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Lead Fluoride (PbF2)

♦ Lead Fluoride (PbF2) Data Sheet       ♦ Lead Fluoride (PbF2) MSDS

Lead Fluoride has little optical application. Lead Fluoride has been used as a scintillator material as it has excellent stopping power for gamma rays.

Transmission Range :250nm to 11 μm
Refractive Index :1.7808 @ 5 μm
Reflection Loss :12.8% @ 5 μm (2 surfaces)
Absorption Coefficient :0.018 cm-1 @ 4 μm
Reststrahlen Peak :n/a
dn/dT :n/a
dn/dμ = 0 :3.3 μm
Density :7.77 g cm-3 (1)
Melting Point :855°C
Thermal Conductivity :n/a
Thermal Expansion :29 x 10-6 K-1 @ 283K
Hardness :Knoop 200
Specific Heat Capacity :301 J Kg-1 K-1
Dielectric Constant :13 @ 1MHz
Youngs Modulus (E) :n/a
Shear Modulus (G) :n/a
Bulk Modulus (K) :n/a
Elastic Coefficients :C11=91, C12=46, C44=23
Apparent Elastic Limit :n/a
Poisson Ratio :n/a
Solubility :0.064 g/100g water at 20°C
Molecular Weight :245.21
Class/Structure :Cubic, CaF2, Fm3m, (111) cleavage

To download this data or our MSDS safety data sheet as a pdf, please click on the links at the top of the page.  To expand the transmission graphs, please click on the image.
µm   Noµm   Noµm   No
0.3   1.936650.4   1.818040.5   1.78220
0.6   1.764890.7   1.755020.8   1.74879
0.9   1.744551.0   1.741503.0   1.72363
5.0   1.708057.0   1.685449.0   1.65504

Lead fluoride has been grown by vacuum Stockbarger, but is not known to be in regular production. Crystran hold a very small stock of crystal ingot.

REFERENCES
(1) Crystran Data 
WEBLINKS:
Shanghai Institute - Growth and Scintillator Properties.