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| Title: | Transfer of the in-plane molecular orientation of polyimide film surface to liquid crystal monolayer |
| Authors: | Usami, Kiyoaki
Sakamoto, Kenji
Uehara, Yoichi
Ushioda, Sukekatsu |
| Issue Date: | 2005-05-17 |
| Publisher: | AMERICAN INSTITUTE OF PHYSICS |
| Magazine name: | Applied Physics Letters |
| Volume: | 86 |
| Number: | 21 |
| Start page: | 211906-1 |
| End page: | 211906-3 |
| DOI: | 10.1063/1.1937988 |
| Abstract: | We have determined the relationship between the in-plane molecular orientations of a polyimide film and the liquid crystal (LC) monolayer in contact with it. A photoaligned film of polyimide, containing azobenzene in the backbone structure, was used, because its in-plane molecular order can be varied over a wide range without change in the morphology and the chemical nature of the film surface. The in-plane order parameter of the LC molecule was found to be almost equal to that of the polyimide backbone structure. This result shows that the molecular alignment of the LC monolayer is mainly induced by a short-range interaction between the LC and polyimide molecules. |
| Rights: | Copyright 2005 American Institute of Physics. This article may be downloaded for personal use only. Any other use requires prior permission of the author and the American Institute of Physics. The following article appeared in Usami, K., Sakamoto, K., Uehara, Y., Ushioda, S., Applied Physics Letters 86(21), 211906 (2005) and may be found at http://link.aip.org/link/?APPLAB/86/211906/1 . |
| URI: | http://hdl.handle.net/10119/4161 |
| Material Type: | publisher |
| Appears in Collections: | i10-1. 雑誌掲載論文 (Journal Articles)
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