Abstract
Using the method ofγ-detection, the NMR in the metastable 40 keV-state of103Rh in Fe (thin foils with diffused103Pd activity) was measured in external fields of 0.5 to 14 kG. We find a zero-field resonance frequency ofv 0=(550.3±0.5) MHz and a slope ofdv/dH= −(0.933 ±0.017) MHz/kG, yielding g=1.22 ± 0.02. The resulting value for the hyperfine field, Hhf=(590±10) kG, is inconsistent with that of an NMR measurement in the ground state of103Rh. Possible reasons for this discrepancy are discussed.
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Discussions with Dr. W.D. Brewer and the assistance of G. Muschert with the apparatus and K. Lübbert with some of the measurements are gratefully acknowledged. This work has been supported by the Deutsche Forschungsgemeinschaft (Sonderforschungsbereich 161).
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Kempter, H., Klein, E. γ-Detected NMR of103 mRhFe . Z Physik A 281, 341–346 (1977). https://doi.org/10.1007/BF01408181
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DOI: https://doi.org/10.1007/BF01408181