@article{article7de9b1c6,
title   = {Synthesis and characterization of tunable color upconversion luminescence beta-NaGdF4: Yb3+,Er3+ nanoparticles},
author = {Khan, Latif Ullah and Khan, Zahid Ullah and Rodrigues, R. V. and Costa, L. S. and Gidlund, Magnus Ake and Brito, Hermi Felinto de},
year = {2019},
doi = {10.1007/s10854-019-01462-2},
journal   = {Journal of Materials Science: Materials in Electronics}
}