Bi4Ge3O12 (BGO) 結晶
Now CASTECH can supply Bismuth germanate (Bi4Ge3O12) crystal.
BGO is an inorganic oxide with cubic eulytine structure, colorless, transparent and insoluble in water.
Because of its high stopping power, high photopeak efficiency, non-hydroscopic, low afterglow and easy to be fabricated,
BGO is a good scintillator material and has been found a wide applications in high energy physics, nuclear physics, space physics, nuclear medicine, geological prospecting and other industries.
Properties of CASTECH’s BGO crystal
| Crystal Structure | cubic |
|---|---|
| Density (g/cm3) | 7.13 |
| Melting point (℃) | 1045 |
| Hardness | 5 |
| Parameter of crystal cell (Å) | 10.518 |
| Refractive index | 2.15 |
| Radiation length (cm) | 1.1 |
| Peak of fluorescence spectra (nm) | 480 |
| Decay time (ns) | 300 |
| Relative light output (%) | 10-14 NaI(Tl) |
| Energy resolution (511 Kev,%) | 20 |
技術資料
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