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Optical detection of Sm2+ nuclear quadrupole resonances in SrFCl and BaFCl

Published in Journal of physics. Condensed matter.. 1993, vol. 5, no. 32, p. 5921-5928
Abstract The authors report the first observation of nuclear quadrupole resonances in Sm2+, detected optically for both naturally occurring isotopes with nuclear spin (Sm147 and Sm149) in SrFCl and BaFCl crystals. Quadrupole coupling constants P are determined in the 7F0 electronic ground state and estimates are given for the ratios of shielding parameters (1- gamma infinity )/(1- sigma 2). Comparison of the two crystals demonstrates the sensitivity of quadrupolar coupling to Sm2+-ligand interactions. Anomalously small splittings in BaFCl ( mod P mod <0.05 MHz) are ascribed to the mutual cancelling of two electric field gradient components (4f shell and direct crystal field terms).
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Research group Groupe Bill
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JAANISO, Raivo, BILL, Hans. Optical detection of Sm2+ nuclear quadrupole resonances in SrFCl and BaFCl. In: Journal of Physics. Condensed Matter, 1993, vol. 5, n° 32, p. 5921-5928. doi: 10.1088/0953-8984/5/32/019 https://archive-ouverte.unige.ch/unige:2893

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Deposited on : 2009-09-21

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