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Lead Telluride Evaporation Material (PbTe)

Lead Telluride Evaporation Material (PbTe)
Material Type Lead Telluride
Symbol PbTe
Color/Appearance gray cubic crystals.
Melting Point (°C) 917
Theoretical Density (g/cc) 8.16
Z Ratio 0.651
E-Beam -
Thermal Evaporation Techniques Boat:  Mo, Pt, Ta
Crucible:  Al2O3, Gr
E-Beam Crucible Liner Material -
Temp. (°C) for Given Vap. Press. (Torr) 10-8:  780
10-6:  910
10-4:  1,050
Comments Deposits are Ta rich. Sputtering preferred.

General

Lead telluride is a compound of lead and tellurium (PbTe). It crystallizes in the NaCl crystal structure with Pb atoms occupying the cation and Te forming the anionic lattice. It is a narrow gap semiconductor with a band gap of 0.32 eV. It occurs naturally as the mineral altaite.

Material Notes

AEM Deposition provides Lead Telluride pellets, Lead Telluride pieces, and Lead Telluride powder for sale, purity is 99.99%, 99.999%.

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