Electron-Nuclear Interactions as a Test of Crystal-Field Parameters for Low Symmetry Systems: Zeeman-Hyperfine Spectroscopy of Ho$^{3+}$ Doped Y$_2$SiO$_5$

• URL: http://arxiv.org/abs/2103.09343v2
• Date: Sat, 27 Mar 2021 02:21:43 GMT
• Title: Electron-Nuclear Interactions as a Test of Crystal-Field Parameters for Low Symmetry Systems: Zeeman-Hyperfine Spectroscopy of Ho$^{3+}$ Doped Y$_2$SiO$_5$
• Authors: Sagar Mothkuri, Michael F. Reid, Jon-Paul R. Wells, Elo\"ise Lafitte-Houssat, Philippe Goldner, Alban Ferrier
• Abstract summary: Crystal-field parameters determined for the two $C$ symmetry sites in Er$3+$:Y$SiO$_5$ are successfully used to model the Zeeman-hyperfine data. The two six- and seven-coordinate substitutional sites may be distinguished by comparing the spectra with crystal-field calculations.
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• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: High-resolution Zeeman spectroscopy of electronic-nuclear hyperfine levels of ${^5\mathrm{I}_8}\rightarrow{^5\mathrm{I}_7}$ transitions in Ho$^{3+}$:Y$_2$SiO$_5$ is reported. Crystal-field parameters determined for the two $C_1$ symmetry sites in Er$^{3+}$:Y$_2$SiO$_5$ are successfully used to model the Zeeman-hyperfine data, including the prediction of avoided crossings between hyperfine levels under the influence of an external magnetic field. The two six- and seven-coordinate substitutional sites may be distinguished by comparing the spectra with crystal-field calculations.

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