[3] [3] XU R, FENG Y J, WEI X Y, et al. Analysis on nonlinearity of antiferroelectric multilayer ceramic capacitor (MLCC) for energy storage[J]. IEEE Trans Dielectr Electr Insul, 2019, 26(6): 2005–2011.

[4] [4] GAO L S, GUO H Z, ZHANG S J, et al. Base metal co-fired multilayer piezoelectrics[J]. Actuators, 2016, 5(1): 8.

[5] [5] RAJOPADHYE N R, BHORASKAR S V, BADRINARAYAN S, et al. Photoacoustic and X-ray photoelectron spectroscopic studies in reduced lead zirconate titanate ceramics[J]. J Mater Sci, 1988, 23(7): 2631–2636.

[6] [6] SHIMAKAWA Y, KUBO Y. Degradation of ferroelectric Pb(Zr,Ti)O3 under reducing conditions[J]. Appl Phys Lett, 2000, 77(16): 2590–2592.

[7] [7] KONDO M, MARUYAMA K, KURIHARA K. Effect of electrode materials on lead lanthanum zirconate titanate with heating under reducing atmosphere[J]. Key Eng Mater, 2002, 228–229: 211–214.

[8] [8] SCHAAB S, SCHULZ M, FRITZE H, et al. Influence of reducing atmosphere on the defect chemistry of lead lanthanum zirconate titanate (8/65/35)[J]. Solid State Ion, 2012, 228: 56–63.

[9] [9] SHIN D J, LIM D H, SALEEM M, et al. Fabrication and stability of base metal electrode (Ni) on a perovskite oxide co-fired multilayer piezoelectric device[J]. J Mater Chem C, 2021, 9(31): 10101–10111.

[10] [10] HONG S C, PARK Z, YEO D H, et al. Two-stage de-binding for Cu electrode application to PZT-PZNN multilayer actuator[J]. Trans Electr Electron Mater, 2022, 23(4): 348–354.

[11] [11] KOO B K, JEONG S J, LEE D H, et al. Electrical cycling of Cu-PMNZT multilayer co-fired ceramic actuators[J]. J Phys Chem Solids, 2022, 170: 110950.

[12] [12] BISWAL B, PATTNAYAK S, MISHRA D K. Comparative studies of structural and dielectric properties of mullite@zirconia composites synthesized by conventional sintering and thermal plasma sintering[J]. Appl Phys A, 2022, 128(11): 1025.

[13] [13] QI X Y, CHEN H W, DENG B W, et al. Energy-storage properties of Sr-doped PLZST bulk ceramics and thick films[J]. J Mater Sci Mater Electron, 2019, 30(19): 17916–17922.

[14] [14] XIA Z G, LI Q. Phase transformation in (0.90–x)Pb(Mg1/3Nb2/3)O3– xPbTiO3–0.10PbZrO3 piezoelectric ceramic: X-ray diffraction and Raman investigation[J]. Solid State Commun, 2007, 142(6): 323–328.

[15] [15] WU W F, ZHANG Y, ZHANG Q, et al. Characterization of PLZST-PMW dielectric ceramics[J]. Mater Res Bull, 2014, 60: 183–187.

[16] [16] ZHANG Y J, LIU P, KANDULA K R, et al. Achieving excellent energy storage density of Pb0.97La0.02(ZrSn0.05Ti0.95)O3 ceramics by the B-site modification[J]. J Eur Ceram Soc, 2021, 41(1): 360–367.

[17] [17] CHEN C W, CHEN P, CHU B J. Effect of reduction produced defects on the dielectric relaxation and electrical conduction of Na0.5Bi0.5TiO3 based ceramics[J]. J Appl Phys, 2021, 129(12): 124102.

[18] [18] CEN Z Y, LI L T, WANG X H. Piezoelectric properties and temperature sensitivity for CaZrO3 doped KNN-based ceramics sintered in reducing atmosphere[J]. J Alloys Compd, 2019, 797: 1115–1125.

[19] [19] ZHANG Q F, DAN Y, CHEN J, et al. Effects of composition and temperature on energy storage properties of (Pb, La)(Zr, Sn, Ti)O3 antiferroelectric ceramics[J]. Ceram Int, 2017, 43(14): 11428–11432.

[20] [20] BIAN F, YAN S G, XU C H, et al. Enhanced breakdown strength and energy density of antiferroelectric Pb, La(Zr, Sn, Ti)O3 ceramic by forming core-shell structure[J]. J Eur Ceram Soc, 2018, 38(9): 3170–3176.

[21] [21] MOHAPATRA P, FAN Z M, CUI J, et al. Relaxor antiferroelectric ceramics with ultrahigh efficiency for energy storage applications[J]. J Eur Ceram Soc, 2019, 39(15): 4735–4742.

[22] [22] ZHUO F P, LI Q, QIAO H M, et al. Field-induced phase transitions and enhanced double negative electrocaloric effects in (Pb, La)(Zr, Sn, Ti)O3 antiferroelectric single crystal[J]. Appl Phys Lett, 2018, 112(13): 133901.

[23] [23] ZHUO F P, LI Q, GAO J H, et al. Phase transformations, anisotropic pyroelectric energy harvesting and electrocaloric properties of (Pb, La)(Zr, Sn, Ti)O3 single crystals[J]. Phys Chem Chem Phys, 2017, 19(21): 13534–13546.

[24] [24] HU Q Y, WEI X Y. Abnormal phase transition and polarization mismatch phenomena in BaTiO3-based relaxor ferroelectrics[J]. J Adv Dielect, 2019, 9(5): 1930002.

[25] [25] BOKOV A A, ZUO- G U A N G Y E. Dielectric relaxation in relaxor ferroelectrics[J]. J Adv Dielectr, 2012, 2(2): 1241010.

[26] [26] CHAO G C, WU J M. Effect of reducing atmosphere on electrical properties of sol–gel-derived Pb(Zr, Ti)O3 ferroelectric films on textured LaNiO3 electrode[J]. Jpn J Appl Phys, 2001, 40(10R): 6045.

[27] [27] LIU S F, WU Y J, LI J, et al. Effects of oxygen vacancies on dielectric, electrical, and ferroelectric properties of Ba4Nd2Fe2Nb8O30 ceramics[J]. Appl Phys Lett, 2014, 104(8): 082912.

[29] [29] CHAN W H, CHEN H, COLLA E V. Temporal effect of low-temperature ferroelectric behaviors in Pb0.97La0.02(Zr0.60Sn0.30Ti0.10)O3 ceramics[J]. Appl Phys Lett, 2003, 82(14): 2314–2316.