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BaF2 Scintillator

Advantage：

1.Fastest decay time

2.Non Hygroscopic

3.Optical property

4.High transmittance

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Description Related Products

BaF₂ shows good optical transmission over wide spectrum range, which can be used as UV-IR windows in 0.15μm~12.5μm. It also presents excellent scintillation properties, which is widely used in high energy physics, nuclear physics and nuclear medical instruments, and etc. It is regarded as the fastest scintillators so far. As the fast component can be used to measure time precisely and obtain good time resolution, it has been pursued as a promising scintillator in the research of positron annihilation. It shows excellent radiation hardness up to 106 rad or even more. All these properties make BaF₂ crystal’s application in nuclear detection involving very high counting rates and severe radiation.

Properties:

Transmission Range (μm)

0.15~12.5

Transmittance

＞90% （0.35~9μm，3mm）

Refractivity(2.58μm)

1.4626

Reflection Loss at 2.58μm

6.8%(both faces)

Radiation Length(cm)

2.06

Emission Peak (nm)

310(slow);220(fast)

Decay Time(ns)

620(slow);0.6(fast)

Light Output (Comparing NaI(Tl)）

20%(slow);4%(fast)

Knoop Hardness (kg/mm²)

82 with 500g indenter

Solubility at 23℃(g/100gH₂O)

0.17

Cleavage Plane

(111)

Density (g/cm³)

4.89

Melting Point (℃)

1280

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Transmission Range (μm)	0.15~12.5
Transmittance	＞90% （0.35~9μm，3mm）
Refractivity(2.58μm)	1.4626
Reflection Loss at 2.58μm	6.8%(both faces)
Radiation Length(cm)	2.06
Emission Peak (nm)	310(slow);220(fast)
Decay Time(ns)	620(slow);0.6(fast)
Light Output (Comparing NaI(Tl)）	20%(slow);4%(fast)
Knoop Hardness (kg/mm²)	82 with 500g indenter
Solubility at 23℃(g/100gH₂O)	0.17
Cleavage Plane	(111)
Density (g/cm³)	4.89
Melting Point (℃)	1280