Optical Characterization of a Nanoscale Incommensurate Pitch in a New Liquid-Crystal Phase


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Phys. Rev. Lett. 91, 125502.pdf

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Please use this identifier to cite or link to this item:http://hdl.handle.net/2115/50768

Title:	Optical Characterization of a Nanoscale Incommensurate Pitch in a New Liquid-Crystal Phase
Authors:	Cady, A. Browse this author
	Han, X. Browse this author
	Olson, D. Browse this author
	Orihara, Hiroshi Browse this author
	Huang, C. Browse this author
Keywords:	Liquid crystals
	Soft-condensed matter
	Smectic-Cα* phase
Issue Date:	Sep-2003
Publisher:	APS
Journal Title:	Physical Review Letters
Volume:	91
Issue:	12
Start Page:	125502-1
End Page:	125502-4
Publisher DOI:	10.1103/PhysRevLett.91.125502
Abstract:	As a remarkable orientationally ordered soft-condensed matter system, the smectic-Cα* phase exhibits an incommensurate nanoscale helical pitch of more than four smectic layers. Recent theoretical advances predict the existence of a new phase showing a helical pitch of less than four smectic layers (<16 nm). By applying a novel optical technique to the study of freestanding films with increments in thickness of one smectic layer, we have measured the size of this pitch using 633 nm HeNe laser light. Our results confirm the existence of the newly predicted phase in one unique compound.
Rights:	© 2003 American Physical Society
Relation:	http://prl.aps.org/
Type:	article
URI:	http://hdl.handle.net/2115/50768
Appears in Collections:	工学院・工学研究院 (Graduate School of Engineering / Faculty of Engineering) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 折原宏

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