NDLI: Force Microscopy of Chiral Liquid-Crystal Surfaces

Content Provider	Scilit
Author	Terris, B. D. Twieg, R. J. Nguyen, C. Sigaud, G. Nguyen, H. T.
Copyright Year	1992
Description	Journal: Europhysics Letters The free surface of chiral liquid crystals has been observed by optical and scanning force microscopy. In a narrow temperature region near the smectic A* to cholesteric (or isotropic) transition, a unique periodic surface undulation is observed. Both the period and depth are seen to be temperature dependent, though their ratio is approximately constant. This structure appears to be related to the chiral nature of the molecules and may be a result of competing alignment forces, analogous to that predicted by de Gennes and Bouligand.
Related Links	http://iopscience.iop.org/article/10.1209/0295-5075/19/2/005/pdf
Ending Page	90
Page Count	6
Starting Page	85
ISSN	02955075
e-ISSN	12864854
DOI	10.1209/0295-5075/19/2/005
Journal	Europhysics Letters
Issue Number	2
Volume Number	19
Language	English
Publisher	IOP Publishing
Publisher Date	1992-05-15
Access Restriction	Open
Subject Keyword	Journal: Europhysics Letters Atomic, Molecular and Chemical Physics Liquid Crystal Free Surface
Content Type	Text
Resource Type	Article
Subject	Physics and Astronomy

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Force Microscopy of Chiral Liquid-Crystal Surfaces