Structure and Electric Property of BaTi2O5 Film by Laser Ablation
BaTi2O5 film was prepared on MgO (100) substrate by laser ablation, and the structure and electric property of the film were investigated. The film was b-axis oriented and epitaxially grown on the substrate along two in-plane directions with the a-axes (-orientation) perpendicular to each other. The b-axis oriented BaTi2O5 film exhibited a sharp permittivity maximum (~ 2000) and had a high Curie temperature (750 K). The electrical conductivity increased with temperature and showed the Arrhenius relationship having an activation energy of 1.25 eV.
K. Katayama, K. Kato, T. Takenaka, M. Takata and K. Shinozaki
C. B. Wang et al., "Structure and Electric Property of BaTi2O5 Film by Laser Ablation", Key Engineering Materials, Vol. 350, pp. 103-106, 2007