Cite
MLA Citation
Zhirong Zhang et al.. “Color tuning of up-conversion emission in ytterbium, erbium, aluminum tri-doped zinc oxide crystal by adjusting aluminum concentration.” Spectroscopy letters, vol. 51, no. 1, 2018, pp. 31–36. http://access.bl.uk/ark:/81055/vdc_100056630509.0x000063