Influence of Zn-Zr substitution on the crystal chemistry and magnetic properties of CoFe2O4 nanoparticles synthesized by sol-gel method

Desai, S.S.; Shirsath, Sagar E.; Batoo, Khalid Mujasam; Adil, Syed Farooq; Khan, Mujeeb; Patange, S.M.

doi:10.1016/j.physb.2020.412400

Cited by 10 publications

(2 citation statements)

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“…The highest lattice parameter with the least crystallite size and such parameters impact not only the structure but also the magnetic and electrical properties. The lattice constants (a) of the samples were calculated using standard relation (21) ,…”

Section: X-ray Diffraction Studiesmentioning

confidence: 99%

“…The non-magnetic Cu resides in a tetrahedral (A) site whose doping can modify the structural, electrical, and magnetic properties (5)(6)(7) . Doping of Al (8,9) , Ge (10) , Cu (11) , Ni (12) , Cr (13) , Sm-Gd (14) , Ce-Gd (15) on magnesium ferrite and their effects on the electrical, dielectric and magnetic properties were studied (16)(17)(18) . However, solid-state synthesis was rarely used, which has a different impact on the sample size (19) .…”

Section: Introductionmentioning

confidence: 99%

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Effect of Cu2+ substitution on structure, morphology, and magnetic properties of Mg-Zn spinel ferrite

Komali¹,

Murali²,

Parajuli³

et al. 2021

IJST

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Objective: To prepare Cu doped Mg 0.5−x Cu x Zn 0.5 Fe 2 O 4 (x = 0.0, 0.05, 0.1, 0.15, 0.2 and 0.25) spinel ferrites materials and study the structure, morphology, and magnetic properties. Methods: Cu doped Mg-Zn spinel ferrites are magnetic and highly resistive materials. They were synthesized by the method of solid-state reaction and characterized by x-ray diffraction (XRD), field effect scanning electron microscopy (FESEM), Fourier transform infrared (FTIR), and vibrating sample magnetometer (VSM) for their structural, compositional, morphological, functional properties. They are with spinel structure under Fd-3m space group. Their crystallite size was 44.58 nm to 31.02 nm range after calcined at 1000 o C. Their spinel structure was confirmed with FT-IR analysis, whose absorption bands were 598.84 -580.40 cm -1 and 405.35 -402.15 cm -1 range for higher and lower frequency, respectively. The value of coercivity is in the range 146.33 -9.427 Oe with the variation of content. The lower values of the coercivity indicated the soft ferrimagnetic nature of the synthesized materials. Findings/ Application: Substitution of non-magnetic Cu 2+ ions strongly influenced the structural and magnetic properties of magnesium ferrites.

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Section: X-ray Diffraction Studiesmentioning

confidence: 99%