Abstract

Defect Eu³⁺ sites in EuVO₄ have been studied with the high-resolution techniques of spectral hole burning and optically detected nuclear quadrupole resonance. A number of EuVO₄ crystals prepared from fluxes with various compositions have been used to show that some point defects are associated with specific chemical impurities but that other defects seem to be present even in the purest crystals. Site-dependent nuclear quadrupole parameters P and η have been determined for both ⁷F₀ and ⁵D₀ states at two defect sites, and the nuclear Zeeman effect has permitted the local defect site principal axes to be determined.

© 1992 Optical Society of America

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