%0 Conference Proceedings %T Study of Structural, Electrical and Optical Properties of Nano-structured Vanadium Oxide Thin Films by Spray Pyrolysis Method: Effect of Solution Concentration %A B.M. Mousavi %A Kompany, Ahmad %A Shahtahmassebi, Nasser %A , %J 4th International Conference onNanostructures (ICNS4) %D 2012