Gadolinium Oxide Gd2O3

Product Properties

Product:Gadolinium Oxide 
Formula: Gd2O3
CAS No.: 12064-62-9
Purity:99.999%(5N), 99.99%(4N),99.9%(3N) (Gd2O3/REO)
Molecular Weight: 362.50
Density: 7.407 g/cm3
Melting point: 2,420° C
Appearance: White powder

Specification of Gadolinium Oxide 

 
Gd2O3 /TREO (% min.)99.999999.99999.9999.9
TREO (% min.)99.5999999
Loss On Ignition (% max.)0.50.511
Rare Earth Impuritiesppm max.ppm max.ppm max.% max.
La2O3/TREO
CeO2/TREO
Pr6O11/TREO
Nd2O3/TREO
Sm2O3/TREO
Eu2O3/TREO
Tb4O7/TREO
Dy2O3/TREO
Ho2O3/TREO
Er2O3/TREO 
Tm2O3/TREO
Yb2O3/TREO
Lu2O3/TREO
Y2O3/TREO		0.2
0.5
0.5
0.5
0.5
2.0 
3.0
0.5
0.2
0.2
0.2
0.2
0.3
0.5		1
1
1
1
5
5
5
1
1
5
1
1
1
2		5
10
10
10
30
30
10
5
5
5
5
5
5
5		0.005
0.005
0.005
0.005
0.005
0.043
0.01
0.005
0.005
0.025
0.01
0.01
0.005
0.03
Non-Rare Earth Impuritiesppm max.ppm max.ppm max.% max.
Fe2O3
SiO2
CaO
CuO
PbO
NiO
Cl-		2
10
10		3
50
50
3
3
3
150		5
50
51
5
5
10
200		0.015
0.015
0.052
0.001
0.001
0.001
0.051

 

Application of Gadolinium Oxide 

  • MRI Contrast Agents: Gadolinium oxide is used in the manufacturing of contrast agents for magnetic resonance imaging (MRI). When gadolinium is incorporated into contrast agents, it enhances the contrast of the images, providing clearer and more detailed visuals of tissues and organs, which is crucial for accurate diagnosis.
  • Nuclear Reactors: Due to its high neutron absorption cross-section, gadolinium oxide is utilized in nuclear reactors as a control material. It helps in regulating the nuclear fission process, ensuring the reactor operates safely and efficiently.
  • Phosphors: Gadolinium oxide is used in the production of phosphors that are essential for fluorescent lamps, cathode-ray tubes, and advanced display technologies. It can be doped with various elements to emit light at different wavelengths, contributing to the wide color gamut in displays and lighting applications.
  • Optical Coatings: In photonics, gadolinium oxide films are applied as optical coatings on lenses and other components to enhance their performance in laser systems and optical communications.
  • Specialty Glass and Ceramics: Gadolinium oxide is added to certain types of ceramics and glass to improve their thermal and mechanical properties. This is particularly beneficial in applications requiring materials that can withstand high temperatures and mechanical stress, such as in aerospace and defense.
  • Electrolytes: Gadolinium oxide is used in the fabrication of electrolytes for solid oxide fuel cells. These fuel cells convert chemical energy into electrical energy efficiently, and gadolinium-doped ceria (GDC) is a common electrolyte material that offers excellent ionic conductivity at lower temperatures compared to traditional SOFC electrolytes.