Preparation and electrical properties of high-Curie temperature ferroelectrics B.-J. Fang, C.-L. Ding, W. Liu, L.-Q. Li and L. Tang Eur. Phys. J. Appl. Phys., 45 2 (2009) 20302 Published online: 31 January 2009 DOI: 10.1051/epjap/2009004