Anomalous magnetic moments of Mn13 and Mn19 clusters

Tina M. Briere, Marcel H.F. Sluiter, Vijay Kumar, Yoshiyuki Kawazoe

Research output: Contribution to journalArticlepeer-review

10 Citations (Scopus)


Recently, sharply reduced magnetic moments were measured in Mn13 and Mn19 clusters with values of about 0.5 μB/atom, while other clusters had moments of 1 to 1.4μB/atom. It was postulated that this sharply reduced magnetic moment results from the icosahedral growth sequence. We confirm the stability of the icosahedral structures. The icosahedral Mn13 and Mn19 clusters have several nearly degenerate low energy states, each with a low magnetic moment. It is shown that the mixture of ferromagnetic and antiferromagnetic coupling is responsible for the low net magnetic moments.

Original languageEnglish
Pages (from-to)424-427
Number of pages4
JournalMaterials Transactions
Issue number3
Publication statusPublished - 2002 Mar


  • Ferromagnetic coupling
  • Icosahedral clusters
  • Magnetic moment
  • Manganese clusters


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