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   ICON BGO Scintillator, BGO Scintillation crystal
 
 
 
 

 

  • Good photopeak to Compton ratio
  • Scintillator of choice for neutron activation analysis and active Compton shield
  • High density
  •  
    Description  
     

    BGO (Bi4Ge3012) is an oxide type scintillation material. It has high atomic number and density. BGO has good property including strong mechanical strength, non-hygroscopic, no cleavage. Extreme high density 7.13 g /cm3 which makes these crystals very suitable for the detection of natural radioactivity.
    BGO detectors are characterized by high energy resolution in the energy range 5 - 20 MeV, a relatively short decay time. Its parameters remain stable up to the doses of 5 x 104 Gy. Due to these features, BGO crystals are used in high-energy physics, spectrometry and radiometry of gamma-radiation, positron tomography nuclear medical imaging industry.

    Properties:

    Density [g/cm3]
    7.13
    Melting point [K]
    1323
    Thermal expansion coefficient [C-1]
    7 x 10-6
    Cleavage plane
    none
    Hardness (Mho)
    5
    Hygroscopic
    no
    Wavelength of emission max. [nm]
    480
    Lower wavelength cutoff [nm]
    320
    Refractive index @ emission max
    2.15
    Primary decay time [ns]
    300
    Light yield [photons/keVγ]
    8-10
    Photoelectron yield [% of NaI(Tl)] (for γ-rays)
    15 - 20
    Temperature response
    -1.2%/C
    Neutron capture cross-section
    1.47b
    Afterglow @ 20ms
    150

     

     

     
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