Structure and Dielectric Properties of Fe and Ni doped (Zr,Sn)TiO4 Ceramic

Abstract

Abstract: The dielectric ceramic with a main crystal phase of (Zr,Sn)TiO₄ was prepared by conventional electronic
ceramics technology. The structure of (Zr,Sn)TiO₄ is orthorhombic with space group Pbcn. The effects of Fe and Ni doping on the dielectric properties
of (Zr,Sn)TiO₄ system ceramics were investigated. Fe dopants decrease the sintering temperature and reduce Q values of the system(Q=1/tgδ).
With both Fe and Ni doping, the decreasing of Q factor can be suppressed. Because of Ni ions probably suppressing the diffusion of Fe ions into the
grain, Fe ions stay at the grain boundaries and form the Fe-Ni spinel structure, which reduces the effects of Fe ions on Q values.

Key words: （Zr, Sn）TiO₄, dielectric properties, Ni dopants, Fe dopants

CLC Number:

TQ174

CHEN Li-Ying,WU Shun-Hua,DONG Xiang-Hong. Structure and Dielectric Properties of Fe and Ni doped (Zr,Sn)TiO₄ Ceramic[J]. Journal of Inorganic Materials.

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Structure and Dielectric Properties of Fe and Ni doped (Zr,Sn)TiO₄ Ceramic

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