Heterometallic Co(III)-Gd(III) Clusters as Magnetic Refrigerants.
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Two heterometallic Co(III)-Gd(III) nanomagnets (Co2Gd6 and Co2Gd9) with defective dicubane-like cores were isolated from the same set of reactants by varying the reaction conditions. These are the first examples of cobalt(III)-gadolinium(III) phosphonate compounds and a rare class of compounds with large 4f ratio among the reported 3d-4f complexes. Magnetic studies reveal large magnetic entropy changes for both complexes (-Sm = 27.81 and 33.07 J kg(-1) K(-1), respectively at 3 K and 7 T).
author list (cited authors)
Sheikh, J. A., & Clearfield, A.
complete list of authors
Sheikh, Javeed Ahmad||Clearfield, Abraham