In the present study, morphological and electrical 'properties of BaZrO3 were investigated as a function of the ionic radii mismatch between Zr and,the different B-site dopants (Al, Se, In, Lu, Tm, Y, Gd,.Sm, Nd, and La) for the same solute concentration and valence. Our study highlights the critical-role of the ionic radius,of the acceptor dopant on stability, sinterability, and proton conductivity of barium zirconate. From our study, Gd-doped barium zirconate emerges as a novel promising material for proton conductor electrolytes.
Gilardi, E., Fabbri, E., Bi, L., Rupp, J., Lippert, T., Pergolesi, D., et al. (2017). Effect of dopant-host ionic radii mismatch on acceptor-doped barium zirconate microstructure and proton conductivity. THE JOURNAL OF PHYSICAL CHEMISTRY. B, 121(18), 9739-9747 [10.1021/acs.jpcc.7b02163].
Effect of dopant-host ionic radii mismatch on acceptor-doped barium zirconate microstructure and proton conductivity
Fabbri E.;Traversa E.
2017-04-10
Abstract
In the present study, morphological and electrical 'properties of BaZrO3 were investigated as a function of the ionic radii mismatch between Zr and,the different B-site dopants (Al, Se, In, Lu, Tm, Y, Gd,.Sm, Nd, and La) for the same solute concentration and valence. Our study highlights the critical-role of the ionic radius,of the acceptor dopant on stability, sinterability, and proton conductivity of barium zirconate. From our study, Gd-doped barium zirconate emerges as a novel promising material for proton conductor electrolytes.| File | Dimensione | Formato | |
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