YAP(Ce) Scintillator Crystal

YAP(Ce) Scintillation Crystals

Yttrium Aluminium Perovskite (Cerium) - YAP(Ce) YAlO₃:Ce - is fast, mechanically robust scintillator with relatively high brightness.

YAP(Ce) scintillator crystal strengths:

  • Fast with a decay time of 28ns
  • Good stopping power with a density of 5.37 g/cm³
  • Good performance at high temperatures, -0.01%/°C
  • Mechanically robust characteristics and are non-hygroscopic
  • No cleavage planes, so can be easily machined into various shapes and geometries

YAP(Ce) scintillator scintillator crystals, issues to be noted:

  • TBA

Yttrium Aluminium Perovskite (Cerium) - YAP(Ce) - scintillator crystals are useful in diverse applications such as:

  • Medical imaging
  • Geological logging
  • Specialist applications in high energy, nuclear, space and medical physics

YAP(Ce) Scintillation Crystals - Optical Properties

Property Units Value
Wavelength (Max. Emission) nm 370
Wavelength Range nm TBA
Decay Times ns 28
Light Yield photons/keV 25
Photoelectron Yield % of NaI(Tl) 60 - 70
Afterglow % <0.005 @ 6ms
Radiation Length cm 2.7 @ 511keV
Optical Transmission µm TBA
Transmittance % TBA
Refractive Index 1.95 @370nm
Reflection Loss/Surface % TBA
Neutron Capture Cross-section barns TBA

YAP(Ce) Scintillation Crystals - Mechanical Properties

Property Units Value
Chemical Formula YAlO₃:Ce
Density g/cm³ 5.37
Atomic Number (Effective) 36
Melting Point ºK 1875
Thermal Expansion Coeff. C⁻¹ 4 -11x 10⁻⁶
Cleavage Plane None
Hardness Mho 8.5
Hygroscopic No
Solubility g/100gH₂0 N/A
YAP(Ce) Scintillator Emission Spectrum

Further Reading/Publications

Sizes

Property Value
Diameters 80mm max.
Lengths 200 mm max.
Thin Sections - minimum thicknesses:
  • Free Standing: 0.2mm (Diameters <100mm), 0.1mm (Diameters <50mm)
  • Ring - Edge Mounted: 0.05mm (Diameters <50mm), 0.02mm (Diameters <10mm)
  • Substrate Mounted: 0.01mm (Diameters <40mm), 0.005mm (Diameters <30mm)

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