Abstract
AbstractHeterometallic 3d/4f complexes have emerged as a crucial element in the field of molecular magnets, particularly single-molecule magnets (SMMs). This interest stems due to the possibility of stronger magnetic exchange interaction between 4f and 3d metal ions. Such interactions not only provide a stable ground state but also diminish quantum tunneling of magnetization phenomenon, thereby enhancing the performance of SMMs. The assembly of cobalt ion with lanthanide ions can form several arrays of complexes with varying nuclearity and atheistically pleasing structures. Not only that since Co(II) ion is a metal ion having first-order contribution, it can depict astonishing magnetic properties in 3d/4f clusters. This review presents a summary of structural aspects of Co(II)/Ln(III) and its detailed magnetic analysis. The important example of Co(II)/Ln(III) clusters ranging from dinuclear to dodecanuclear nuclearity is discussed in detail. Lastly, an outlook is provided to synthetic chemists for designing such complexes in the future with superior SMM properties.KeywordsHeterometallic complexCobalt lanthanide complexSingle-molecule magnetSlow relaxation of magnetization
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