Exchange constants and spin dynamics in Mn 12-acetate

  • A. Honeckera, N. Fukushimaa, B. Normandb, G. Chaboussantc, H.-U. Güdeld
  • Published 2005


We have obtained new inelastic neutron scattering (INS) data for the molecular magnet Mn12-acetate which exhibit at least six magnetic peaks in the energy range 5–35meV. These are compared with a microscopic Heisenberg model for the 12 quantum spins localised on the Mn ions, coupled by four inequivalent magnetic exchange constants. A fit to the magnetic… (More)

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