[1] P. Li, T.-M. Lu, H. Bakhru. High charge storage in amorphous BaTiO3 thin films. Appl. Phys. Lett., 58, 2639(1991).

[2] L. M. Sheppard. Advances in processing of ferroelectric thin films. Am. Ceram. Soc. Bull., 71, 85(1992).

[3] L. Huang, Z. Chen, J. D. Wilson, S. Banerjee, R. D. Robinson, I. P. Herman, R. Laibowitz, S. O’Brien. Barium titanate nanocrystals and nanocrystal thin films: Synthesis, ferroelectricity, and dielectric properties. J. Appl. Phys., 100, 034316(2006).

[4] M. Jain, S. B. Mujumdar, R. S. Katiyar, A. S. Bhalla. Novel barium strontium titanate Ba0.5Sr0.5TiO3/MgO thin film composites for tunable microwave devices. Mater. Lett., 57, 4232(2003).

[5] J. Zhai, X. Yao, H. Chen. Structural and dielectric properties of Ba0.85Sr0.15(Zr0.18Ti0.85)O3 thin films grown by a sol–gel process. Ceram. Int., 30, 1237(2004).

[6] L. N. Gao, J. W. Zhai, X. Yao, Z. K. Xu. Dielectric properties of heterostructured BZT thin films prepared by sol–gel technique. Mater. Lett., 62, 3198(2008).

[7] A. N. Tarale, S. R. Jigajeni, D. J. Salunkhe, P. B. Joshi, S. B. Kulkarni, D. M. Phase, R. J. Chaudhary, S. K. Deshapande. Synthesis and characterization of Ba0.7Sr0.3TiO3, BaZr0.3Ti0.7O3 thin film heterostructures. J. Mater. Sci. Mater. Electron., 23, 557-566(2012).

[8] Q. X. Jia, H. H. Kung, X. D. Wu. Microstructure properties of Ba0.5Sr0.5TiO3 thin films on Si with conductive SrRuO3 bottom electrodes. Thin Solids Films, 299, 115(1997).

[9] M. Nayak, S. Y. Lee, T.-Y. Tseng. Electrical and dielectric properties of (Ba0.5Sr0.5)TiO3 thin films prepared by a hydroxide–alkoxide precursor-based sol–gel method. J. Mater. Chem. Phys., 77, 34-42(2002).

[10] A. Piorra, A. Petraru, H. Kohlsted, M. Wuttig, E. Quand. Piezoelectric properties of 0.5(Ba0.7Ca0.3TiO3) – 0.5[Ba(Zr0.2Ti0.8)O3] ferroelectric lead-free laser deposited thin films. J. Appl. Phys., 109, 104101(2011).

[11] F. Techeliebou, S. Baik. Influence of the laser wavelength on the microstructure of laser ablated Ba0.5Sr0.5TiO3 films. J. Appl. Phys., 80, 7046(1996).

[12] Y. C. Choi, J. Lee, B. S. Lee. Improvements of the properties of chemical-vapor-deposited (Ba, Sr) TiO3 films through use of a seed layer. Jpn. J. Appl. Phys., 36, 6824(1997).

[13] S. Kim, S. Baik. Effects of surface structures of MgO(100) single crystal substrates on ferroelectric PbTiO3 thin films grown by radio frequency sputtering. J. Vac. Sci. Technol. A., 13, 95(1995).

[14] B. Fu, Y. Yang, K. Gao, Y. Wang. Significant increase of Curie temperature and large piezoelectric coefficient in Ba(Ti0.80Zr0.20)-O3-0.5(Ba0.70Ca0.30)TiO3 nanofibers. Appl. Phys. Lett., 107, 042903(2015).

[15] Y. Chen, T. Y. Zhang, Q. G. Chi, J. Q. Lin, X. Wang, Q. Q. Lei. Low temperature growth of (100)-oriented Ba(Zr0.2Ti0.8)O3- 0.5(Ba0.7Ca0.3)TiO3 thin films using a LaNiO3 seed layer. J. Alloys Compd., 663, 818(2016).

[16] F. M. Pontes, E. R. Leite, D. S. L. Pontes, E. Longo, E. M. S. Santos, S. Mergulhao, P. S. Pizani, Jr. F. Lanciotti, T. M. Boschi, J. A. Varela. Ferroelectric and optical properties of Ba0.8Sr0.2TiO3 thin film. J. Appl. Phys., 91, 5972(2002).

[17] G. Burns, J. A. Sanjurjo, E. Lopez-Cruz. High-pressure Raman study of two ferroelectric crystals closely related to PbTiO3. Phys. Rev. B, 30, 7170(1984).

[18] J. D. Freire, R. S. Katiyar. Lattice dynamics of crystals with tetragonal BaTiO3 structure. Phys. Rev. B, 37, 2074(1988).

[19] N. V. Giridharan, R. Jayavel, P. Ramasamy. Structural, morphological and electrical studies on barium strontium titanate thin films prepared by sol–gel technique. Crystal Res. Technol., 36, 65(2001).

[20] J. G. Cheng, X. J. Meng, B. Li, J. Tang, S. L. Guo, J. H. Chu, M. Wang, H. Wang, Z. Wang. Ferroelectricity in sol-gel derived Ba0.8Sr0.2TiO3 thin films using a highly diluted precursor solution. Appl. Phys. Lett., 75, 2132(1999).

[21] C. B. Parker, J.-P. Maria, A. I. Kingon. Temperature and thickness dependent permittivity of (Ba,Sr)TiO3 thin films. Appl. Phys. Lett., 81, 2(2002).

[22] D. O’Neill, G. Catalan, F. Porras, R. M. Bowman, J. M. Gregg. Thin film ferroelectrics for capacitor applications. J. Mater. Sci. Mater. Electron., 9, 199(1998).

[23] M. M. Sutar, A. N. Tarale, S. R. Jigajeni, S. B. Kulkarni, P. B. Joshi. Investigations on nanocrystalline BST-LSMO magnetodielectric composites. Appl. Nanosci., 2, 311(2012).

[24] S. G. Chavan, A. N. Tarale, P. M. Kharade, S. B. Kulkarni, D. J. Salunkhe. Micro-wave sintered nickel doped cobalt ferrite nanoparticles prepared by hydrothermal method. J. Chin. Adv. Mater. Soc., 5, 47(2017).

[25] O. Bidaut, P. Goux, M. K. Chikech, M. Belkaoumi, M. Manglion. Space charge relaxation in perovskite. J. Phys. Rev. B., 49, 7868(1994).

[26] S. K. Choi, B. S. Kang, Y. W. Cho, Y. M. Vysochanskii. Diffuse dielectric anomaly in ferroelectric materials. J. Electroceram., 13, 493(2004).