Large magnetocaloric effect in a Wells-Dawson type {Ni6Gd 6P6} cage

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Abstract

(Figure Presented) Cool stuff: The usage of phosphonates has led to formation of a family of 3d-4f heterometallic cages with a Wells-Dawson-like structure (see picture; Gd, Dy, or Y purple; Ni cyan; P green; O orange; C gray). Magnetic studies show ferromagnetic interactions within the oxocentered nickel triangle and huge entropy change in the Gd analogue, which, in principle, can be used as an ultralow-temperature coolant.

Original languageEnglish
Pages (from-to)3692-3695
Number of pages4
JournalAngewandte Chemie - International Edition
Volume50
Issue number16
DOIs
StatePublished - 11 Apr 2011

Keywords

  • Cage molecules
  • Magnetocaloric effect
  • Molecular refrigerants
  • Phosphonates
  • Polyoxometalates

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