Nuclear magnetism and the trivalent europium ion |
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Authors: | B. Bleaney |
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Affiliation: | 1. Clarendon Laboratory, Oxford, UK
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Abstract: | Enhanced nuclear moments occur in atoms, molecules and all the transition groups of the periodic table. They are unusually large for lanthanide ions, with electrons of the 4f group, but the mechanism responsible for enhancement for other ions produces “anti-shielding” effects for the trivalent europium ion. These greatly reduce the effective nuclear magnetic moments in the ground state J=0. Here it is suggested that dynamic nuclear polarization can be used to increase the effective nuclear moments, and off-set the anti-shielding. The substance is europium vanadate, “doped” with a small percentage of samarium ions. |
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