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Browsing Physics by Author "Anam Anwer"

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    Structural and dielectric properties of MgFe2O4 nanoparticles prepared by hydrothermal method
    (UMT, Lahore, 2023) Anam Anwer
    Magnesium iron oxide nanoparticles have sparked the interest of scientists due to their possible applications in spintronic devices. The hydrothermal technique is used to prepare Magnesium iron oxide nanoparticles with varying molarity as 0.1M, 0.2M, 0.3M, 0.4M & 0.5M. The prepared samples are characterized by X-ray Diffractometer (XRD), Vibrating Sample Magnetometer (VSM) and Impedance Analyzer. Mixed phases of (MgFe2O4 + Fe2O3) are observed for 0.1M, 0.2M and 0.5M. Whereas, cubic MgFe2O4 phase is observed at molar concentration of 0.3M and 0.4M. The highest value of crystallite size i.e. 19.5 nm with lowest value of dislocation density and strain are observed for the pure magnesium iron oxide nanoparticles cubic phase at 0.4M. M-H loop exhibits the soft-ferromagnetic behavior for all the samples. Dielectric constant and tangent loss show normal dispersion behavior. Cole-Cole plots show single semicircle indicating high resistance of grain boundaries. The magnesium iron oxide nano powders can be used as potential candidate in spintronics and data storage devices.