Structural and Optical Characterization of Nb-doped PZT 65/35 Thin Films Grown by Sol-Gel and Laser Ablation Techniques I.Boerasu, M. Pereira, M.J.M. Gomes & M.I.C. Ferreira “3th International Romanian Conference on Advanced Materials – ROCAM 200 0”. Publicação no Livro Resumos da Conferência, 23-25 de Outubro de 2000, Bucharest, Roménia.