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Vol. 37 No. 7 (2025): Vol 37 Issue 7, 2025

Copyright (c) 2025 MARKANDEYA YELAGANDULA, Manjula Devi A, Rajender R, Balaji Rao R

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This work is licensed under a Creative Commons Attribution 4.0 International License.

Structural, Magnetic, Resistivity and Magnetoresistance Studies on Sr2-xBaxFeMoO6 (x = 0, 1 and 2) Double Perovskites

https://doi.org/10.14233/ajchem.2025.33839
A. Manjula Devi
Department of Physics, A.V. College of Arts, Science and Commerce, Gaganmahal, Hyderabad-500029, India; Department of Physics, GITAM School of Technology, Hyderabad-502329, India
Y. Markandeya
Department of Physics, Nizam College, Osmania University, Hyderabad-500001, India
G. Rajender
Department of Physics, Osmania University, Hyderabad-500007, India
R. Balaji Rao
Department of Physics, GITAM School of Technology, Hyderabad-502329, India

Corresponding Author(s) : A. Manjula Devi

manjula.aruva@gmail.com

Asian Journal of Chemistry, Vol. 37 No. 7 (2025): Vol 37 Issue 7, 2025

Abstract

Double perovskite Sr2-xBaxFeMoO6 (x = 0, 1 and 2) (SBFMO) materials were synthesized by sol-gel technique in the presence of H2/Ar atmosphere at 1050 ºC. From X-ray analysis, it was observed that these double perovskite SBFMO materials crystallized in tetragonal structure for the composition x = 0 and, in cubic structure for composition x = 1 and 2. The coercivity (Hc), saturation magnetization (Ms) and remanent magnetization (Mr) of SBFMO samples were evaluated from magnetic measurements. The variation in electrical resistivity (ρ) within the temperature range of 5-300 K was done, by which semiconductor to metallic transformation has been detected in SBFMO sample. The Magnetoresistance (MR, %) was assessed with changes in temperature and magnetic field, revealing that the MR (%) values of SBFMO samples differ from the composition x = 1.

Keywords

Double perovskite Sol-gel Crystal structure Magnetization Magnetoresistance
(1)
Manjula Devi, A.; Markandeya, Y.; Rajender, G.; Rao, R. B. Structural, Magnetic, Resistivity and Magnetoresistance Studies on Sr2-XBaxFeMoO6 (x = 0, 1 and 2) Double Perovskites. ajc 2025, 37, 1629-1635.
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