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Proceedings Paper

Dielectric response of the B2 phase
Author(s): Heiko Schmalfuss; Wolfgang Weissflog; Anton Hauser; Horst Kresse
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Paper Abstract

A compound consisting of banana-shaped molecules was synthesized and well purified. The sample shows the B2 phase which was characterized by dielectric spectroscopy. Two relaxation ranges were detected. The high frequency one, related to the reorientation about the long molecular axis, was observed in the isotropic phase, too. The increments point to a strong positive dipole correlation in the B2 state. There are arguments that low frequency mechanism can not be connected with the reorientation about the short molecular axis. AFM-investigations give no hints to a super- structure. Therefore, this absorption was related to a collective response of ferroelectric clusters.

Paper Details

Date Published: 12 May 2000
PDF: 5 pages
Proc. SPIE 4147, Liquid Crystals: Chemistry, Physics, and Applications, (12 May 2000); doi: 10.1117/12.385667
Show Author Affiliations
Heiko Schmalfuss, Martin-Luther-Univ. Halle-Wittenberg (Germany)
Wolfgang Weissflog, Martin-Luther-Univ. Halle-Wittenberg (Germany)
Anton Hauser, Martin-Luther-Univ. Halle-Wittenberg (Germany)
Horst Kresse, Martin-Luther-Univ. Halle-Wittenberg (Germany)


Published in SPIE Proceedings Vol. 4147:
Liquid Crystals: Chemistry, Physics, and Applications
Stanislaw J. Klosowicz; Jolanta Rutkowska; Jerzy Zielinski; Jozef Zmija, Editor(s)

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