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http://hdl.handle.net/10397/6016
Title: | Color-tunable upconversion luminescence of Yb ³⁺, Er³⁺, and Tm³⁺ tri-doped ferroelectric BaTiO₃ materials | Authors: | Zhang, Y Hao, JH |
Issue Date: | 14-May-2013 | Source: | Journal of applied physics, 14 May 2013, v. 113, no. 18, 184112, p. 1-4 | Abstract: | Tunable upconversion (UC) multicolor luminescence is observed from Yb³⁺, Er³⁺, and Tm³⁺ tri-doped ferroelectric BaTiO₃ (BTO) materials. By control of dopant concentrations, the lanthanide-doped BTO powders are capable of generating various UC spectra and color tunability. A white-light emission is achieved through an optimal design. Strong UC luminescence is also observed in the lanthanide-doped BTO thin-films grown on Pt/TiO₂/SiO₂/Si substrate, which can retain well-defined hysteresis loops with a remnant polarization (2Pr) of 17.8 μC/cm² . These findings open the possibility of lanthanide-doped BTO as multifunctional materials, in which both luminescent and ferroelectric properties co-exist. | Keywords: | Barium compounds Erbium Ferroelectricity Luminescence Ytterbium |
Publisher: | American Institute of Physics | Journal: | Journal of applied physics | ISSN: | 0021-8979 | EISSN: | 1089-7550 | DOI: | 10.1063/1.4805050 | Rights: | © 2013 AIP Publishing LLC. This article may be downloaded for personal use only. Any other use requires prior permission of the author and the American Institute of Physics. The following article appeared in Yang Zhang and Jianhua Hao, J. Appl. Phys. 113, 184112 (2013) and may be found at http://link.aip.org/link/?jap/113/184112 |
Appears in Collections: | Journal/Magazine Article |
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Zhang_color_tunable_upconversion.pdf | 1.09 MB | Adobe PDF | View/Open |
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