Editorial Feature

Samarium Oxide (Sm2O3) Nanoparticles – Properties, Applications

Nanoparticle research has discovered a number of novel solutions in the field of cosmetics, ceramics, electronics, optics and biomedicine. This article will elaborate on the properties and applications of samarium oxide nanoparticles.

Samarium oxide (Sm2O3) nanoparticles, popularly known as SM-MITE powders, are available in coated and hydrophilic forms. Samarium belongs to Block F, Period 6 while oxygen belongs to Block P, Period 2 of the periodic table.

Chemical Properties

The following tables list the chemical properties of samarium oxide.

Chemical Data
Chemical symbol Sm2O3
CAS No 12060-58-1
Group Samarium 3
Oxygen 16
Electronic configuration Samarium [Xe]4f6 6s2
Oxygen [He] 2s2 2p4
Chemical Composition
Element Content (%)
Samarium 86.23
Oxygen 13.75

Physical Properties

Samarium oxide nanoparticles appear in the form of a pale yellow powder. The table below provides the physical properties of these nanoparticles.

Properties Metric Imperial
Density 8.43 g/cm3 0.304 lb/in3
Molar Mass 351.82 g/mol -

Thermal Properties

The thermal properties of samarium oxide nanoparticles are given in the table below:-

Properties Metric Imperial
Melting Point 2335°C 4235°F
Boiling Point 4118°C 7444°F


The following are the chief applications of samarium oxide:

  • Making of high permitivity ceramics that are used for dielectric resonators and substrates
  • Manufacture of capacitors, gas sensors and structural and shielding parts used in nuclear piles
  • Solid state electrolyte in carbon dioxide gas sensors
  • Making of CeO2-Sm2O3 composites used in solid oxide fuel cells (SOFC).

Source: AZoNano

Tell Us What You Think

Do you have a review, update or anything you would like to add to this article?

Leave your feedback
Your comment type

While we only use edited and approved content for Azthena answers, it may on occasions provide incorrect responses. Please confirm any data provided with the related suppliers or authors. We do not provide medical advice, if you search for medical information you must always consult a medical professional before acting on any information provided.

Your questions, but not your email details will be shared with OpenAI and retained for 30 days in accordance with their privacy principles.

Please do not ask questions that use sensitive or confidential information.

Read the full Terms & Conditions.