Spin crossover characteristics of nanofibrous FeII-1,2,4-triazole complexes in liquid crystals

Keita Kuroiwa; Hirotsugu Kikuchi; Nobuo Kimizuka

doi:10.1039/B920631K

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Spin crossover characteristics of nanofibrous Fe^II-1,2,4-triazole complexes in liquid crystals†

Keita Kuroiwa,^a Hirotsugu Kikuchi^b and Nobuo Kimizuka*^a

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* Corresponding authors

^a Department of Chemistry and Biochemistry, Graduate School of Engineering, Kyushu University, JST CREST, 744 Moto-oka, Nishi-ku, Fukuoka 819-0395, Japan
E-mail: n-kimi@mail.cstm.kyushu-u.ac.jp
Fax: +81-92-802-2838
Tel: +81-92-802-2832

^b Institute for Materials Chemistry and Engineering, Kyushu University, 6-1 Kasuga-Koen, Kasuga, Japan

Abstract

A lipophilic linear Fe^II complex is dispersed as nanofibers in nematic liquid crystals and displays spin-crossover at temperatures higher than those observed for the bulk crystalline state; thermal bistability is also induced in the liquid crystal environment, reflecting increased ligand field splitting energy and enhanced cooperativity by liquid crystals.

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Supplementary files

Reflectance spectra, SQUID, DSC and WAXS data PDF (917K)

Article information

DOI: https://doi.org/10.1039/B920631K
Article type: Communication
Submitted: 06 Oct 2009
Accepted: 15 Dec 2009
First published: 13 Jan 2010

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Chem. Commun., 2010,46, 1229-1231

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Spin crossover characteristics of nanofibrous Fe^II-1,2,4-triazole complexes in liquid crystals

K. Kuroiwa, H. Kikuchi and N. Kimizuka, Chem. Commun., 2010, 46, 1229 DOI: 10.1039/B920631K

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