Nickel Iron Oxide (NiFe₂O₄) Nanopowder/Nanoparticles
Purity: 99.5+%, Size: 20 nm
Technical Properties
| Property | Value |
|---|---|
| Purity (%) | 99.5+ |
| Grain Size (nm) | 20 |
| Surface Area (m²/g) | 20–50 |
| Morphology | Spherical |
| Appearance | Fine Black Powder |
Applications
Nickel Iron Oxide (NiFe₂O₄) Nanopowder, a soft magnetic spinel ferrite, exhibits high electrical resistivity, moderate saturation magnetization, chemical stability, and excellent catalytic activity. Its nanoscale morphology and tunable magnetic properties make it a multifunctional material across electronics, catalysis, energy, and biomedical domains. Key application areas include:
Catalysis & Chemical Processing: Used as a catalyst or catalyst support in oxygen evolution reactions (OER), hydrogen evolution reactions (HER), and organic pollutant degradation. NiFe₂O₄ nanoparticles are widely employed in photocatalytic and electrocatalytic systems for water splitting, dye degradation, and green chemical synthesis.
Magnetic & Electronic Devices: Applied in magnetic sensors, inductors, and transformer cores due to soft magnetic behavior and low eddy current losses. Its high electrical resistivity supports use in high-frequency electronic components and microwave devices.
Energy Storage & Conversion: Integrated into lithium-ion and sodium-ion battery electrodes to enhance charge capacity and cycling stability. Also used in supercapacitors and hybrid energy systems for improved electrochemical performance and durability.
Biomedical Applications & Imaging: Explored for magnetic hyperthermia, MRI contrast agents, and targeted drug delivery. Its biocompatibility and magnetic responsiveness enable controlled therapeutic release and non-invasive imaging.
Environmental Remediation & Sensing: Employed in gas sensors, pollutant adsorption systems, and photocatalytic water purification. NiFe₂O₄’s surface activity and magnetic separability support efficient removal of heavy metals, dyes, and VOCs from air and water.
Microwave Absorption & EMI Shielding: Used in electromagnetic interference (EMI) shielding materials and microwave absorbers. Its dielectric and magnetic loss characteristics enable effective attenuation of high-frequency signals.
Nanotechnology & Smart Coatings: Incorporated into multifunctional coatings, magnetic inks, and nanocomposites. Its nanoscale structure and magnetic behavior support adaptive surfaces, responsive materials, and advanced functional layers.
