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Erbium Pellets

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Composition: Er Form: Pellet/Lump Material: Erbium CAS Number: 7440-52-0 Commodity: Metals Purity: 99% (2N)
Erbium Pellets are compact, high-purity solid forms of the rare-earth metal erbium, designed for efficient handling and controlled use in melting, casting, and vacuum deposition processes. Erbium’s intrinsic properties—such as its sharp optical emission at 1.54 μm, stability in air, and magnetic characteristics—make these pellets highly suitable for industries including photonics, advanced materials research, and specialty alloy production. The pellet form allows for precise dosing in alloying operations, uniform evaporation in thin-film coating systems, and straightforward integration into laboratory-scale material synthesis. Specific applications include serving as a feedstock for erbium-doped fiber amplifier production, source material in molecular beam epitaxy for optical devices, and additive in high-performance magnetic materials. In research and manufacturing, Erbium Pellets provide a reliable, geometry-optimized format for delivering erbium’s unique optical, magnetic, and structural benefits to cutting-edge technologies.

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Material Properties

Atomic Properties
Element Value
Atomic number 68
Crystal structure Hexagonal close packed
Electronic structure Xe 4f¹² 6s²
Valences shown 3
Atomic weight( amu ) 167.26
Thermal neutron absorption cross-section( Barns ) 160
Natural isotope distribution( Mass No./% ) 166/ 33.4
Natural isotope distribution( Mass No./% ) 162/ 0.1
Natural isotope distribution( Mass No./% ) 168/ 27.0
Natural isotope distribution( Mass No./% ) 170/ 15.0
Natural isotope distribution( Mass No./% ) 167/ 22.9
Natural isotope distribution( Mass No./% ) 164/ 1.6
Atomic radius - Goldschmidt( nm ) 0.175
Ionisation potential( No./eV ) 2/ 11.93
Ionisation potential( No./eV ) 1/ 6.10
Mechanical Properties
Element Value
Material condition Polycrystalline
Poisson's ratio 0.207
Bulk modulus( GPa ) 41.8
Tensile modulus( GPa ) 73.3
Hardness - Vickers( kgf mm⁻² ) 70
Tensile strength( MPa ) 292
Yield strength( MPa ) 292
Electrical Properties
Element Value
Electrical resistivity( µOhmcm ) 86@20°C
Temperature coefficient( K⁻¹ ) 0.00201@0-100°C
Physical Properties
Element Value
Boiling point( C ) 2863
Density( gcm⁻³ ) 9.051@20°C
Thermal Properties
Element Value
Melting point( C ) 1529
Latent heat of evaporation( J g⁻¹ ) 1680
Latent heat of fusion( J g⁻¹ ) 103
Specific heat( J K⁻¹ kg⁻¹ ) 168@25°C
Thermal conductivity( W m⁻¹ K⁻¹ ) 14.5@0-100°C
Coefficient of thermal expansion( x10⁻⁶ K⁻¹ ) 9.2@0-100°C
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Available Configurations

Properties common to all products in this list

Composition: Er Form: Pellets Material: Erbium CAS Number: 7440-52-0 Commodity: Metals Purity: 99% (2N)

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Tolerances

Pellets
Maximum Lump Size Nominal