Effects of conjugation of mesogenic core of nematic liquid crystals for polar anchoring energy and surface order parameter on rubbed polyimide films

Dae Shik Seo, Norihiro Yoshida, Shunsuke Kobayashi, Michinori Nlshikawa, Yoshikazu Yabe

Research output: Contribution to journalArticle

27 Citations (Scopus)

Abstract

We have studied the effects of the mesogenic core of nematic liquid crystals (NLCs) for polar anchoring energy and the surface order parameter on rubbed polyimide (Pi) films. The order of polar anchoring energy for NLCs on rubbed PI films is 5CB>PCH5>CCH5. This order is the same for all rubbing strengths investigated. From the above results, we conclude that the polar anchoring energy strongly depends on the polarizability of the NLCs. The surface order parameter for NLCs is 5CB >PCH5 >CCH5 on rubbed PI films which was imidized at 250°C. Finally, we suggest that the polar anchoring energy for NLCs on rubbed PI films is strongly related to the surface order parameter.

Original languageEnglish
Pages (from-to)L1174-L1177
JournalJapanese Journal of Applied Physics
Volume33
Issue number8
DOIs
Publication statusPublished - 1994 Jan 1

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Nematic liquid crystals
conjugation
polyimides
Polyimides
liquid crystals
energy

All Science Journal Classification (ASJC) codes

  • Engineering(all)
  • Physics and Astronomy(all)
  • Physics and Astronomy (miscellaneous)

Cite this

Seo, Dae Shik ; Yoshida, Norihiro ; Kobayashi, Shunsuke ; Nlshikawa, Michinori ; Yabe, Yoshikazu. / Effects of conjugation of mesogenic core of nematic liquid crystals for polar anchoring energy and surface order parameter on rubbed polyimide films. In: Japanese Journal of Applied Physics. 1994 ; Vol. 33, No. 8. pp. L1174-L1177.
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Effects of conjugation of mesogenic core of nematic liquid crystals for polar anchoring energy and surface order parameter on rubbed polyimide films. / Seo, Dae Shik; Yoshida, Norihiro; Kobayashi, Shunsuke; Nlshikawa, Michinori; Yabe, Yoshikazu.

In: Japanese Journal of Applied Physics, Vol. 33, No. 8, 01.01.1994, p. L1174-L1177.

Research output: Contribution to journalArticle

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T1 - Effects of conjugation of mesogenic core of nematic liquid crystals for polar anchoring energy and surface order parameter on rubbed polyimide films

AU - Seo, Dae Shik

AU - Yoshida, Norihiro

AU - Kobayashi, Shunsuke

AU - Nlshikawa, Michinori

AU - Yabe, Yoshikazu

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AB - We have studied the effects of the mesogenic core of nematic liquid crystals (NLCs) for polar anchoring energy and the surface order parameter on rubbed polyimide (Pi) films. The order of polar anchoring energy for NLCs on rubbed PI films is 5CB>PCH5>CCH5. This order is the same for all rubbing strengths investigated. From the above results, we conclude that the polar anchoring energy strongly depends on the polarizability of the NLCs. The surface order parameter for NLCs is 5CB >PCH5 >CCH5 on rubbed PI films which was imidized at 250°C. Finally, we suggest that the polar anchoring energy for NLCs on rubbed PI films is strongly related to the surface order parameter.

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