Dielectric and Ferroelectric Properties of Nd-Doped Bi4Ti3O12
来源期刊：JOURNAL OF RARE EARTHS2004年增刊第3期
论文作者：Chen Xiaobing Mao Xiangyu
Key words：neodymium-doping; remnant polarization; Curie temperature; remnant polarization; dielectric loss;
Abstract: The investigations on the ferroelectric and dielectric properties of neodymium-doped Bi4Ti3O12 (Bi4-xNdxTi3 O12 ) ferroelectric ceramics were presented. The ferroelectric properties of Bi4Ti3 O12 were improved by Nd-doping.The dielectric property measurements indicate that the Curie temperatures of Bi4-xNdxTi3O12 decrease with Nd-doping.The variations of dielectric loss suggest that the mobility of the domain wall increases and the oxygen vacancy concentration decreases with doping.
Chen Xiaobing1，Mao Xiangyu1
(1.College of Physics Science and Technology, Yangzhou University, Yangzhou 225002, China)
Abstract:The investigations on the ferroelectric and dielectric properties of neodymium-doped Bi4Ti3O12 (Bi4-xNdxTi3 O12 ) ferroelectric ceramics were presented. The ferroelectric properties of Bi4Ti3 O12 were improved by Nd-doping.The dielectric property measurements indicate that the Curie temperatures of Bi4-xNdxTi3O12 decrease with Nd-doping.The variations of dielectric loss suggest that the mobility of the domain wall increases and the oxygen vacancy concentration decreases with doping.
Key words:neodymium-doping; remnant polarization; Curie temperature; remnant polarization; dielectric loss;
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