? SHENDE R V, KRUEGER D S, LOMBARDO S J. Solid state synthesis, processing and electrical properties of Sr(TixZr1–x)O3(x = 0–1) ceramics for high voltage applications [J]. J Ceram Process Res, 2003, 4(4): 191–196.
[3]
? CHAO S, DOGAN F. BaTiO3–SrTiO3 layered dielectrics for energy storage [J]. Mater Lett, 2011, 65(6): 978–981.
[4]
? ZHANG Q, WANG L, LUO J, et al. Ba0.4Sr0.6TiO3/MgO composites with enhanced energy storage density and low dielectric loss for solid-State pulse-forming line [J]. Int J Appl Ceram Technol, 2010, 7: E124–E128.
[5]
? BURN I, SMYTH D M. Energy storage in ceramic dielectrics [J]. J Mater Sci, 1972, 7(3): 339–343.
ZHANG Qitu, ZHANG Xiaoping, LI Bin. Electron Compon Mater (in Chinese). 2005, 24(12): 38–41.
[8]
? CHEN A, ZHI Y. High capacitance-temperature sensitivity and “giant” dielectric constant in SrTiO3 [J]. Appl Phys Lett, 2007, 90(20): 202903.
[9]
? BATTLE P D, BENNETT J E, SLOAN J, et al. A-Site cation-vacancy ordering in Sr1–3x/2LaxTiO3: A study by HRTEM [J]. Solid State Chem, 2000, 149(2): 360–369.
[10]
? LI X, ZHAO H, ZHOU X, et al. Electrical conductivity and structural stability of La-doped SrTiO3 with A-site deficiency as anode materials for solid oxide fuel cells [J]. Int J Hydrogen Energy, 2010, 35: 7913– 7918.
[11]
? FLANDERMEYER B F, AGARWAL A K, ANDERSON H U, et al. Oxidation-reduction behaviour of La-doped SrTiO3 [J]. J Mater Sci, 1984, 19(8): 2593–2598.
[12]
? MOOS R, BISCHOFF T, MENESKLOU W, et al. Solubility of lanthanum in oxygen-rich atmospheres [J]. J Mater Sci, 1997, 32(16): 4247–4252.
[13]
? SHEN Z Y, LI Y M, WANG Z M, et al. Structural characteristics and dielectric properties of Nd-doped SrTiO3 ceramics by introducing Ti vacancies for valence compensation [J]. Adv Mater Res, 2011, 284– 286: 1435–1441.
? WU Z H, CAO M H, SHEN Z Y, et al. Effect of glass additive on microstructure and dielectric properties of SrTiO3 ceramics [J]. Ferroelectrics, 2007, 356(1): 95–101.
[16]
? SHANNON R D. Crystal Physics, Diffraction, Theoretical and General Crystallography [J]. Acta Cryst, 1976, A32: 751–767.
[17]
? TKACH A, VILARINHO P M, KHOLKIN A L. Structure–Microstructure– Dielectric tunability relationship in Mn-doped strontium titanate ceramics [J]. Acta Mater, 2005, 53(19): 5061–5069.
[18]
? KISHI H, KOHZU N, SUGINO J, et al. The effect of rare-earth (La, Sm, Dy, Ho and Er) and Mg on the microstructure in BaTiO3 [J]. J Eur Ceram Soc, 1999, 19(6/7): 1043–1046.
[19]
? GAO D K W, KWOK K W, LIN D, et al. Microstructure and electrical properties of La-modified K0.5Na0.5NbO3 lead-free piezoelectric ceramics [J]. J Appl Phys, 2009, 42(3): 035411.
? MOOS R, HARDTL K H. Electronic transport properties of Sr1–xLax? TiO3 ceramics [J]. J Appl Phys, 1996, 80(1): 393–400.
[23]
? SHEN Z Y, LUO W Q, LI Y M, et al. Electrical hetero-structure of Nd0.1Sr0.9TiO3 ceramic for energy storage applications [J]. J Mater Sci: Mater Electron, 2013, 24(2): 607–612.
[24]
? YE Y, ZHANG S C, DOGAN F, et al. Influence of nanocrystalline grain size on the breakdown strength of ceramic dielectrics [C]. 14th IEEE International Pulsed Power Conference, 2003, 1: 719–722.