Effects of sintering temperature on physical properties of nanocrystalline La0.85Na0.15MnO3 ceramicsK.L. Liu, C.Y. Li, D.Y. Wu and Y.Q. WangEur. Phys. J. Appl. Phys., 56 3 (2011) 30602DOI: https://doi.org/10.1051/epjap/2011100299