Communication

A Photoinduced Spin Transition Iron(II) Complex with Liquid-Crystal Properties†

  1. S. Hayami,
  2. K. Danjobara1,
  3. K. Inoue2,
  4. Y. Ogawa3,
  5. N. Matsumoto3,
  6. Y. Maeda

Article first published online: 17 JUN 2004

DOI: 10.1002/adma.200306632

Issue

Advanced Materials

Advanced Materials

Volume 16, Issue 11, pages 869–872, June, 2004

Additional Information

How to Cite

Hayami, S., Danjobara, K., Inoue, K., Ogawa, Y., Matsumoto, N. and Maeda, Y. (2004), A Photoinduced Spin Transition Iron(II) Complex with Liquid-Crystal Properties. Adv. Mater., 16: 869–872. doi: 10.1002/adma.200306632

Author Information

  1. 1

    Department of Chemistry, Graduate School of Sciences, Kyushu University, 6-10-1 Hakozaki, Higashi-ku, Fukuoka 812-8581, Japan

  2. 2

    Institute for Molecular Science, Myodaiji, Okazaki 444-8585, Japan

  3. 3

    Department of Chemistry, Faculty of Science, Kumamoto University, 2-39-1 Kurokami, Kumamoto 860-8555, Japan

  1. †

    This work was supported by Casio Foundation and Tokuyama Foundation.

Publication History

  1. Issue published online: 17 JUN 2004
  2. Article first published online: 17 JUN 2004
  3. Manuscript Accepted: 22 MAR 2004
  4. Manuscript Received: 16 DEC 2003

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Keywords:

  • Liquid crystals (LC);
  • Magnetic fields;
  • Paramagnetism;
  • Photoinduced alignment

The iron(II) complex [Fe(3C16-L)2(NCS)2] (see Figure) exhibits three coexisting physical properties due to its geometric flexibility. It shows liquid-crystal behavior in the temperature range 345–400 K, spin-crossover behavior (T1/2 = 217 K) between high-spin and low-spin states, and photoinduced spin transition (T(LIESST; light-induced excited spin state trapping) = 61 K) from a low-spin state to a metastable high-spin state.

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