Luminescence properties of GaBO3: Bi3+

descriptionPublicationkeyboard_double_arrow_right Article 01 Oct 1996 English Publisher:Elsevier BVJournal:Materials Letters, volume 28, pages 517-520 (issn: 0167-577X,

Authors: V.P. Dotsenko; N.P. Efryushina; I.V. Berezovskaya;

doi: 10.1016/0167-577x(96)00114-0

Luminescence properties of GaBO3: Bi3+

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Abstract

Abstract The luminescence properties of GaBO3: Bi3+ have been studied. In contrast to other borates with calcite structure, GaBO3: Bi3+ shows a very efficient UV emission and a blue Stokes-shifted emission caused by an annihilation of the impurity-trapped excitons. The former is attributed to single Bi3+ ions in S6 sites, whereas the latter is related to bismuth defect centers which arise due to difference in the size of the Ga3+ and Bi3+ ions (0.645 A versus 1.02 A).

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