Surface Structures and Dielectric Properties of Yttrium-doped Barium
Strontium Titanate Films by Improved Sol-Gel method
LIAO Jia-Xuan,WANG Hong-Quan,PAN Xiao-Feng,FU Xiang-Jun,ZHANG Jia,TIAN Zhong
Journal of Inorganic Materials . 2009, (2): 387 -391 .  DOI: 10.3724/SP.J.1077.2009.00387