%0 Conference Proceedings %T Synthesis, Characterization, and Optical Properties of Lanthania Nanoparticles %A Mahvelati Shamsabadi, Tahereh %A Kafshdare Goharshadi, Elaheh %A Yazdanbakhsh, Mohammad %J International Congress on Nanoscience & Nanotechnology (ICNN2012) %D 2012