One-dimensional chain of tetranuclear manganese single-molecule magnets |
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| Authors: | Yoo Jae Wernsdorfer Wolfgang Yang En-Che Nakano Motohiro Rheingold Arnold L Hendrickson David N |
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| Institution: | Department of Chemistry and Biochemistry, University of California at San Diego, La Jolla, 92093-0358, USA. |
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| Abstract: | A one-dimensional chain of interconnected single-molecule magnets (SMMs) is obtained that consists of Mn(4)(hmp)(6)](4+) units bridged by chloride ions. Slow magnetization relaxation is evident in the AC susceptibility data and in magnetization hysteresis measurements for Mn(4)(hmp)(6)Cl(2)](n)(ClO(4))(2)(n). The magnetization hysteresis loops for this complex are similar to those for an SMM and show significant coercive field and steps at regular magnetic intervals. Spin-canted antiferromagnetic coupling due to misalignment of easy axes of neighboring Mn(4) units is also observed for this complex. |
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