5.1 Lattice Properties

Both lead telluride and tin telluride are polar semiconductors [187] and crystallize in the rock-salt (NaCl) structure [188]. The melting temperatures for PbTe and SnTe are $1197\,\ensuremath{\mathrm{K}}$ and $1078\,\ensuremath{\mathrm{K}}$ , respectively [189]. At high pressures, PbTe recrystallizes in an orthorhombic structure [190], as transists SnTe to at temperatures lower than $100\,\ensuremath{\mathrm{K}}$ [191].

Subsections

• 5.1.1 Lattice Constant, Thermal Expansion, and Mass Density
• 5.1.2 Dielectric Constant
• 5.1.3 Elastic Moduli and Sound Velocities

M. Wagner: Simulation of Thermoelectric Devices