[1] B JAFFE, R COOK W, H JAFFE. Piezoelectric Ceramics(1971).

[2] N KIM, W HUEBNER, S JANG et al. Dielectric and piezoelectric properties of lanthanum-modified lead magnesium niobium-lead titanate ceramics. Ferroelectrics, 93, 341-349(1989). http://www.tandfonline.com/doi/abs/10.1080/00150198908017366

[3] C TURNER R, A FUIERER P, E NEWNHAM R et al. Materials for high temperature acoustic and vibration sensors: a review. Applied Acoustics, 41, 299-324(1994). https://linkinghub.elsevier.com/retrieve/pii/0003682X94900914

[4] E CROSS L, E NEWNHAM R. History of ferroelectrics. Ceramics Civilization, 3, 289-305(1987).

[5] D DAMJANOVIC. Ferroelectric, dielectric and piezoelectric properties of ferroelectric thin films and ceramics. Reports on Progress in Physics, 61, 1267-1324(1998). https://iopscience.iop.org/article/10.1088/0034-4885/61/9/002

[6] S ZHANG, R XIA, R SHROUT T. Lead-free piezoelectric ceramics vs. PZT?. Journal of Electroceramics, 19, 251-257(2007).

[7] E PARK S, R SHROUT T. Ultrahigh strain and piezoelectric behavior in relaxor based ferroelectric single crystals. Journal of Applied Physics, 82, 1804-1811(1997). http://aip.scitation.org/doi/10.1063/1.365983

[8] B NOHEDA, E COX D, G SHIRANE et al. A monoclinic ferroelectric phase in the Pb(Zr1-xTix)O3 solid solution. Applied Physics Letters, 74, 2059-2061(1999). http://aip.scitation.org/doi/10.1063/1.123756

[9] R GUO, E CROSS L, E PARK S et al. Origin of the high piezoelectric response in PbZr1-xTixO3. Physical Review Letters, 84, 5423-5426(2000). https://link.aps.org/doi/10.1103/PhysRevLett.84.5423

[10] H GENE. Ferroelectric ceramics: history and technology. Journal of the American Ceramic Society, 82, 797-818(1999). https://onlinelibrary.wiley.com/doi/10.1111/j.1151-2916.1999.tb01840.x

[11] P LI, J ZHAI, B SHEN et al. Ultrahigh piezoelectric properties in textured (K, Na) NbO3-based lead-free ceramics. Advanced Materials, 30, 1705171(2018). https://onlinelibrary.wiley.com/toc/15214095/30/8

[12] S DURSUN, E MENSU-RALKOY, U UNVER M et al. Enhancement of electrical properties in the ternary PMN-PT-PZ through compositional variation, crystallographic texture, and quenching. Journal of the American Ceramic Society, 103, 2499-2508(2020). https://onlinelibrary.wiley.com/toc/15512916/103/4

[13] E LINES M, M GLASS A. Principles and Applications of Ferroelectrics and Related Materials, 25-28(1977).

[14] W CHOI S, T SHROUT R, J JANG S et al. Dielectric and pyroelectric properties in the Pb(Mg1/3Nb2/3)O3-PbTiO3 system. Ferroelectrics, 100, 29-38(1989). http://www.tandfonline.com/doi/abs/10.1080/00150198908007897

[15] K WEN, Q QIU, H JI et al. Investigation of phase diagram and electrical properties of xPb(Mg1/3Nb2/3)O3-(1-x)Pb(Zr0.4Ti0.6)O3 ceramics. Journal of Materials Science: Materials in Electronics, 25, 3003-3009(2014). http://link.springer.com/10.1007/s10854-014-1974-3

[16] F LI, D LIN, Z CHEN et al. Ultrahigh piezoelectricity in ferroelectric ceramics by design. Nature Materials, 17, 349-354(2018). https://doi.org/10.1038/s41563-018-0034-4

[17] Q GUO, L HOU, F LI et al. Investigation of dielectric and piezoelectric properties in aliovalent Eu3+-modified Pb(Mg1/3Nb2/3)O3- PbTiO3 ceramics. Journal of the American Ceramics Society, 102, 7428-7435(2019). https://onlinelibrary.wiley.com/toc/15512916/102/12

[18] L WANG, R LIANG, C MAO et al. Effect of PMN content on the phase structure and electrical properties of PMN-PZT ceramics. Ceramics International, 39, 8571-8574(2013). https://linkinghub.elsevier.com/retrieve/pii/S0272884213004136

