Strontium Iodide (Eu) - SrI2(Eu) - scintillation crystal
Strontium Iodide (Eu) - SrI2(Eu) - scintillation crystals offers extremely high optical outputs and enable detection of gamma-rays over a very broad range of energies and with with spectral resolutions of c.4% (FWHM).


SrI2(Eu) scintillator crystal strengths:
  • Extremely high light output
  • Excellent performance at both high and low energies and linearity
  • Inherent low background radiation


SrI2(Eu) scintillator crystals - issues to be aware of:
  • Hygroscopic with encapsulation needed
  • Crystals only available in relatively small sizes


SrI2(Eu) scintillator crystals - SrI2(Eu) - are useful and proven scintillators for applications such as:
  • Hand-held radiation detection instruments
  • Medical, industrial and environmental
SrI2(Eu) Scintillation Crystals
- Properties -
SrI2(Eu) Scintillator Emission Spectrum
SrI2(Eu) Mass Attenuation Coefficients
SrI2(Eu) Scintillation Crystals
- Optical Properties -
Property Units Value
Wavelength (Max. Emission) nm 435
Wavelength Range nm TBA
Decay Times ns 1200
Light Yield photons/keV 115
Photoelectron Yield % of NaI(Tl) 130
Afterglow % TBA @ 6ms
Radiation Length cm 1.95
Optical Transmission µm TBA
Transmittance % TBA
Refractive Index 2.16
Reflection Loss/Surface % 2.05 @ 435nm
Neutron Capture Cross-section barns TBA
SrI2(Eu) Scintillation Crystals
- Mechanical Properties -
Property Units Value
Chemical Formula SrI2(Eu)
Density g/cm³ 4.55
Atomic Number (Effective) 49
Melting Point ºK 538
Linear Expansion Coeff. C⁻¹ TBA x 10‾⁶
Thermal Conductivity Wm⁻¹K⁻¹ TBA
Crystal Structure Orthothombic
Hardness Mho TBA
Hygroscopic Yes
Solubility g/100gH₂0 TBA
SrI2(Eu) Scintillation Crystals
- Further Reading/Publications -
SrI2(Eu) Scintillation Crystals
- Sizes -
Diameters:
25 mm max.
Lengths:
50 mm max.