Longer-terminal-chain-sensitive phase structures in mixtures and nonsymmetric molecules of bent-core mesogens

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作者：
Nishida, Koushi [1 ]
Kim, Won Jeon [2 ]
Lee, Seng Kue [2 ]
Heo, Sung [2 ]
Lee, Jong Gun [2 ]
Kang, Kyung-Tae [2 ]
Takanishi, Yoichi [1 ]
Ishikawa, Ken [1 ]
Watanabe, Junji [1 ]
Takezoe, Hideo [1 ]
机构：
[1] Department of Organic and Polymeric Materials, Tokyo Institute of Technology, O-okayama, Meguro-ku, Tokyo 152-8552, Japan
[2] Department of Chemistry and Chemistry, Institute for Functional Materials, Pusan National University, Pusan, 609-735, Korea, Republic of
来源：
Japanese Journal of Applied Physics, Part 2: Letters | 2006年 / 45卷 / 8-11期
关键词：
Odd-even behavior for the emergence of ferroelectricity and antiferroelectricity has been examined in bent-core compounds containing two different chain lengths; i.e; 1: 1 mixtures of neighboring homologues of symmetric bent-core mesogens and nonsymmetric pure compounds. The odd-even behavior was found to be very strictly held for longer terminal chains: longer terminal chains play an important role in determining the polar structure. Namely; the ferroelectric state emerges when the carbon number n of the longer chain is even; whereas the antiferroelectric state emerges for odd n. © 2006 The Japan Society of Applied Physics;
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