Portelles, ...., Fuentes, ...., Raymond, ...., Heiras, ...., Cruz, ...., Ostos, ...., Arizaga, ...., & Siqueiros, .... 2014 Jul 15. Influence of the Sintering Conditions on the Microstructural, Dielectric and Piezoelectric Properties of La Doped KNNTa Ceramics. Revista Cubana de FĂ­sica. [Online] 31:1