Ba0.1Sr0.9TiO3-BaTi4O9 composite thin films with improved microwave dielectric propertiesL. Yan, L. F. Chen, C. Y. Tan, C. K. Ong, Md. Anisur Rahman and T. OsipowiczEur. Phys. J. B, 41 2 (2004) 201-205DOI: https://doi.org/10.1140/epjb/e2004-00310-y