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CsI(Na) Scintillator

Advantage：

1.High Gamma ray stopping power

2.High density and atomic number

3.Well-suited for well logging, space research and other harsh environment applications

4.High energy resolution

5.Energy spectrum analysis

6.Match PMT well

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Description Related Products

CsI(Na) is another widely used material nowadays. It’s High light output (85% of NaI(TI)), emission in the blue spectral region (in coincidence with the maximum sensitivity range of the most popular PMT with bialkali photocathodes). Lower hygroscopicity in comparison with NaI(TI) to make this material alternative for NaI(TI) in many standard applications. The temperature dependence of light output can be 80°C max. The decay time of CsI(Na) depends on the dopant concentration, it’s an excellent material in oil logging industry.

Properties:

Density（g/cm³）

4.51

Melting Point (K)

894

Thermal Expansion Coefficient(K^-1)

54 x 10^-6

Cleavage Plane

None

Hardness (Mho)

2

Hygroscopic

Yes

Wavelength of Emission Maximum(nm)

420

Lower Wavelength Cutoff (nm)

300

Refractive Index at Emission Maximum

1.84

Primary Decay Time (ns)

630

Light Yield (photons/keV)

38-44

Photoelectron Yield [% of NaI(Tl)] (for γ-rays)

85

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Density（g/cm³）	4.51
Melting Point (K)	894
Thermal Expansion Coefficient(K^-1)	54 x 10^-6
Cleavage Plane	None
Hardness (Mho)	2
Hygroscopic	Yes
Wavelength of Emission Maximum(nm)	420
Lower Wavelength Cutoff (nm)	300
Refractive Index at Emission Maximum	1.84
Primary Decay Time (ns)	630
Light Yield (photons/keV)	38-44
Photoelectron Yield [% of NaI(Tl)] (for γ-rays)	85