Standing spin waves in an antiferromagnetic molecular Cr
- S. T. Ochsenbein
- O. Waldmann
- A. Sieber
- G. Carver
- R. Bircher
- H. U. Güdel
- R. S. G. Davies
- G. A. Timco
- R. E. P. Winpenny
- H. Mutka
- F. Fernandez-Alonso
DOIAbstract
The antiferromagnetic molecular finite chain Cr6 was studied by inelastic neutron scattering. The observed magnetic excitations at 2.6 and 4.3 meV correspond, due to the open boundaries of a finite chain, to standing spin waves. The determined energy spectrum revealed an essentially classical spin structure. Hence, various spin-wave theories were investigated in order to assess their potential for describing the elementary excitations of finite spin systems
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