Abstract
This paper discusses the luminescence properties of Ce3+ ions in strontium hexaborate SrB6O10
when they are excited in the 3.5-18-eV region. At least two types of luminescent Ce3+
centers are observed in solid solutions of composition Sr1-xCexB6O10 (x<0.01). One of them is
formed by direct replacement of strontium ions without local charge compensation, and the
second center is an associate of a Ce3+ cerium ion and a strontium vacancy. It is shown that the
dominant charge-compensation mechanism on the cation sublattice includes the formation
of one strontium vacancy for each two Ce3+ ions introduced into the lattice.
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