MarkeTech Yttrium aluminum perovskite:Cerium (YAP:Ce; YAlO 3 ) Scintillator Crystal

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MarkeTech Yttrium aluminum perovskite:Cerium (YAP:Ce; YAlO₃) Scintillator Crystal (discontinued **)
Categories:	Ceramic; Oxide
Material Notes:	Yttrium aluminum perovskite activated by cerium is a fast, mechanically strong and chemically resistant scintillation material. Mechanical properties enable precise machining and entrance windows can be made with a very thin aluminum layer deposited directly on the entrance surface of the crystal. YAP:Ce scintillators have very low energy secondary X-ray emissions which makes them desirable for imagining applications. YAP:Ce detectors are used for gamma and X-ray counting, electron microscopy, electron and X-ray imaging screens, and tomography systems. Data provided by MarkeTech International. MarkeTech International is no longer in business.
Key Words:	YAlO3
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Physical Properties	Original Value	Comments

Density	5.37 g/cc

Mechanical Properties	Original Value	Comments
Hardness, Mohs	8.6

Thermal Properties	Original Value	Comments
CTE, linear	4.00 - 11.0 µm/m-°C
Melting Point	1875 °C

Descriptive Properties
Crystal Structure	Rhombohedral
Hydroscopic?	No
Luminescence: Afterglow	<0.005%	at 6 ms
Luminescence: Decay Constant	25 n/s
Luminescence: Integrated Light Output	40	NaI:Tl = 100
Luminescence: Photon Yield	10	300K; 10³ pH/MeV
Luminescence: Radiation Length	2.7 cm
Luminescence: Wavelength of max emissions	370 nm

**
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C5MT838 / 120747

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