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Structure, morphology, dielectric, and impedance properties of (1-x) (Al0.2La0.8TiO3) + (x) (CuTiO3) (x = 0.2–0.8) nanocomposites

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Abstract

(1−x) (Al0.2La0.8TiO3) + (x) (CuTiO3) (x = 0.2–0.8) [ALTCT] nanocomposites were prepared through hydrothermal process. The diffraction study indicated the formation of tetragonal structure expressing maximum intense peak at ~ 25.586o for all samples. Lattice constants a = b and c values were found to be increasing from 3.774 to 3.780 Å, and 9.394–9.950 Å, respectively as a function of ‘x’. The surface morphology showed that the formation of nanospheres, and hexagonal nanorods. Further, the dielectric behavior was studied, and the results showed space charge effect, dielectric relaxation dynamics, and frequency-dependent dielectric properties. Impedance and dielectric modulus formalism was carried out to elucidate the microstructure, polarization, and electrical conduction mechanism.

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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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Authors and Affiliations

  1. Department of Physics, GITAM Deemed to be University, Bangalore, 562163, India

    B. Venkata Shiva Reddy, T. Anil Babu, S. Ramesh, K. Srinivas & K. Chandra Babu Naidu

  2. Department of Physics, JNTUA College of Engineering, Anantapur, 515002, Andhra Pradesh, India

    N. Suresh Kumar

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  1. B. Venkata Shiva Reddy
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Reddy, B.V.S., Kumar, N.S., Babu, T.A. et al. Structure, morphology, dielectric, and impedance properties of (1-x) (Al0.2La0.8TiO3) + (x) (CuTiO3) (x = 0.2–0.8) nanocomposites. J Mater Sci: Mater Electron 32, 21225–21236 (2021). https://doi.org/10.1007/s10854-021-06625-8

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