Spin Dynamics at Level Crossing in Molecular AF Rings Probed by NMR
- A., Lascialfari
- F., Borsa
- M. H., Julien
- E., Micotti
- Y., Furukawa
- Z. H., Jang
- Cornia, Andrea
- D., Gatteschi
- M., Horvatic
- J., VAN SLAGEREN
DOIAbstract
The low-temperature spin dynamics in molecular rings with a finite number (N less than or equal to 10) of magnetic ions was studied by means of H-1 NMR. When an external magnetic field (B) induces a crossing between energy levels, peaks are observed in the spin-lattice relaxation rate of protons, 1/T-1(B), at constant temperature. We discuss similarities and differences in the data from three different rings: Fe10, Fe6:Li and Cr8
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