Ultra-short helix pitch and spiral ordering in cholesteric liquid crystal revealed by resonant soft X-ray scattering

Author:

Smekhova Alevtina1ORCID,Novotná Vladimíra2ORCID,Fekete Ladislav2,Abrudan Radu1,Fondell Mattis1ORCID,Hamplová Věra2,Ostrovskii Boris I.34

Affiliation:

1. Helmholtz-Zentrum Berlin für Materialien und Energie, Berlin 12489, Germany

2. Institute of Physics of the Czech Academy of Sciences, Prague 8, Czech Republic

3. Federal Scientific Research Center “Crystallography and photonics”, Russian Academy of Sciences, 119333 Moscow, Russia

4. Institute of Solid State Physics, Russian Academy of Sciences, 142432 Chernogolovka, Russia

Abstract

An ultra-short helix pitch of 104 nm was revealed by anomalous soft X-ray scattering at the carbon K edge and AFM technique in a room temperature cholesteric liquid crystal with a lactate unit in a molecular chain.

Funder

H2020 Research Infrastructures

Russian Science Foundation

Bundesministerium für Bildung und Forschung

Ministerstvo Školství, Mládeže a Tělovýchovy

Publisher

Royal Society of Chemistry (RSC)

Subject

Condensed Matter Physics,General Chemistry

Reference39 articles.

1. P.Oswald and P.Pieranski , Nematic and Cholesteric Liquid Crystals: Concepts and Physical Properties Illustrated by Experiments , Taylor & Francis , New York , 2006

2. Chirality in Liquid Crystals , ed. H. Kitzerow and C. Bahr , Springer-Verlag , New York , 2001

3. Physics of liquid crystals of bent-shaped molecules

4. Cholesteric Liquid Crystal Materials for Tunable Diffractive Optics

5. L. M.Blinov and V. G.Chigrinov , Electrooptic effects in liquid crystal materials , Springer , New York , 1994

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