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Structural, optical and magnetic properties of perovskite (La1−x Sr x )(Fe1−x Ni x )O3, (x = 0.0, 0.1 & 0. 2) nanoparticles

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Abstract

Nanoparticles (NPs) of (La1−x Sr x )(Fe1−x Ni x )O3, (x = 0.0, 0.1 & 0.2) with orthorhombic perovskite structure was successfully prepared through the sol-gel combustion method. The structural, optical and magnetic properties of the NPs were studied by x-ray diffraction (XRD), scanning electron microscopy (SEM) equipped with an energy dispersive x-ray spectrometer (EDS), UV-Vis. Spectrometer and magnetization measurements. The crystallite size was estimated from x-ray diffraction (XRD) patterns, which decreases with increase in Sr and Ni contents and SEM images exhibit formation of agglomerated NPs for pure and doped samples. The absorbance has a tendency to increase with the increase in dopant concentration and band gap increases with Sr and Ni contents. Magnetization measurement revealed ferromagnetic nature of all samples at room temperature.

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Authors and Affiliations

  1. Centre of Excellence in Materials Science (Nanomaterials), Department of Applied Physics, Z.H. College of Engg. & Tech., Aligarh Muslim University, Aligarh, 202 002, India

    Abdullah A. Saad, Wasi Khan & A. H. Naqvi

  2. Department of Physics, Himachal Pradesh University, Shimla, 171 005, India

    Pooja Dhiman & M. Singh

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  1. Abdullah A. Saad
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  2. Wasi Khan
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  3. Pooja Dhiman
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  4. A. H. Naqvi
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  5. M. Singh
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Correspondence to Wasi Khan.

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Saad, A.A., Khan, W., Dhiman, P. et al. Structural, optical and magnetic properties of perovskite (La1−x Sr x )(Fe1−x Ni x )O3, (x = 0.0, 0.1 & 0. 2) nanoparticles. Electron. Mater. Lett. 9, 77–81 (2013). https://doi.org/10.1007/s13391-012-2103-1

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  • DOI: https://doi.org/10.1007/s13391-012-2103-1

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