Lead-free (Ba,Sr)TiO<inf>3</inf> – BiFeO<inf>3</inf> based multilayer ceramic capacitors with high energy density

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WANG, G., LU, Z., LI, J., JI, H., YANG, H., LI, L., SUN, S., FETEIRA, Antonio, YANG, H., ZUO, R., WANG, D. and REANEY, I.M. (2019). Lead-free (Ba,Sr)TiO<inf>3</inf> – BiFeO<inf>3</inf> based multilayer ceramic capacitors with high energy density. Journal of the European Ceramic Society, 40 (4), 1779-1783. [Article]

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25804:543338

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25804:543338

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Abstract

High recoverable energy density (10 J cm−3) multilayers have been fabricated from lead-free 0.61BiFeO3-0.33(Ba0.8Sr0.2)TiO3-0.06La(Mg2/3Nb1/3)O3 ceramics. High breakdown strength > 730 kV cm-1 was achieved through the optimisation of multilayer processing to produce defect-free dielectric layers 7 μm thick. Excellent temperature, frequency, fatigue stability and fast charge-discharge speed were observed in the multilayer, critical for their potential use in power electronics.

More Information

Official URL:

https://www.sciencedirect.com/science/article/pii/...

Uncontrolled Keywords:

0912 Materials Engineering; Materials

Page Range:

1779-1783

Identifiers

Identification Number:

10.1016/j.jeurceramsoc.2019.12.009

ORCID for Antonio Feteira: