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Electroluminescent ceramics excited by low electrical field

Liu, Yun; Xu, Chao-Nan


Strong green-light emission occurs in Eu:SrAl₂O₄ ceramics and Eu:SrAl₂O₄ /poly(vinylidene fluoride-trifluoroethylene) (P(VDF-TrFE)) composites when excited by a lower dc or ac voltage. That emission is caused by strong electric-mechanic-optic interaction. The composite shows stronger luminescent emission intensity in comparison to similar ceramics because of an enhanced piezoelectric effect from P(VDF-TrFE)—a typical piezoelectric polymer.

CollectionsANU Research Publications
Date published: 2004-05-28
Type: Journal article
Source: Applied Physics Letters
DOI: 10.1063/1.1763223


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