Structural investigations of the co-fired interface of Pb-based relaxor ferroelectrics and Ag–Pd electrode

With the miniaturization trend of modern electronic devices and increasing demand for multilayer ceramic chip components, a full understanding of the role of the co-fired ceramic/electrode interface in the performance and long-term reliability of the components becomes very important. In the present...

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Veröffentlicht in:Ceramics international 2008-12, Vol.34 (8), p.2025-2028
Hauptverfasser: Cao, Jiang Li, Wang, Xiao Hui, Gui, Zhi Lun, Li, Long Tu
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Wang, Xiao Hui
Gui, Zhi Lun
Li, Long Tu
description With the miniaturization trend of modern electronic devices and increasing demand for multilayer ceramic chip components, a full understanding of the role of the co-fired ceramic/electrode interface in the performance and long-term reliability of the components becomes very important. In the present work, the inter-diffusion and structure of the co-fired interface of Pb-based relaxor ferroelectrics and Ag–Pd metal electrode were investigated by scanning electron microscopy (SEM) and transmission electron microscopy–energy dispersive analysis of X-rays (TEM–EDAX). No strong structural distortions were observed at the co-fired ceramic/electrode interface except for a thin interfacial layer of 1.5 nm thick on each side of the interface. The ceramic near the interface retains the perovskite lattice structure. It is suggested that the diffused electrode compositions could be incorporated into the perovskite lattice.
doi_str_mv 10.1016/j.ceramint.2007.07.030
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subjects Applied sciences
B. Interfaces
Building materials. Ceramics. Glasses
C. Diffusion
Ceramic industries
Chemical industry and chemicals
D. Perovskites
E. Electrodes
Electrotechnical and electronic ceramics
Exact sciences and technology
Metals. Metallurgy
Technical ceramics
title Structural investigations of the co-fired interface of Pb-based relaxor ferroelectrics and Ag–Pd electrode
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