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Stepwise Synthesis and Magnetic Control of Trimetallic Magnets [Co2Ln(L)2(H2O)4][Cr(CN)6nH2O (Ln = La, Gd; H2L = 2,6-Di(acetoacetyl)pyridine) with 3-D Pillared-Layer Structure

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posted on 27.12.2006, 00:00 by Takuya Shiga, Hisashi Ōkawa, Susumu Kitagawa, Masaaki Ohba
Integration of mononuclear [Cr(CN)6]3- and preorganized trinuclear [Co2Ln(L)2]3+ complexes provides novel trimetallic magnets having a 3-D pillared-layer framework with an alternate array of 2-D layer extended by Cr(III)−CN−Co(II) linkages and Ln(III) ion. The overall magnetic nature can be systematically controlled by Ln(III) ions inserted between the 2-D ferromagnetic layers.