Bismuth Germanate (BGO)
Bi4Ge3O12
A relatively hard, high density, non-hygroscopic crystal with good gamma ray absorption. Often used for PET imaging and high energy physics applications as Compton shields.
Cleavage Planes: None
Decay Constant (ns): 300
Density (g.cm-3): 7.13
Emission Spectral Range (nm): 350-650
Melting Point (K): 1323
Peak Scintillation Wavelength (nm): 480
Photons/MeV: 8500
Radiation Length (cm): 1.13
Refractive Index at Peak Emission: 2.15
Solubility (g/100g H2O @ 300K): Insoluble
Stability: Good
Structure: Cubic
Transmission Range (nm): 470-7500