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Magnetochemistry 2016, 2(2), 21;

1D Chains of Lanthanoid Ions and a Dithienylethene Ligand Showing Slow Relaxation of the Magnetization

Department of Chemistry, Graduate School of Science, Tohoku University, Aramaki-Aza-Aoba, Aoba-ku, Sendai 980-8578, Japan
Core Research for Evolutional Science and Technology (CREST), Japan Science and Technology (JST), 4-1-8 Kawaguchi, Saitama 332-0012, Japan
Department of Chemistry and Research Center for Smart Molecules, Rikkyo University, Nishi-Ikebukuro 3-34-1, Toshima-ku, Tokyo 171-8501, Japan
Author to whom correspondence should be addressed.
Academic Editors: Marius Andruh and Liviu F. Chibotaru
Received: 12 February 2016 / Revised: 24 March 2016 / Accepted: 25 March 2016 / Published: 31 March 2016
(This article belongs to the Special Issue Magnetic Anisotropy)
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Three isostructural 1D lanthanoid complexes with the general formula {[Ln2(DTE)(H-DTE)(MeOH)2]·2H2O}n (Ln = Tb, Dy, and Yb; DTE = 1,2-bis(5-carboxyl-2-methyl-3-thienyl) perfluorocyclopentene) were synthesized. In the 1D chain structure of each complex, lanthanide ions are seven coordinate with a capped trigonal prism geometry. The 1,2-bis(5-carboxyl-2-methyl-3-thienyl) perfluorocyclopentene (DTE) ligand adopts a parallel configuration in these complexes, which results in the loss of the photo-isomerization ability of the ligand. From magnetic measurements, each complex undergoes slow relaxation of the magnetization via multiple processes in a dc field. View Full-Text
Keywords: Lanthanide; slow magnetic relaxation; coordination polymer Lanthanide; slow magnetic relaxation; coordination polymer

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Yatoo, M.A.; Cosquer, G.; Morimoto, M.; Irie, M.; Breedlove, B.K.; Yamashita, M. 1D Chains of Lanthanoid Ions and a Dithienylethene Ligand Showing Slow Relaxation of the Magnetization. Magnetochemistry 2016, 2, 21.

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