Theoretical and Experimental Study of Barium Zinc-Cadmium Tantalate-based Microwave Dielectrics
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Theoretical and Experimental Study of Barium Zinc-Cadmium Tantalate-based Microwave Dielectrics Shaojun Liu1, 2, Mark Van Schilfgaarde1, 2, Jian Sun3, Louisa Badd1, David Smith1, 2, 3, Novak S. Petrovixc4, R. Taylor4, and N. Newman1 , 2, * 1 Chemical and Materials Engineering Department 2 Science and Engineering of Materials Program, 3 Center for Solid State Science, Arizona State University, Tempe, AZ 85287-6006 4 Electrical and Computer Engineering Department, Queens land University, Paddington, Australia 4064 ABSTRACT Single-phase Ba(Cd1/3Ta2/3)O3 ceramics have been produced using conventional powder processing methods. In our initial investigations, 2wt% ZnO powder was added to act as a sintering aid since a high-density ceramic was not formed from solid-state diffusion alone. The resulting Ba(Cd0.327Zn0.006Ta2/3)O3 material sintered at 1550° C exhibits a dielectric constant of ~33 and loss tangent of
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