Abstract
A series of polycrystalline Bi4−xHoxTi3O12 (BiT:xHo3+) (x=0.0, 0.01, 0.03, 0.05, 0.1, 0.15, 0.2, 0.3, and 0.4) samples were synthesized through the solid-state reaction method, and their microstructural, photoluminescence, ferroelectric (FE), and dielectric properties were investigated. Under the excitation of 455 nm light, the sample exhibits a strong green emission peak centered at 545 nm which corresponds to the transition from 5S2 to 5I8. The optimal emission intensity was obtained when x=0.05 for the BiT:xHo3+ system. More importantly, enhanced ferroelectric and dielectric properties were also obtained with Ho doping.
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