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Lutetium Oxyorthosilicate - Lu₂SiO₅(Ce) - is a relatively dense scintillator with a fast decay time (40ns).

It is similar in performance to BGO but with a higher light yield.


LSO(Ce) scintillator crystal strengths:



LSO(Ce) scintillator crystals have the following issues which should be noted:



Lutetium Oxyorthosilicate (Ce) - LSO(Ce) scintillator crystals are useful in diverse applications such as:







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LSO(Ce) Lutetium Oxyorthosilicate (Ce)


Properties

Optical/Scintillation

Units

Value

Wavelength (Max. Emission)

nm

420

Wavelength Range

nm

TBA

Decay Time

ns

40

Light Yield

photons/keV

30

Photoelectron Yield

% of NaI(Tl)

75

Radiation Length

cm

1.14

Optical Transmission

µm

TBA

Transmittance

%

TBA

Refractive Index


1.82 @420nm

Reflection Loss/Surface

%

TBA

Neutron Capture Cross-section

barns

TBA

LSO(Ce) Scintillation Crystals - Sizes


LSO(Ce) Scintillation Crystal - Properties


Diameters:  Up to TBA mm

Lengths:      Up to TBA mm






Properties

Mechanical

Units

Value

Density

g/cm³

7.4

Atomic Number (Effective)


75

Melting Point

ºC

2050

Thermal Expansion Coeff.

C⁻¹

TBA x 10‾⁶

Cleavage Plane


None

Hardness

Mho

5.8

Hygroscopic


No

Solubility

g/100gH0

N/A

Further Reading / Publications (Click for links)