Abstract

The mechanoluminescence (ML) properties of Pr 3+-doped BaTiO 3–CaTiO 3 diphase ceramics in different stressed conditions have been investigated. The results indicate that this ML belongs to elastico-ML (EML) and possesses the advantages of intense emission, non-destruction, repeatability of luminescence, and linear relation between the luminescence intensity and the stress. This EML is considered to have a piezoelectric origin. Furthermore, this material shows superior water resistance property.

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