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APA Citation
Li, J., Chai, X., Hui, X., Wang, X., Zou, H., Zhao, H., & Yao, X. (2016). broadband Near-Infrared Photoluminescence and Strong Visible Up-Conversion Emission in BaTiO3-(Na0.5Er0.5)TiO3 Lead-Free Piezoelectric Ceramics. Ferroelectrics, 490(1), 118–126. http://access.bl.uk/ark:/81055/vdc_100028773566.0x000031