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Formula: Ho
Form: Pellet/Lump
Material: Holmium
CAS Number: 7440-60-0
Commodity: Metals
Purity: 99%
Maximum Lump Size: 25mm
Holmium Pellets are compact metallic forms of the rare-earth element holmium, valued for their high magnetic moment, strong optical absorption bands, and stability as a feedstock for alloying, doping, and thin-film deposition. Their dense form makes them convenient for handling in high-vacuum systems and controlled material dosing. Industries such as photonics, metallurgy, and advanced ceramics rely on holmium pellets for laser components, optical filters, and as alloying additions to improve structural and magnetic properties of light metals. Specific applications include their use in producing holmium-doped fluorescent materials for optical devices, in modifying magnesium alloys to enhance tensile strength and hardness, and in functional ceramics to improve high-temperature piezoelectric responses. Research shows that holmium additions to alloys refine microstructure and significantly improve mechanical performance, while holmium compounds derived from pellet feedstock are essential for luminescent devices and piezoelectric ceramics. In both industrial and research settings, Holmium Pellets are a versatile and reliable source material, driving innovation across optics, structural alloys, and advanced functional materials.

Flammable

each

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Tolerances

Pellets
Maximum Lump Size Nominal

Material Properties for Metals

Atomic Properties
Element Value
Atomic number 67
Crystal structure Hexagonal close packed
Electronic structure Xe 4f¹¹ 6s²
Valences shown 3
Atomic weight( amu ) 164.9304
Thermal neutron absorption cross-section( Barns ) 65
Atomic radius - Goldschmidt( nm ) 0.176
Ionisation potential( No./eV ) 2/ 11.80
Ionisation potential( No./eV ) 1/ 6.02
Mechanical Properties
Element Value
Material condition Polycrystalline
Poisson's ratio 0.225
Bulk modulus( GPa ) 40.5
Tensile modulus( GPa ) 66.9
Hardness - Vickers( kgf mm⁻² ) 60
Tensile strength( MPa ) 262
Yield strength( MPa ) 221
Electrical Properties
Element Value
Electrical resistivity( µOhmcm ) 94@20@20°C
Temperature coefficient( K⁻¹ ) 0.00171@0-100°C
Physical Properties
Element Value
Boiling point( C ) 2695
Density( gcm⁻³ ) 8.803@20°C
Thermal Properties
Element Value
Melting point( C ) 1474
Latent heat of evaporation( J g⁻¹ ) 1695
Latent heat of fusion( J g⁻¹ ) 104
Specific heat( J K⁻¹ kg⁻¹ ) 165@25°C
Thermal conductivity( W m⁻¹ K⁻¹ ) 16.2@0-100°C
Coefficient of thermal expansion( x10⁻⁶ K⁻¹ ) 9.5@0-400°C

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