Resonant cross-relaxation between Cr3+ and V3+ in Al2O3 |
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| Authors: | A Gavaix A Vasson A-M Vasson CA Bates P Steggles |
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| Institution: | Laboratoire de Radioélectricité et Théorie du Solide, Université de Clermont-Ferrand, UER des Sciences Exactes et Naturelles, BP 45, 63170 Aubière, France;Department of Physics, University of Nottingham, University Park, Nottingham NG7 2RD, England |
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| Abstract: | Cross-relaxation, which occurs when a V3+ transition is resonant with a monitored Cr3+ transition, leads to a marked reduction of the spin-lattice relaxation time of Cr3+ in Al2O3. Measurements and an analysis of the temperature dependence of this effect give a value of 8.34 ± 0.49 cm?1 for the zero-field splitting of V3+, an ion which is strongly coupled to the lattice. |
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