TY - GEN AU - Noculak,A AU - Podhorodecki,A AU - Pawlik,G AU - Banski,M AU - Misiewicz,J TI - Ion-ion interactions in β-NaGdF4:Yb(3+),Er(3+) nanocrystals--the effect of ion concentration and their clustering SN - 2040-3372 PY - 2016///0113 N1 - Publication Type: Journal Article; Research Support, Non-U.S. Gov't UR - https://doi.org/10.1039/c5nr03385c ER -