M. Effendi, N. P. Rini, C. Kurniawan, W. T. Cahyanto, and W. Widanarto, “Improvement the dielectric and impedance properties of Pb-free Bi0.5Na0.5TiO3-SrTiO3 piezoelectric materials modified by Fe2O3”, EEJET, vol. 4, no. 12 (130), pp. 49–57, Aug. 2024.