Journal
INORGANIC CHEMISTRY
Volume 51, Issue 22, Pages 12059-12061Publisher
AMER CHEMICAL SOC
DOI: 10.1021/ic301527b
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Funding
- National University of Singapore
- A*STAR of Singapore [R143-000-426-305]
- NUS Graduate School for Integrative Sciences and Engineering
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A new family of Co/rare-earth intermetallic cubane aggregates [Co(3)Ln(hmp)(4)(OAc)(5)H2O] (Ln = Dy, Ho, Er, Tm, Yb, Y) have been synthesized by self-assembly. Single-crystal X-ray diffraction analysis revealed that they are remarkably isostructural in showing a common [Co(3)Ln] core. Magnetic studies showed that the Dy, Er, Tm, Yb, and Y complexes are ferromagnetic. The Dy complex exhibits the largest magnetocaloric effect (-Delta S-m = 12.58 J kg(-1) K-1), which can be attributed to the large magnetic density of Dy-III.
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