Electric-field-induced deformation of a chiral liquid-crystal elastomer in smectic A phase

Yuki Aburaya; Yang Ho Na; Hiroshi Orihara; Kazuyuki Hiraoka

Korea-Australia Rheology Journal, Vol.24, No.2, 83-88, June, 2012

DOI10.1007/s13367-012-0009-y Export Citation

Electric-field-induced deformation of a chiral liquid-crystal elastomer in smectic A phase

Yuki Aburaya, Yang Ho Na^†, Hiroshi Orihara, and Kazuyuki Hiraoka¹

Division of Applied Physics, Faculty of Engineering, Hokkaido University, North 13 West 8, Kita-ku, Sapporo 060-8628, Japan
¹Department of Life Science & Sustainable Chemistry, Tokyo Polytechnic University, 1583 Iiyama, Atsugi 243-0297, Japan

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Mechanical response to electrical stimulus has been investigated in a chiral smectic A elastomer. During the application of electric field, the two-dimensional strain tensor was precisely measured by tracking fluorescent beads dispersed on the film. It was found that the shear strain is dominantly induced by the electric field and proportional to the applied electric field.

Keywords:liquid crystal elastomer;chirality;smectic phase;electrical actuation

[References]

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Na YH, Aburaya Y, Orihara H, Hiraoka K, Physical Review E., 83, 061709 (2011)
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[1] Adams JM, Warner M, Stenull O, Lubensky TC, Physical Review E., 78, 011703 (2008)

[2] Finkelmann H, Kock HJ, Rehage G, Makromolekulare Chemie-Rapid Communications., 2, 317 (1981)

[3] Garoff S, Meyer RB, Physical Review Letters., 38, 848 (1977)

[4] Hiraoka K, Finkelmann H, Macromol. Rapid Commun., 22(6), 456 (2001)

[5] Hiraoka K, Sagano W, Nose T, Finkelmann H, Macromolecules, 38(17), 7352 (2005)

[6] Hiraoka K, Tagawa N, Baba K, Macromolecular Chemistry and Physics., 209, 298 (2008)

[7] Hiraoka K, Kobayasi M, Kazama R, Finkelmann H, Macromolecules, 42(15), 5600 (2009)

[8] Hiraoka K, Kishimoto T, Karo M, Tashiro T, Liquid Crystals., 38, 489 (2011)

[9] Kohler R, Stannarius R, Tolksdorf C, Zentel R, Applied Physics A: Materials Science & Processing., 80, 381 (2005)

[10] Kupfe, J, Finkelmann H, Makromolekulare Chemie-Rapid Communications., 12, 717 (1991)

[11] Lehmann W, Skupin H, Tolksdorf C, Gebhard E, Zentel R, Kruger P, Losche M, Kremer F, Nature, 410(6827), 447 (2001)

[12] Na YH, Aburaya Y, Orihara H, Hiraoka K, Physical Review E., 83, 061709 (2011)

[13] Spillmann CM, Spillmann M, Ratna BR, Naciri J, Applied Physics Letters., 90, 021911 (2007)

[14] Urayama K, Macromolecules, 40(7), 2277 (2007)

[15] Warner M, Terentjev EM, 2007, Liquid crystal elastomers (2nd Ed), Oxford University Press.