Nickel Iron Oxide / Nickel Ferrite (NiFe2O4) Nanoparticles - Properties, Applications

Topics Covered

Chemical Properties
Physical Properties


Nanoparticles structures with sizes in the nanometer range, and a spherical or other simple morphology.

This article discusses the properties and applications of nickel iron oxide nanoparticles. Nickel is a Block D, Period 4 element, iron is a Block D, Period 4 element, and oxygen is a Block P, Period 2 element. Nickel iron oxide nanoparticles appear as brown spherical high surface area metal particles. They are graded as toxic.

Chemical Properties

The chemical properties of nickel iron oxide nanoparticles are outlined in the following table.

Chemical Data
Chemical symbol NiFe2O4
CAS No. 12168-54-6
Group Nickel 4
Iron 8
Oxygen 16
Electronic configuration Nickel [Ar]3d8 4s2
Iron [Ar] 3d6 4s2
Oxygen [He] 2s2 2p4
Chemical Composition
Element Content (%)
Nickel 25.0
Iron 47.7
Oxygen 19.7

Physical Properties

The physical properties of nickel iron oxide nanoparticles are given in the following table.

Properties Metric Imperial
Density 5.368 g/cm3 0.193 lb/in3
Molar mass 234.38 g/mol -


The key applications of nickel iron oxide nanoparticles are as follows:

  • Repulsive suspension for levitated railway systems
  • In preparation of nickel cermet for the anode layer of solid oxide fuel cells
  • High-density magnetic recording media
  • Magnetic refrigeration
  • As a catalyst, magnetic liquid, and microwave absorbers
  • In lithium nickel iron oxide cathodes for lithium ion microbatteries
  • In electrochromic coatings, plastics and textiles
  • In nanowires, nanofibers and specific alloy and catalyst applications.

Source: AZoNano


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