High-nuclearity 3d-4f clusters as enhanced magnetic coolers and molecular magnets

Jun Bo Peng, Qian Chong Zhang, Xiang Jian Kong, Yan Zhen Zheng, Yan Ping Ren, La Sheng Long, Rong Bin Huang, Lan Sun Zheng, Zhiping Zheng

Research output: Contribution to journalArticlepeer-review

419 Scopus citations


Four 52-metal-ion 3d-4f cluster complexes featuring a common core of Ln 42M 10 (Ln = Gd 3+, Dy 3+; M = Co 2+/3+, Ni 2+) were obtained through self-assembly of the metal ions templated by mixed anions (ClO 4 - and CO 3 2-). Magnetic studies revealed that the Gd 42Co 10 and Gd 42Ni 10 clusters exhibit the largest magnetocaloric effect (MCE) among any known 3d-4f complexes. Replacement of Gd 3+ ions with anisotropic Dy 3+ ions caused significant changes in the magnetic behavior of the clusters; both Dy 42Co 10 and Dy 42Ni 10 displayed slow relaxation of the magnetization.

Original languageEnglish (US)
Pages (from-to)3314-3317
Number of pages4
JournalJournal of the American Chemical Society
Issue number7
StatePublished - Feb 22 2012
Externally publishedYes

ASJC Scopus subject areas

  • Catalysis
  • Chemistry(all)
  • Biochemistry
  • Colloid and Surface Chemistry


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