Strontium Iron Oxide, Strontium Ferrite (SrFe12O19) Nanoparticles – Properties, Application

Topics Covered

Chemical Properties
Physical Properties
Thermal Properties


Research in the field of nanoparticles has yielded a number of novel solutions in ceramics, cosmetics, biomedicine and electronics. Nanoparticles exhibit unexpected behavior when the atomic and molecular properties of the basic elements are altered. This article deals with the properties and applications of strontium iron oxide nanoparticles.

Strontium iron oxide (SrFe12O19) nanoparticles are oxide magnetic nanostructures that have a high surface area. They are also available in the form of nanofluids and nanodots. Strontium iron oxide particles are also known as strontium dodecairon nonadecaoxide and strontium ferrite. Strontium belongs to Block S, Period 5 and iron to Block D, Period 4 and oxygen to the Block P and Period 2 of the periodic table.

Chemical Properties

The chemical properties of strontium iron oxide are given in the table below.

Chemical Data
Chemical symbol SrFe12O19
CAS No 12023-91-5
Group Strontium 2
Iron 8
Oxygen 16
Electronic configuration Strontium [Ar] 3d6 4s2
Iron [Ar] 3d64s2
Oxygen [He] 2s2 2p4
Chemical Composition
Element Content (%)

Physical Properties

Strontium iron oxide appears in the form of a black powder, with a polyhedral morphology.

The physical properties of strontium iron oxide are provided in the table below.

Properties Metric Imperial
Density 5.3 g/cm3 0.191 lb/in3
Molar Mass 103.61 -

Thermal Properties

The thermal properties of strontium iron oxide are given below.

Properties Metric Imperial
Melting Point >450°C >842°F


Given below are some of the chief applications of strontium iron oxide nanopowder:

  • Strontium is used as an additive to flares, pyrotechnics
  • Provides high refractive index to glass

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