Emhanced 1.54 μm Luminescence from Erbium and Yttrium Co-doped Porous Silicon
Zhang Xiaoxia;Cheah Kok-Wai;Shi Jianxin;Luo Li;Wong Kai- Kwok;Gong Menglian
Acta Chimica Sinica . 2003, (9): 1430 -1433 .