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Comparative Dielectric Investigations on Nematic Liquid Crystals with Aerosil

✍ Scribed by Dr. rer. nat. S. Tschierske; Dr. O. V. Yaroshchuk; Dr.; Prof. H. Kresse

Publisher
John Wiley and Sons
Year
1995
Tongue
English
Weight
257 KB
Volume
30
Category
Article
ISSN
0232-1300

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✦ Synopsis

Dielectric measurements on a nematic room temperature mixture and the mixture with 20% aerosil were carried out. Addition of aerosil results in a small increase of the clearing temperature and in increasing relaxation frequency for the reorientation around the short molecular axis. The results are interpreted as orientation effect of the nematic sample at the fractal aerosil.

Dielektrische Messungen an einer nematischen Raumtemperaturmischung und der Mischung mit 20% Aerosil wurden durchgefuhrt. Die Zugabe von Aerosil fiihrt zu einem geringen Anstieg der Klartemperatur und steigende Relaxationsfrequenzen fur die Reorientierung um die kurze Molekulachse. Die Ergebnisse werden als Orientierungseffekt der nematischen Probe am fractalen Aerosil interpretiert.

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