Guo, Yiping; Gu, Mingyuan; Luo, Haosu; Liu, Yun; Withers, Raymond
(Nay,Biz)Ti1-xO3(1-x)- xBaTiO3 ceramics with an excess in Bi3+ and/or a deficiency in Na+ were prepared and investigated. It is found that an antiferroelectric phase can be induced through a modulation of the mole ratio of Na+ and Bi3+. A phase boundary between ferroelectric and antiferroelectric phases can be observed at ambient temperature. A modulated phase, which is the origin of relaxor antiferroelectric behavior, should be attributed to a compositional modulation. The antiferroelectric...[Show more]
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