Single Crystal: Tellurium (Te)

Single Crystal: Tellurium (Te)


Single Crystal Tellurium (Te)

Tellurium (Te) is a single crystal material that belongs to the family of elemental crystals. As a single crystal, it is composed of a single crystal with a regular arrangement of atoms.

Single crystals like tellurium have unique and ordered atomic structures, which give them unique physical properties such as high electrical conductivity, high thermal conductivity, and photoconductivity. These properties make tellurium useful in various applications, such as in thermoelectric devices, optoelectronic devices, and in the production of alloys.

In particular, tellurium has attracted interest due to its excellent properties for thermoelectric applications. Thermoelectric materials convert heat into electrical energy, and tellurium has a high thermoelectric figure of merit, which means that it is highly efficient at converting heat into electricity. This makes it suitable for use in various thermoelectric devices, such as power generators and refrigerators.

Tellurium is also a promising material for use in other applications such as infrared detectors, solar cells, and as a dopant in semiconductors.

Transparency range, µm 3.5 - 36
Point group 32m
Lattice parameters, Å a = 4.495, b = 3.74, c = 5.912
Mohs hardness 2.3
Density, g/cm3 6.25@ 20°C
Melting point (°C ) 450
Refractive indexes: -
   at   5.0 µm no = 4.864; ne = 6.316
   at 10.6 µm no = 4.792; ne = 6.247
   at 14.0 µm no = 4.775; ne = 6.230
   at 28.0 µm no = 4.716; ne = 6.183
Non-linear coefficient at 10.6 µm, pm/V d11 = 650
Optical damage threshold, MW/cm2 20 - 40 (at 10.6 µm, 150 ns)
Thermal expansion coefficient , at 293 °K: -
   parallel to z-axis 1.6 x 10-6 x °K -1
   perpendicular to z-axis 27.2 x 10-6 x °K -1
Thermal conductivity, mW x cm-1 x °K -1 4000
Orientation of single crystal (0001), (1100) or (11-20)

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