Tellurium Powder

Tellurium Powder offers a finely divided form of this metalloid, enhancing its surface area and reactivity for use in specialized alloys, semiconductors, and thermoelectric devices. Its semiconducting behavior and ability to form stable compounds with metals make it valuable in photovoltaics, energy conversion, and metallurgy. Industries including electronics, renewable energy, and materials science employ tellurium powder for bismuth telluride-based thermoelectrics, cadmium telluride solar cells, and as an additive to improve steel and copper machinability. Specific uses include high-efficiency cooling modules, thin-film photovoltaic coatings, and infrared optical components. In research, its powder form enables precise compositional control in alloy synthesis, studies of nanostructured thermoelectrics, and advanced chalcogenide material development. Its versatility and compatibility with diverse processing techniques make it indispensable in both industrial manufacturing and experimental materials research.

Quick Links:

Tolerance

Properties

Reference & Citations

each

Tolerances

Powder

Mean Particle Size		Nominal
Minimum Particle Size		Nominal
Maximum Particle Size		Nominal
Maximum Particle Size		Nominal
Particle Size D10		Nominal
Particle Size D50		Nominal
Particle Size D90		Nominal

Material Properties for Metals

Atomic Properties

Element	Value
Atomic number	52
Crystal structure	Hexagonal
Electronic structure	Kr 4d¹⁰ 5s² 5p⁴
Valences shown	2,4,6
Atomic weight( amu )	127.6
Thermal neutron absorption cross-section( Barns )	4.7
Photo-electric work function( eV )	4.8
Natural isotope distribution( Mass No./% )	124/ 4.6
Natural isotope distribution( Mass No./% )	125/ 7.0
Natural isotope distribution( Mass No./% )	123/ 0.9
Natural isotope distribution( Mass No./% )	126/ 18.7
Natural isotope distribution( Mass No./% )	120/ 0.1
Natural isotope distribution( Mass No./% )	128/ 31.7
Natural isotope distribution( Mass No./% )	122/ 2.5
Natural isotope distribution( Mass No./% )	130/ 34.5
Atomic radius - Goldschmidt( nm )	0.143
Ionisation potential( No./eV )	3/ 28.0
Ionisation potential( No./eV )	4/ 37.4
Ionisation potential( No./eV )	1/ 9.01
Ionisation potential( No./eV )	6/ 70.7
Ionisation potential( No./eV )	5/ 58.8
Ionisation potential( No./eV )	2/ 18.6

Mechanical Properties

Element	Value
Hardness - Mohs	2.3
Material condition	Polycrystalline
Poisson's ratio	0.16-0.3
Bulk modulus( GPa )	31.4
Tensile modulus( GPa )	47.1

Electrical Properties

Element	Value
Electrical resistivity( µOhmcm )	1.6x10⁵@0@0°C

Physical Properties

Element	Value
Boiling point( C )	990
Density( gcm⁻³ )	6.25@20°C

Thermal Properties

Element	Value
Melting point( C )	450
Latent heat of evaporation( J g⁻¹ )	820
Latent heat of fusion( J g⁻¹ )	138
Specific heat( J K⁻¹ kg⁻¹ )	201@25°C
Thermal conductivity( W m⁻¹ K⁻¹ )	3.3@0-100°C
Coefficient of thermal expansion( x10⁻⁶ K⁻¹ )	16.75@0-100°C