Nanjing Crylink Photonics Co.,Ltd
Growing crystal, Lingling Value.
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Yttrium aluminum perovskite activated by cerium is a fast(28 ns decay time), mechanically and chemically resistant scintillation material. These scintillators have very low energy secondary X-ray emission, which is of advantage in imaging applications. YAP:Ce detectors are used for gamma and X-ray counting, electron microscopy, electron and X-ray imaging screens. The materials scintillation and mechanical properties enable their use in tomography systems.
Features
Fine physical and chemical characteristics
Suitable for ultra-thin screen applications
Suitable for tomography systems
Fast decay time: 28 ns
High light output
Applications
CT
PET
Particle accelerator
SPECT
Physical and Chemical Properties
|
Property |
Ce:YAP |
|
Chemical composition |
YAlO3 |
|
Melting (℃) |
1875℃ |
|
Crystal structure |
Rhombic |
|
Structure |
Pnma |
|
Cell parameters() |
(a)5.329 |
|
Hardness |
8.6 |
|
Density(g/cm3) |
5.37 |
|
Thermal conductivity(W/℃cm,25℃) |
0.11 |
|
expanding coefficient(10-6/℃) |
(a)4.2 |
|
Refractive index(=1.079m) |
(na)1.931 |
Scintillation properties:
|
Emission peak (nm) |
360 |
|
Light yield (PhotonsMev-1) |
25000 |
|
Relative light output (%NaI:Tl) |
40 |
|
Decay time (ns) |
25-38 |
|
Energy resolution |
＜5% |
|
Zeff |
40 |
|
Afterglow (% after 6ms) |
<0.005 |
|
Polishing Specification for Laser Grade |
|
|
Orientation Tolerence |
<0.5° |
|
Thickness/Diameter Tolerance |
±0.05 mm |
|
Parallel |
10’’ |
|
Perpendicular |
5’ |
|
surface Quality |
10/5 |
|
Clear Aperture |
>90% |
|
Chamfer |
<0.2×45° |
|
Maximum dimensions |
Dia55mm |
Standard product
|
Dimensions, mm |
Decay time, ns |
Light yeild, photons/Mev |
Refractive Index |
|
5×5×0.5 |
< 40 |
25000 |
1.91 - 1.93 |
|
5×5×1 |
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10×5×0.5 |
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10×5×1 |
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10×10×0.5 |
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10×10×1 |
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25×25×0.5 |
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25×25×1 |
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|
dia5×0.5 |
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|
dia5×1 |
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|
dia10×0.5 |
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|
dia10×1 |