Holmium Rod

Holmium Rod, composed of the rare-earth element holmium, is valued for its unique magnetic and optical properties as well as its stability in bulk metallic form. With one of the highest magnetic moments among all elements, holmium exhibits strong paramagnetic behavior at room temperature, antiferromagnetic ordering between ~20–133 K, and ferromagnetic properties at lower temperatures, making it a highly versatile material for magnetic and electronic research. In rod form, it is particularly suitable for machining into experimental components, targets for thin-film deposition, and structural elements in precision devices. Industries such as photonics, materials science, and electronics employ holmium rods in advanced laser systems, magnetic calibration devices, and as dopant sources for functional ceramics and oxides. Specific applications include their role in fabricating holmium-doped fluorescent materials, as feedstock for holmium-substituted piezoelectric ceramics, and in experimental physics setups investigating magnetic ordering. Research demonstrates its utility in enhancing piezoelectric responses at high temperatures and in the production of luminescent holmium iodate compounds for optical devices. In both research and industrial settings, Holmium Rod is a crucial material, enabling advances in magnetism, optics, and functional materials.

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Tolerance

Properties

Reference & Citations

Flammable

each

Tolerances

Rod

Diameter	=<10mm	±10%
Diameter	>10mm	±5%

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