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Updated: May 30, 2026

Hyperspectral Imaging as a Tool to Study Optical Anisotropy in Lanthanide-Based Molecular Single Crystals
Published on: April 14, 2020
Spectroscopy and crystal-field analysis of KY(3)F(10):Ho(3+)
Marjorie Mujaji1, Jon-Paul R Wells
1School of Physics, University of the Witwatersrand, Johannesburg, Wits 2050, South Africa.
Abstract:
A laser excitation and infrared absorption study of the single C(4v) symmetry centre in KY(3)F(10):Ho(3+) is presented. Comparatively weak upconversion fluorescence is observed and can be attributed to an energy-transfer excitation mechanism proposed previously. Fifty one crystal-field energy levels for seven Ho(3+) multiplets ((5)I(8), (5)I(7), (5)I(6), (5)F(5), (5)S(2), (5)F(4) and (5)F(3)) have been deduced. A crystal-field analysis has been performed, with excellent agreement found between experimental and calculated energy levels.
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