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All five complexes contain a biradical\u2010Ln unit in which the biradical chelates the Ln<jats:sup>III<\/jats:sup> ion by the means of one aminoxyl (i.\u2009e. NO) group of each NIT unit. For the discrete complexes, a Cu(hfac)<jats:sub>2<\/jats:sub> links two biradical\u2010Ln units via one of the remaining NO groups, while for the chain compounds, the two remaining NO groups of the biradical\u2010Ln moiety are each coordinated to a Cu(hfac)<jats:sub>2<\/jats:sub> unit to form a 1D coordination polymer. Moreover, a terminal Cu(hfac)<jats:sub>2<\/jats:sub> unit is coordinated to the imidazole\u2010N atom of the NITPhMeImbis ligand. Spin dynamics investigations evidenced the onset of slow relaxation of the magnetization for <jats:bold>2<\/jats:bold>, whereas <jats:bold>4<\/jats:bold> and <jats:bold>5<\/jats:bold> exhibit a typical single\u2010chain magnet behavior. This highlights the vital role of the 1D spin correlation in the blocking of the magnetization. These results illustrate that from the same basic building blocks, magnetic relaxation can be carefully modulated by structural adjustments.<\/jats:p>","DOI":"10.1002\/chem.202203852","type":"journal-article","created":{"date-parts":[[2022,12,23]],"date-time":"2022-12-23T09:24:30Z","timestamp":1671787470000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":7,"title":["Enhancing the Magnetization Blocking Energy of Biradical\u2010Metal System by Merging Discrete Complexes into One\u2010Dimensional Chains"],"prefix":"10.1002","volume":"29","author":[{"given":"Junfang","family":"Xie","sequence":"first","affiliation":[{"name":"Department of Chemistry Key Laboratory of Advanced Energy Materials Chemistry College of Chemistry Nankai University  Tianjin 300071 P. R. 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