Gadolinium oxyorthosilicate


Gadolinium oxyorthosilicate is a type of scintillating inorganic crystal used for imaging in nuclear medicine and for calorimetry in particle physics.
The formula is Gd2SiO5.
Its main properties are shown below:
Density 6.7
Melting Point 1900
Radiation Length 1.38
Decay Constant 50-60
Light Yield 110
Index of Refraction1.87
Peak Excitation 350
Radiation Hardness >106
HygroscopicNo