Spin-Lattice Relaxation of F+—Centers in Neutron Irradiated CaO Crystals
We have measured the spin-lattice relaxation rates of F+- centers at different F+-center concentration in magnetic fields from 10-3 T to 4.8 T and at 0.4K < T < 4.2K. The intrinsic Kronig-Van Vleck spin-lattice relaxation mechanism was not found. At higher temperatures the relaxation rates are nearly proportional to the F+-center concentrations.
PACS numbers76.30.Mi 76.70.Hb
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