Structural, optical and magnetic properties of vacuum annealed Fe, Mn doped NiO nanoparticles

Bayappagari, Balaraju; Kaleemulla, S.; Chakraborty, Deepannita; Kunapalli, Chaitanya Kumar

doi:10.1007/s00339-020-04161-6

Cited by 6 publications

(1 citation statement)

References 35 publications

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“…Depending on the size of the nanoparticles, nickel oxide (NiO) with a Neel temperature of 523 K shows varied magnetic characteristics such as ferromagnetism, antiferromagnetism, and superparamagnetism [12]. Nickel oxide (NiO) is a transition metal oxide with cubic crystal structure and p-type conductivity with a direct wide band gap in the range of (3.6 to 4.0) eV [8].…”

Section: Introductionmentioning

confidence: 99%

Investigating the Structural and Magnetic Properties of Nickel Oxide Nanoparticles Prepared by Precipitation Method

Hadi

Saadi

2022

IHJPAS

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This work used the deposition method to synthesize nickel oxide nanoparticles. The materials mainly used in this study were nickel sulfate hexahydrate (as a precursor) and NaOH (as a precipitant). The properties of the nanopowder were characterized by XRD, FE-SEM, EDX, and VSM. The obtained results confirmed the presence of nickel oxide nanoparticles with a face-centered cubic (FCC) structure with a lattice constant (a=4.17834 Å). Scherer and Williamson-Hall equations were used to calculate the crystallite size of about (30.5-35.5) nm. The FE-SEM images showed that the particle shape had a ball-like appearance with a uniform and homogeneous distribution and confirmed that the particles were within the nanoscale. The presence of oxygen and nickel atoms was confirmed by the EDX test. The magnetic properties results showed that nanoNiO had a narrow hysteretic loop. It consumed the least amount of energy and, therefore, can be used as a core for electric motors and transformers.

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Section: Introductionmentioning

confidence: 99%