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Lead Fluoride (PbF2) |
| Lead Fluoride has little optical application. Lead Fluoride has been used as a scintillator material as it has excellent stopping power for gamma rays. |
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Product Data |
| 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.
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Refractive Index |
| µm |
No |
µm |
No |
µm |
No |
| 0.3 |
1.93665 |
0.4 |
1.81804 |
0.5 |
1.78220 |
| 0.6 |
1.76489 |
0.7 |
1.75502 |
0.8 |
1.74879 |
| 0.9 |
1.74455 |
1.0 |
1.74150 |
3.0 |
1.72363 |
| 5.0 |
1.70805 |
7.0 |
1.68544 |
9.0 |
1.65504 |
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Product Notes |
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:
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Data provided is extracted from our technical handbook of materials. While every attempt has been made to verify the source of the information, Crystran Ltd accept no responsibility for accuracy of data |
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