CaF2:Eu (Europium-doped Calcium Fluoride)

Crystals >>> Scintillating Crystal >>>  CaF2:Eu

Curopium-doped Calcium Fluoride Crystal, CaF2:Eu has low density, and low back scattering to charged particles and rays. So it is usually used for detecting β rays and low-energy γ rays. And it can also be used as optical switch together with NaI(Tl) crystal.

Red Optronics can supply BGO up to φ200100mm (cylinder).

Scintillation Properties  

Space group

Fm3m

Cleavage plane

(111)

Density (g.cm-3)

3.18

Melting point (C)

1360

Hardness (Mhos)

4

Hygroscopic

No

Radiation Length (cm)

3.05

Peak emission (nm)

435

Decay constant (ns)

940

Refractive index at emission maximum

1.44

Lower wavelength cutoff (nm)

395

Thermal expansion coefficient (10-6 K-1)

19.5

Afterglow (after 3ms) (%)

< 0.3

Light output relative to Nal(Tl) (%)

50

 

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