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http://hdl.handle.net/2289/2291
Title: | Phase transitions in novel disulphide-bridged alkoxycyanobiphenyl dimers |
Authors: | Pal, Santanu Kumar Raghunathan, V.A. Kumar, Sandeep |
Issue Date: | Feb-2007 |
Publisher: | Taylor & Francis |
Citation: | Liquid Crystals, 2007, Vol.34, p135-141 |
Abstract: | The synthesis, characterization and mesomorphic properties of the first examples of novel disulphide-bridged alkoxycyanobiphenyl dimers are reported. The thermal behaviour of these mesogens was investigated by polarizing optical microscopy, differential scanning calorimetry and X-ray diffractometry. The dimers with a shorter spacer exhibit only the nematic phase while dimers with a longer spacer display nematic as well as smectic phases. X-ray diffraction experiments reveal the intercalated structure of the SmA phase of these dimers and the presence of short range SmA-like order in the N phase (cybotactic nematic) of all the compounds, except the one with the shortest spacer. |
Description: | Restricted Access. |
URI: | http://hdl.handle.net/2289/2291 |
ISSN: | 0267-8292 1366-5855 (online) |
Alternative Location: | http://dx.doi.org/10.1080/02678290601061280 |
Copyright: | 2007 Taylor & Francis |
Appears in Collections: | Research Papers (SCM) |
Files in This Item:
File | Description | Size | Format | |
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2007 LC V34 p135-141.pdf Restricted Access | Restricted Access | 520.2 kB | Adobe PDF | View/Open Request a copy |
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