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Reverse Spin Transition Triggered by a Structural Phase Transition

2005; Wiley; Volume: 44; Issue: 31 Linguagem: Inglês

10.1002/anie.200500316

1521-3773

Shinya Hayami, Yuji Shigeyoshi, Motoko Akita, Katsuya Inoue, Kenichi Kato, Keiichi Osaka, Masaki Takata, Ryo Kawajiri, Tadaoki Mitani, Yonezo Maeda,

Electron Spin Resonance Studies

Reverse spin crossover (RSCO), the reversible spin transition from the high- to the low-spin state upon heating, was observed in [Co(Cn-terpy)2](BF4)2 (Cn-terpy=terpyridine) equipped with a long alkoxy chain (AC) of n=14 or 16 methylene units (see picture). The wide thermal hysteresis of the RSCO around room temperature could allow such compounds to be used as molecular switches. Supporting information for this article is available on the WWW under http://www.wiley-vch.de/contents/jc_2002/2005/z500316_s.pdf or from the author. Please note: The publisher is not responsible for the content or functionality of any supporting information supplied by the authors. Any queries (other than missing content) should be directed to the corresponding author for the article.