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Observation of the soft mode in the Sm-Cα*phase

Bourny, V. and Fajar, A. and Orihara, H. (2000) Observation of the soft mode in the Sm-Cα*phase. Physical Review E, 62 (5). R5903-R5906. ISSN 1063-651X

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Abstract

We have performed the electro-optical measurements in an antiferroelectric liquid crystal 4-(1-methylheptyloxycarbonyl)phenyl 4(')-octylcarbonyloxybiphenyl-4-carboxylate (MHPOCBC) and observed the soft mode in the chiral Sm-C(*)(alpha) phase. This is a direct consequence that the Sm-C(*)(alpha) phase is induced by the condensation of a tilting mode. A Landau-type theory was developed to analyze frequency dispersions in the second-order response and it was found that the Sm-A-Sm-C(*)(alpha) phase transition is close to a tricritical point.

Item Type: Article
Subjects: Daur Bahan Bakar Nuklir dan Bahan Maju > Bahan Struktur dan Bahan Maju > Teknik Sintesis Bahan Maju
Divisions: Pusat Sains dan Teknologi Bahan Maju
Depositing User: EDITOR PSTBM BATAN
Date Deposited: 01 Dec 2018 11:57
Last Modified: 01 Dec 2018 11:57
URI: http://repo-nkm.batan.go.id/id/eprint/7267

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