Dielectric and piezoelectric properties of Sb5+ doped (NaBi)0.38(LiCe)0.05[]0.14Bi2Nb2O9 ceramics

Effects of B-site Co2O3 doping on microstructure and electrical properties of Na0.25K0.25Bi2.5Nb2O9 ceramics

“…It means that the slightly shift to higher temperature. It can be attributed to the contribution of a decrease in ion radius (r Nb5+ = 0.69 Å, r Co3+ = 0.525 Å) and an increase in electronegativity (Nb = 1.6, Co = 1.88) [5,9]. The dielectric loss tan δ is also presented in Fig.…”

“…An alternative method is to introduce modification elements. It was found that the d 33 of the BLSFs can exceed 15 pC/N by replacing an A and/or the B site cation using the traditional solid-state reaction [6][7][8][9]15]. Na 0.25 K 0.25 Bi 2.5 Nb 2 O 9 (NKBN) is one of the most studied compounds among the bismuth-based layered ceramics because of its high T c ( ~650 °C) and lead-free nature [7,17].…”

Effects of (Li,Ce) on the Dielectric, Piezoelectric and Impendence Properties of CaBi4Ti4O15Piezoceramics

“…Peng et al improve piezoactivity, many investigations into A-site or B-site cations modified BLSFs have carried out [8][9][10]. It is well known that cesium ions or alkali-cesium complex ions were introduced into Aurivillius phase materials to promote BLSF's piezoelectric activity [11][12][13]. Although as important as piezoelectric properties, however, electrical properties for (LiCe)-doped Aurivillius phase materials were rarely and/or insufficiently investigated, especially at high temperature region.…”

Synthesis and dielectric properties of textured SrBi2Nb2O9 ceramics via laser rapid solidification

“…Bismuth layer-structured ferroelectrics (BLSFs) have attracted much attention due to their potential application in ferroelectric non-volatile random access memory [1][2][3][4][5][6][7]. The BLSFs are composed of layers of pseudo-perovskite blocks (A n−1 B n O 3n+1 ) 2− interleaved with bismuth oxide (Bi 2 O 2 ) 2+ layers along the pseudo-tetragonal c-axis.…”