White upconversion photoluminescence for Er3+–Tm3+–Yb3+ tri-codoped bismuth titanate ferroelectric thin films
Sun, Lina, Gao, Feng, Huang, QiangVolume:
588
Language:
english
Journal:
Journal of Alloys and Compounds
DOI:
10.1016/j.jallcom.2013.11.009
Date:
March, 2014
File:
PDF, 736 KB
english, 2014