[1] J. Rödel, et al., “Perspective on the development of lead-free piezoceramicsˮ, Journal of the American Ceramic Society, Vol. 92, pp. 1153-1177, 2009.
[2] L. E. Cross & R. E. Newnham, “History of Ferroelectrics, in Ceramics and civilization: High-technology Ceramics-Past, present and future, W.D. Kingery, Editorˮ, The American Ceramic Society Inc.: USA, 1986.
[3] F. Bourguiba, et al., “Effect of iron and tungsten substitution on the dielectric response and phase transformations of BaTiO3 pervoskite ceramicˮ, Journal of Alloys and Compounds, Vol. 686, pp. 675-683, 2016.
[4] J. P. Ma, et al., “Microstructure, dielectric, and energy storage properties of BaTiO3 ceramics prepared via cold sinteringˮ, Ceramics International, Vol. 44, No. 4, pp. 4436-4441, 2018.
[5] X. Wang, H. Lai-Wa Chan & C. L. Choy, “Positive temperature coefficient of resistivity effect in niobium-doped barium titanate ceramics obtained at low sintering temperatureˮ, Journal of the European Ceramic Society, Vol. 24, No. 6, pp. 1227-1231, 2004.
[6] C. Gao, et al., “Nanocrystalline semiconducting donor-doped BaTiO3 ceramics for laminated PTC thermistorˮ, Journal of the European Ceramic Society, Vol. 37. No. 4, pp. 1523-1528, 2017.
[7] Y. Cui, et al., “Lead-free (Ba0.85Ca0.15) (Ti0.9Zr0.1) O3–CeO2 ceramics with high piezoelectric coefficient obtained by low-temperature sinteringˮ, Ceramics International, Vol. 38, No. 6, pp. 4761-4764, 2012.
[8] Y. Cui, et al., “Lead-free (Ba0.85Ca0.15) (Ti0.9Zr0.1) O3-Y2O3 ceramics with large piezoelectric coefficient obtained by low-temperature sinteringˮ, Journal of Materials Science: Materials in Electronics, Vol. 24, No. 2, pp. 654-657, 2013.
[9] Y. Cui, et al., “Lead-free (Ba0.7Ca0.3) TiO3-Ba(Zr0.2Ti0.8) O3-xwt %CuO ceramics with high piezoelectric coefficient by low-temperature sinteringˮ, Journal of Materials Science: Materials in Electronics, Vol. 23, No. 7, pp. 1342-1345, 2012.
[10] H. Du, et al., “Microstructure, Piezoelectric, and Ferroelectric Properties of Bi2O3-Added (K0.5Na0.5) NbO3 Lead-Free Ceramicsˮ, Journal of the American Ceramic Society, Vol. 90, No. 9, pp. 2824-2829, 2007.
[11] H. Du, et al., “Microstructure, Piezoelectric, and Ferroelectric Properties of Bi2O3-Added (K0.5Na0.5) NbO3 Lead-Free Ceramicsˮ, Journal of the American Ceramic Society, Vol. 90, No. 9, pp. 2824-2829, 2007.
[12] F. Bahri, et al., “Classical or Relaxor Ferroelectric Behaviour of Ceramics with Composition Ba1—xBi2x/3TiO3ˮ, physica status solidi A, Vol. 184, No. 2, pp. 459-464, 2001.
[13] F. Bahri & H. Khemakhem, “Relaxor behavior and dielectric properties of Ba1−xBi2x/3Zr0.15Ti0.85O3 solid solutionˮ, Journal of Alloys and Compounds, Vol. 593, pp. 202-206, 2014.
[14] J. Zhang, et al., “Dielectric and ferroelectric responses of Ba0.99 − xBi2x/3Ca0.01Zr0.02Ti0.98O3 ceramicsˮ, Materials Research Bulletin, Vol. 69, pp. 51-55, 2015.
[15] R. Hayati, et al., “Effects of Bi2O3 additive on sintering process and dielectric, ferroelectric, and piezoelectric properties of (Ba0.85Ca0.15) (Zr0.1Ti0.9) O3 lead-free piezoceramicsˮ, Journal of the European Ceramic Society, Vol. 36, No. 14, pp. 3391-3400, 2016.
[16] J. Liu, et al., “Dielectric permittivity and electric modulus in Bi2Ti4O11ˮ, The Journal of Chemical Physics, Vol. 119, No. 5, pp. 2812-2819, 2003.
[17] N A. Lomanova, et al., “Properties of aurivillius phases in the Bi4Ti3O12-BiFeO3 systemˮ, Inorganic Materials, Vol. 42, No. 2, pp. 189-195, 2006.
[18] R. Hayati, “Optimizing the composition of lead free (Ba1-xCax) (ZryTi1-y) O3 piezoceramics in order to facilitate the sintering process and promote the electrical propertiesˮ, PhD Dissertation, Materials & Research Center, Iran, 2016.
[19] N. A. Lomanova, V. L. Ugolkov & V. V. Gusarov, “Thermal behavior of layered perovskite-like compounds in the Bi4Ti3O12-BiFeO3 systemˮ, Lass Physics and Chemistry, Vol. 33, No. 6, pp. 608-612, 2007.