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The near-ultraviolet excited Zn3(VO4)2 phosphor film on a quartz substrate was fabricated by RF magnetron sputter deposition of the film at 150°C or room temperature and subsequent rapid thermal calcination at 600–900°C. The phosphor film exhibited a broad emission spectrum with a peak at 567nm and a FWHM of 186nm. The highest internal quantum efficiency of 45% was obtained after 800°C calcination...
(K,Na)NbO3 (KNN) based lead-free materials have gained great progress and drawn much attention recently, due to their attractive piezoelectric performance and the demand for environmental protection. As is known, domain motion is essential for piezoelectric output; however, there is limited understanding on this topic for KNN. In the present study, the domain growth process of the KNN thin film is...
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