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BaF2 Scintillator Crystal

  • Sub-nanosecond decay time
  • Low absorption at emission wavelength
  • Slightly hydroscopic
  • Maximum size: φ120mm x 200mm
  • Applications: Positron Lifetime Studies, Time of Flight measurements, Positron Emission Tomography (PET), High Energy Physics
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Basic Properties:

Density(g/cm3) 4.88 Melting Point (K) 1627
Cleavage Plane <111> Hardness(Mohs) 3
Hygroscopic Slightly Refractive Index 1.54(220nm)
Emission Peak (nm) 310/220 Lower Wavelength Cutoff (nm) 135
Decay Time (ns) 630(slow)/0.6-0.8(fast) Light Yield (photons/Kev) 10(slow)/1.8(fast)
Photoelectron Yield (% of NaI(Tl)) 16(slow)/3(fast)              Growth Method:                          Bridgman

Barium fluoride (BaF2) is a scintillator showing two wavelengths of emission peak at 310 nm and 295 nm. The emission at 220nm has an emission with sub nanosecond decay time which is interesting for timing applications. It is used as the fast timing for: Positron Lifetime Studies, Time of Flight measurements, Positron Emission Tomography (PET) and Certain High-energy Physics Applications.

Hangzhou Shalom EO offers the customized BaF2 scintillators upon customer's request, largest size available is up to  φ120mm x 200mm. 


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