Gadolinium oxyorthosilicate

Gadolinium oxyorthosilicate
Names
	IUPAC name dioxido(oxo)silane;gadolinium(3+);oxygen(2-)
	Other names Gadolinium(III) oxyorthosilicate;
Identifiers
CAS Number	12207-95-3 ;
3D model (JSmol)	Interactive image;
ChemSpider	57449448;
EC Number	235-386-1;
PubChem CID	44150499;
CompTox Dashboard (EPA)	DTXSID60924071;
	InChI InChI=1S/2Gd.O3Si.2O/c;;1-4(2)3;;/q2+3;3-2 Key: XEVCWPDRHSBFQW-UHFFFAOYSA-N;
	SMILES [O-2].[O-2].[O-][Si](=O)[O-].[Gd+3].[Gd+3];
Properties
Chemical formula	Gd2O5Si
Molar mass	422.58 g·mol−1
Density	6.7 g/cm3
Melting point	1,900 °C (3,450 °F; 2,170 K)
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Infobox references

Gadolinium oxyorthosilicate (known as GSO) is a type of scintillating inorganic crystal used for imaging in nuclear medicine and for calorimetry in particle physics.^[1]

The formula is Gd₂SiO₅. Its main properties are shown below:

References

^ Suzuki, H.; Tombrello, T. A.; Melcher, C. L.; Peterson, C. A.; Schweitzer, J. S. (1994-08-01). "The role of gadolinium in the scintillation processes of cerium-doped gadolinium oxyorthosilicate". Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. 346 (3): 510–521. Bibcode:1994NIMPA.346..510S. doi:10.1016/0168-9002(94)90586-X. ISSN 0168-9002.