Abstract
Nuclear spin polarization in the 4f 146s 2 1 S 0 ground state of175Lu+(I=7/2) ions is achieved by optical pumping with the resonance line (1 S 0-1 P 1,λ=261.5 nm). Nuclear magnetic resonance of the free ions in He buffer gas yields for the magnetic dipole momentμ(175Lu)=2.2240(11)μ n (with diamagnetic correction). This value can be used for a more accurate determination of the magnetic dipole moments of other Lu isotopes from knownA factor ratios. A comparison with nuclear induction measurements in solids results in the chemical shiftsδ(LuB12)=−23(5)·10−4 andδ(LuSb)= −31(5)·10−4.
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We are indebted to G. zu Putlitz and H. Ackermann for their constant interest in this work and many helpful discussions and to F. Hannebauer for help in the early stage of this experiment. This work was sponsored by the Deutsche Forschungsgemeinschaft.
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Müller, R., Weber, E.W. Precision measurement of the nuclear magnetic dipole moment of175Lu by optical pumping of free Lu+ ions. Z Physik A 275, 305–311 (1975). https://doi.org/10.1007/BF01434016
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DOI: https://doi.org/10.1007/BF01434016