Cerium-Doped Gadolinium-Aluminium-Gallium Garnet Crystal Description
The cerium-doped gadolinium-aluminium-gallium garnet crystal (Ce:GAGG) is a newly developed scintillator crystal used in single photon emission computed tomography (SPECT), gamma ray detection and Compton electron detection. It exhibits an emission peak at 520 nm.
This scintillator is produced as a single crystal. It offers a light yield, a density that supports effective radiation detection, an energy resolution meeting application requirements, and an emission peak that is well matched to silicon sensor detection. In addition, the material is non-hygroscopic and does not generate intrinsic radiation.
Cerium-Doped Gadolinium-Aluminium-Gallium Garnet Crystal Specification
Key Properties
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Chemical Formula
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Ce:Gd3Al2Ga3O12
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Density
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6.63 g/cm³
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Hardness
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8 Mohs
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Melting Point
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1850℃
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Ordering Number
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54.4
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Growth Method
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Czochralski
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Expansion Coefficient
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TBA*10-6
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Optical Properties
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Alignment
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<0.5°
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Thickness/Diameter Tolerance
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±0.05 mm
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Parallelism
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<30″
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Surface Quality
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10/5
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Squareness
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<15″
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Phase
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<0.1*45°
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Dimensions
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Max φ60 mm
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Cerium-Doped Gadolinium-Aluminium-Gallium Garnet Crystal Transmission Curve

Applications of Cerium-Doped Gadolinium-Aluminium-Gallium Garnet Crystal
The crystal is employed in single photon emission computed tomography (SPECT) as well as for gamma ray and Compton electron detection. Cerium-doped GAGG crystals exhibit properties that render them applicable for gamma spectroscopy and medical imaging. The emission peak at 520 nm facilitates readout with silicon photomultipliers (SiPM).
Cerium-Doped Gadolinium-Aluminium-Gallium Garnet Crystal Packaging
Our cerium-doped gadolinium-aluminium-gallium garnet crystal is managed under controlled conditions during storage and transportation to maintain its original quality.