Zn–Cu-codoped SnO
2
nanoparticles: Structural, optical, and ferromagnetic behaviors
Zulfiqar Syed
1, 2
, Iqbal Zainab
3
, Lü Jianguo
1, †
(color online) FTIR spectra of Zn–Cu-codoped SnO
2
nanoparticles calcined at 400 °C and 600 °C.