7Sengupta L C, Sengupta S. [J]. IEEE Trans, 1997,44:792-797.
8Sengupta L C,Ngo E,Stowell S,et al. Ceramic Ferroelectric Composite Materials-BSTO-Mgo [ P ]. US: Patent,5427988,1995.
9Chiu L H. Ceramics Ferroelectric Composite Materials with Enhanced Electric Properties BSTO-Mg Based Compound-rare Earth Oxide[P]. US: Patent, 6074971,2000.
10Sengupta L C. Ceramics Ferroelectric Composite Materials-BSTO-magnesium Based Compound[P]. US: Patent,5635434,1997.