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AFM and Optical Investigations of Liquid Crystal Dewetting : Influence of Short and Long-Range Forces

Title data

Fery, Andreas ; Herminghaus, Stephan ; Ibn-Elhaj, Mohammed:
AFM and Optical Investigations of Liquid Crystal Dewetting : Influence of Short and Long-Range Forces.
In: Molecular Crystals and Liquid Crystals Science and Technology. Section A. Molecular Crystals and Liquid Crystals. Vol. 330 (August 1999) Issue 1 . - pp. 267-276.
ISSN 1563-5287
DOI: https://doi.org/10.1080/10587259908025601

Official URL: Volltext

Abstract in another language

We have investigated the dewetting morphology of thin films of the liquid crystals 5AB 4 and 5AB 3, from a silicon substrate. For 5AB 4, nucleation and spinodal dewetting can be clearly identified, and from scanning force microscopy of the liquid profiles, details of the effective interface potential can be quantitatively inferred. Due to peculiarities of the wetting forces in this system, the analogy to spinodal decomposition is particularly close. With 5AB 3, an additional, rather complicated dewetting scenario is observed which is connected to the crystallization of droplets which have formed during the initial dewetting process.

Further data

Item Type: Article in a journal
Refereed: Yes
Institutions of the University: Faculties > Faculty of Biology, Chemistry and Earth Sciences
Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Chemistry
Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Chemistry > Former Professors > Chair Physical Chemistry II - Univ.-Prof. Dr. Andreas Fery
Faculties
Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Chemistry > Chair Physical Chemistry II
Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Chemistry > Former Professors
Result of work at the UBT: No
DDC Subjects: 500 Science > 500 Natural sciences
500 Science > 530 Physics
500 Science > 540 Chemistry
Date Deposited: 03 Dec 2014 07:13
Last Modified: 12 Feb 2019 10:03
URI: https://eref.uni-bayreuth.de/id/eprint/4059