Scientific article
English

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

Published inJournal of physics. Condensed matter, vol. 5, no. 32, p. 5921-5928
Publication date1993
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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Citation (ISO format)
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
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Journal ISSN0953-8984
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