Molecular coolers: The case for [CuII5GdIII4]

Stuart K. Langley, Nicholas F. Chilton, Boujemaa Moubaraki, Thomas Hooper, Euan K. Brechin, Marco Evangelisti, Keith S. Murray

Research output: Contribution to journalArticlepeer-review

Abstract

The use of triethanolamine (teaH(3)) in 3d/4f chemistry produces the enneanuclear cluster compound [(Cu5Gd4O2)-Gd-II-O-III(OMe)(4)(teaH)(4)(O2CC(CH3)(3))(2)(NO3)(4)]center dot 2MeOH center dot 2Et(2)O(1 center dot 2MeOH center dot 2Et(2)O) whose molecular structure comprises a series of vertex-and face-sharing {(GdCu3II)-Cu-III} tetrahedra. Magnetic studies reveal a large number of spin states populated even at the lowest temperatures investigated. Combined with the high magnetic isotropy, this enables 1 to be an excellent magnetic refrigerant for low temperature applications.

Original languageEnglish
Pages (from-to)1166-1169
Number of pages4
JournalChemical Science
Volume2
Issue number6
DOIs
Publication statusPublished - 2011

Keywords

  • MAGNETIC ENTROPY CHANGE
  • TRANSITION
  • CLUSTERS
  • TEMPERATURE
  • LANTHANIDE
  • COMPLEXES
  • IONS

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