May 9 2013
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 |
Applications
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