TY  - JOUR 
T1  - Analysis of Er3+ incorporation in SnO2 by optical investigation
JO  - Brazilian Journal of Physics
A1  - Morais, Evandro A. de
A1  - Scalvi, Luis V. A.
A1  - Martins, Márcio R.
A1  - Ribeiro, Sidney J. L.
SN  - 0103-9733
UL  - 10.1590/S0103-97332006000300010
VL  - 36 
Y1  - 2006
PB  - Brasil 
ER  -