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Nonlinear Electrooptical Measurements in the Smectic-Cα*Phase

Fajar, Andika and Bourny, Valéry and Orihara, Hiroshi (2003) Nonlinear Electrooptical Measurements in the Smectic-Cα*Phase. Japanese Journal of Applied Physics, 42 (Part 1). pp. 182-185. ISSN 0021-4922

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We performed electrooptical measurements in the smectic-Calpha* (SmCalpha*) phase of the antiferroelectric liquid crystal, 4-(1-methyl-heptyloxycarbonyl)phenyl 4-octylcarbonyloxybiphenyl-4-carboxylate (MHPOCBC), and showed that the frequency dispersion of the second-order electrooptic response strongly depends on the angle between the polarizer and the layer normal while that of the linear response does not. Usually in the SmCalpha* phase we can observe both the amplitude mode and the ferroelectric mode by second-order electrooptic spectroscopy. In a particular experimental condition, we succeeded in suppressing the ferroelectric mode contribution in the frequency dispersion spectrum and clearly observed only the amplitude mode. The results were discussed and analyzed on the basis of the phenomenological theory.

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
Date Deposited: 01 Dec 2018 11:56
Last Modified: 01 Dec 2018 11:56
URI: http://repo-nkm.batan.go.id/id/eprint/7258

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