HAI, Nguyen Van et al.
 Synthesis of CeO2:xEu3+, yAl3+ Nanocrystals by Sol-gel Method and Investigation of Their Optical Properties.
<strong>VNU Journal of Science: Natural Sciences and Technology</strong>, [S.l.], apr. 2026.
ISSN 2588-1140.
Available at: &lt;<a href="https://js.vnu.edu.vn/NST/article/view/5892" target="_new">https://js.vnu.edu.vn/NST/article/view/5892</a>&gt;. Date accessed: 02 may 2026.
doi: <a href="https://doi.org/10.25073/2588-1140/vnunst.5892">https://doi.org/10.25073/2588-1140/vnunst.5892</a>.