Microstructural features and piezoelectric properties of spark plasma sintered lead-free ceramicsIsabelle Monot-Laffez, Richard Retoux, Mustapha Zaghrioui, Micka Bah, Marion Dubernet, Frédéric Dorvaux, Fabian Delorme and Fabien GiovannelliEur. Phys. J. Spec. Top., 231 24 (2022) 4185-4193DOI: https://doi.org/10.1140/epjs/s11734-022-00573-y