[19] N UDOMKAN, LIMSUWAN et al. Effect of rare-earth (RE=La, Nd, Ce and Gd) doping on the piezoelectric of PZT (52:48) ceramics. International Journal of Modern Physics B, 21, 4549-4559(2007). https://www.worldscientific.com/doi/abs/10.1142/S0217979207037909

[20] H WANG, B JIANG, R SHROUT T et al. Electromechanical properties of fine-grain, 0.7Pb(Mg1/3Nb2/3)O3-0.3PbTiO3 ceramics. IEEE Transactions on Ultrasonics Ferroelectrics and Frequency Control, 51, 908-912(2004). http://ieeexplore.ieee.org/document/1320751/

[21] W CAO, A RANDALL C. Grain size and domain size relations in bulk ceramic ferroelectric materials. Journal of Physics & Chemistry of Solids, 57, 1499-1505(1996).

[22] J LEE H, S ZHANG, J LUO et al. Thickness-dependent properties of relaxor-PbTiO3 ferroelectrics for ultrasonic transducers. Advanced Functional Materials, 20, 3154-3162(2010). https://onlinelibrary.wiley.com/doi/10.1002/adfm.201000390

[23] S ZHANG, F LI, X JIANG et al. Advantages and challenges of relaxor-PbTiO3 ferroelectric crystals for electroacoustic transducers- a review. Progress in Materials Science, 68, 1-66(2015). https://linkinghub.elsevier.com/retrieve/pii/S0079642514000760

[24] B NOHEDA, E COX D, G SHIRANE et al. Phase diagram of the ferroelectric relaxor (1-x)PbMg1/3Nb2/3O3-xPbTiO3. Physical Review B, 66, 054104(2002). https://link.aps.org/doi/10.1103/PhysRevB.66.054104

[25] K MISHRA S, P SINGH A, P DHANANJAI. Thermodynamic nature of phase transitions in Pb(ZrxTi1-x)O3 ceramics near the morphotropic phase boundary: I. structural studies. Philosophical Magazine Part B, 76, 213-226(1997).

[26] K LI, E SUN, Y ZHANG et al. High piezoelectricity of Eu3+- doped Pb(Mg1/3Nb2/3)O3-0.25PbTiO3 transparent ceramics. Journal of Materials Chemistry C, 9, 2426-2436(2021). http://xlink.rsc.org/?DOI=D0TC05351A

[27] F LI, S ZHANG, D DAMJANOVIC et al. Local structural heterogeneity and electromechanical responses of ferroelectrics: learning from relaxor ferroelectrics. Advanced Functional Materials, 28, 1801504(2018). https://onlinelibrary.wiley.com/toc/16163028/28/37

[28] J CHEN, M CHAN H, P HARMER M. Ordering structure and dielectric properties of undoped and La/Na-doped Pb(Mg1/3Nb2/3)O3. Journal of the American Ceramic Society, 72, 593-598(1989). http://www.blackwell-synergy.com/toc/jace/72/4

[29] B HILCZER. Influence of lattice-deffects on the properteis of ferroelectrics. Diffusionless Phase Transitions in Oxides and Some Reconstructive and Martensitic Phase Transitions, 101, 95-128(1995).

[30] A SMOLENSKII G, A ISUPOV V, I AGRANOVSKAYA A et al. Ferroelectrics with diffuse phase transitions. Soviet Physics-Solid State, 2, 2584-2594(1961).

[31] A SMOLENSKII G. Physical phenomena in ferroelectrics with diffused phase transition. Journal of the Physical Society of Japan, 28, 26-37(1970).

[32] F LI, S ZHANG, T YANG et al. The origin of ultrahigh piezoelectricity in relaxor-ferroelectric solid solution crystals. Nature Communications, 7, 13807(2016). https://doi.org/10.1038/ncomms13807

[33] A BOKOV A. Recent progress in relaxor ferroelectrics with perovskite structure. Journal of Material Science, 41, 31-52(2006). http://link.springer.com/10.1007/s10853-005-5915-7

[34] D BERLINCOURT. Piezoelectric Crystals and Ceramics, 63-124(1971).

[35] E CROSS L. Relaxor ferroelectrics. Ferroelectrics, 76, 241-276(1987). http://www.tandfonline.com/doi/abs/10.1080/00150198708016945

[36] D VIEHLAND, J JANG S, E CROSS L et al. Freezing of the polarization fluctuations in lead magnesium niobate relaxors. Journal of Applied Physics, 68, 2916-2921(1990). http://aip.scitation.org/doi/10.1063/1.346425