Chemical Name: Samarium Oxide
Synonyms: Samarium(III) oxide
CAS No.: 12060-58-1
Molecular Formula: O3Sm2
Molecular Weight: 348.72
Appearance: Powder
Chemical Formula: Sm2O3
Molecular Weight: 348.72 g/mol
CAS Number: 12060-58-1
Appearance: Pale yellow to white powder
Melting Point: 2325°C
Density: 8.35 g/cm³
Solubility: Insoluble in water, soluble in acids
Grade | Purity | Particle Size | Key Applications |
---|---|---|---|
Industrial Grade | 99% - 99.5% | 15-25 µm | Glass additives, ceramics |
High-Purity Grade | 99.9% - 99.999% | 1-5 µm | Electronics, permanent magnets |
Nano Grade | ≥99% | <100 nm | Catalysts, advanced materials |
Property | Sm2O3 | Nd2O3 | Gd2O3 |
---|---|---|---|
Thermal Neutron Cross Section | 6,500 barns | 44 barns | 46,000 barns |
Magnetic Moment | 1.5 µB | 3.6 µB | 7.9 µB |
Dielectric Constant | 14-16 | 12-14 | 10-12 |
Sm2O3 enables production of SmCo magnets with operational temperatures up to 350°C, ideal for:
Neutron-absorbing concrete containing 2-5% Sm2O3 demonstrates:
Client: Ganzhou Ruihua Materials Co., Ltd.
Application: MLCC production using 99.999% Sm2O3
Results:
- 25% increase in capacitor energy density
- 15°C improvement in thermal stability
Client: Jiangxi Rare Earth Technologies
Application: Infrared-opaque armored glass
Results:
- 99.8% IR radiation blocking at 1.5 µm wavelength
- Maintained 92% visible light transmission
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