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Structural and Dielectric Properties of (1-x) (Al0.2La0.8TiO3) + (x) (BiZnFeO3) (x = 0.2 − 0.8) nanocomposites

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Abstract

(1-x) (Al0.2La0.8TiO3) + (x) (BiZnFeO3) (x = 0.2–0.8) [ALTBZFO] nanocomposites were synthesized via hydrothermal method. These nanocomposites are significantly adequate for perfect absorber and high charge stowed capacitor applications. The hydrothermal method is mainly a solution reaction involved methodology to control the morphology of the materials, significantly can control the compositions of nanomaterials through multiphase chemical reactions. The X-ray diffraction patterns indicated the phase transformation from tetragonal for x = 0.2 to cubic for x = 0.4–0.8 samples, respectively. The surface morphology showed the existence of nanospheres-like structures. At 1 MHz frequency also, the dielectric constant was increased from 230 to 710 for x = 0.2–0.6 samples, respectively. Interestingly, x = 0.6 nanocomposite exhibited the negative dielectric behavior having the dielectric constant (ε′) ~ − 58.5 and dielectric loss (ε") ~ − 417 at 8 MHz. Similarly, x = 0.6 sample showed ac-electrical conductivity (σac) − 0.159 S/cm at 6 MHz. Hence, these kinds of materials can provide high charge stored capacitors and perfect absorber applications.

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Acknowledgements

The authors express thankfulness to Dr. P. Sreeramulu, Assistant Professor (English), GITAM, Bangalore for providing English language editing services to this manuscript.

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  1. Department of Physics, GITAM Deemed To Be University, Bengaluru, 562163, India

    A. Mallikarjuna, T. Anil Babu, S. Ramesh & K. Chandra Babu Naidu

  2. Department of Physics, JNTUCEA, Anantapuramu, 515002, Andhra Pradesh, India

    N. Suresh Kumar

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Mallikarjuna, A., Kumar, N.S., Babu, T.A. et al. Structural and Dielectric Properties of (1-x) (Al0.2La0.8TiO3) + (x) (BiZnFeO3) (x = 0.2 − 0.8) nanocomposites. J Inorg Organomet Polym 31, 4512–4522 (2021). https://doi.org/10.1007/s10904-021-02123-w

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