Abstract
A sonochemical reactor was used to synthesize Mn0.5Cu0.5LaxFe2−xO4 (x = 0.025, 0.050, 0.075, and 0.100) nanoferrites. The structural, electrical, and magnetic properties were investigated for the samples using X-ray diffraction and vibrating sample magnetometer, and electrochemical impedance spectroscopy. The hysteresis analysis also reveals a unique soft ferromagnetic behavior for the studied nanoferrites. The doping of La3+ in Mn0.5Cu0.5LaxFe2-xO4 increases the bandgap energy, dielectric constant and coercivity while the field of saturation magnetization decreases. Reflection loss measurement reveals that these ferrites could be used as radiation absorption material in the X-band and Ku-band frequency.
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