lingua:
ENG
Soggetto:
TRANSITION-TEMPERATURES;
Keywords:
liquid crystal; moment of inertia; thermal stability; rotor-bearing model;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Physical, Chemical & Earth Sciences
Citazioni:
14
Recensione:
Indirizzi per estratti:
Indirizzo: Xu, J Sci Univ Tokyo, LCI, 1-1-1 Daigaku Dori, Yamaguchi 7560884, Japan Sci Univ Tokyo 1-1-1 Daigaku Dori Yamaguchi Japan 7560884 84, Japan
Citazione:
J. Xu et al., "Mechanical rotor-bearing model for liquid crystal systems", MOLEC CRYST, 366, 2001, pp. 1977-1994

Abstract

The liquid crystal phases are postulated as a mechanical rotor-bearing system in which liquid crystal molecular core and terminals are estimated as the rotor and axes, respectively, the terminals also function as molecular rotors in the subsequent layers. Some general rules are proposed that relatephase stability to molecular structures and the mechanical rotor-bearing model is applied to explain the phase behaviors. Phenomena of the thermal stability of phase and phase transition are explained in terms of basic mechanical and dynamical parameters: center of gravity, eccentricity, moment of inertia and mass distribution. Fluorination effects on liquid crystallinityare explained in a uniform manner by mechanical and dynamical basis. Moreover, we have also examined interesting liquid crystalline systems such as liquid crystal oligomers. Characteristic thermal behaviors are correlated tothe molecular structures and their mechanical or dynamical parameters to complete validity of the model proposed.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 11/07/20 alle ore 03:54:40