What question did this study set out to answer?

This research aims to explore how non-stoichiometric design influences the structural properties of Ba(Mg1/3Nb2/3)O3 ceramics and their dielectric performance.

April 23, 2026Journal of Materials Chemistry C0 citations

All sites’ systematic non-stoichiometric regulation of ordering-related structure and microstructure for enabling ultralow dielectric loss and temperature stability in Ba(Mg 1/3 Nb 2/3 )O 3 perovskite ceramics

YLYangyang LiuNorthwestern Polytechnical University MFMaosen Fu XMXiao MaNorthwestern Polytechnical University

Key Points

This research aims to explore how non-stoichiometric design influences the structural properties of Ba(Mg1/3Nb2/3)O3 ceramics and their dielectric performance.
Analyzed cation ordering at different sites in Ba(Mg1/3Nb2/3)O3 ceramics.
Investigated the effects of ordering on grain size and microstructure.
Examined the relationship between grain boundaries and dielectric properties.
Identified a critical grain-size effect impacting dielectric loss and temperature stability.
Showed that increased ordering results in improved dielectric properties.
Revealed the coupling of ordering degree with grain boundaries is significant for material performance.

Abstract

Non-stoichiometric design at distinct sites in Ba(Mg 1/3 Nb 1/3 )O 3 to regulate cation ordering, ordered domains, and grain size, revealing a critical grain-size effect that governs the coupled impact of ordering degree and grain boundaries to the Q × f .

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