Gadolinium Fluoride GdF3

Product Properties

Name: Gadolinium Fluoride
Formula: GdF3
CAS No.: 13765-26-9
Molecular Weight: 214.25
Density: 7.1 g/cm3
Melting point: 1231 °C
Appearance: White powder

Specification of Gadolinium Fluoride

 
Gd2O3 /TREO (% min.)99.99999.9999.999
TREO (% min.)81818181
Rare Earth Impuritiesppm max.ppm max.% 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		1
1
1
1
5
5
5
1
1
5
1
1
1
5		5
10
10
10
30
30
20
5
5
5
5
5
5
5		0.005
0.005
0.005
0.005
0.021
0.05
0.01
0.01
0.005
0.005
0.001
0.001
0.001
0.032		0.01
0.011
0.01
0.01
0.1
0.1
0.05
0.05
0.051
0.01
0.01
0.01
0.01
0.05
Non-Rare Earth Impuritiesppm max.ppm max.% max.% max.
Fe2O3
SiO2
CaO
CuO
PbO
NiO
Cl-		3
50
50
3
3
3
150		5
50
50
5
5
10
200		0.003
0.015
0.05
0.002
0.001
0.001
0.6		0.005
0.03
0.06
0.003
0.003
0.065
1

 

Application of Gadolinium Fluoride

  • Laser Crystals: Gadolinium fluoride is used in the production of laser materials. Doped with certain rare earth elements, GdF3 crystals can produce efficient laser emissions at specific wavelengths. These materials are valuable in scientific research, medical applications, and telecommunications.
  • Neutron Moderators and Shields: Gadolinium fluoride, due to gadolinium’s high neutron absorption cross-section, is utilized as a neutron moderator and shielding material in nuclear reactors and neutron radiography setups. It helps in controlling the neutron flux, enhancing the safety and efficiency of nuclear operations.
  • Contrast Agents: While gadolinium fluoride itself is not directly used in MRI contrast agents, gadolinium-based materials derived from GdF3 are investigated for their potential to serve as efficient contrast agents in magnetic resonance imaging (MRI), improving the clarity and detail of MRI scans.
  • Fluorescent Lamps and Displays: Gadolinium fluoride can be used as a host material for phosphors in fluorescent lamps and display technologies. When doped with other rare earth elements, it can emit light at various wavelengths, contributing to the color and efficiency of these devices.
  • Specialty Glasses: Adding gadolinium fluoride to glass can improve its optical properties, making it suitable for specialized applications such as lenses that require specific refractive indices or enhanced transparency in the ultraviolet region.