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Structural and Magneto-Electrical Properties of (1-x) La0.70Sr0.30MnO3- xBaTiO3 (x = 0.10 and 0.20)

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Abstract

(1-x) La0.70Sr0.30MnO3 (LSMO) – x BaTiO3 (BTO) (x = 0.10 and 0.20) ceramics were synthesised by chemical route as well as solid-state route for preparation of various compositions in LSMO-BTO (x = 0.10 and 0.20) systems. In this process, LSMO have been prepared by chemical route method and BTO synthesised by solid-state method. The room temperature structure characterisation of all the samples of LSMO-BTO for x = 0.00, 0.10 and 0.20 was carried out. The LSMO have rhombohedral symmetry with space group R-3C; BTO has tetragonal symmetry with space group P4mm. Among all the samples studied, pure and composite samples have shown that the lowest Metal–Insulator (MI) transition temperature occurs for x = 0.20 at 187 K for their temperature-dependent resistivity having the largest value (~ 170 Ω cm). The peak resistivity, ρmax increases as the MI transition temperature TMI, goes decreases. Percentage magnetoresistance (MR) variation of LSMO-BTO (x = 0.10 and 0.20) with temperature has also been studied. Analytical analysis shows the % MR data is normally distributed the value of test is greater than 0.05.

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Acknowledgements

Vikash Singh is thankful to Prof. H. K. Singh, faculty of Physical Science, ACSIR and senior Principal scientist, CSIR-NPL, New Delhi, India, for providing experimental facility.

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Authors and Affiliations

  1. Applied Science and Humanities, ABES Engineering College, Ghaziabad, Uttar Pradesh, 201009, India

    Vikash Singh

  2. School of Basic and Applied Sciences, K. R. Mangalam University, Gurugram, Haryana, 122103, India

    Pawan Kumar

  3. Department of Physics and Materials Science and Engineering, Jaypee Institute of Information Technology, Noida, Uttar Pradesh, 201307, India

    R. K. Dwivedi

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  1. Vikash Singh
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Singh, V., Kumar, P. & Dwivedi, R.K. Structural and Magneto-Electrical Properties of (1-x) La0.70Sr0.30MnO3- xBaTiO3 (x = 0.10 and 0.20). J Supercond Nov Magn 34, 525–530 (2021). https://doi.org/10.1007/s10948-020-05715-8

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  • DOI: https://doi.org/10.1007/s10948-020-05715-8

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