Lutetium Foil

Lutetium Foil is a rare-earth material form prized for its high density, resistance to corrosion, and exceptional thermal and electronic stability, making it highly valuable in advanced research and industrial applications. Its ability to form stable oxide films allows it to be integrated into thin-film technologies, photonic devices, and catalytic systems. Key application areas include optics, electronics, and catalysis, where lutetium’s rare-earth properties enable unique functionalities. Specific technologies benefiting from Lutetium Foil include its use in fabricating lutetium oxide thin films for saturable absorbers in Q-switched fiber lasers, nanostructured lutetium-based phthalocyanine films for voltammetric sensors, and high-dielectric-constant lutetium oxide films as gate dielectrics in CMOS technology. In research, Lutetium Foil plays a pivotal role in high-pressure condensed matter studies, thin-film processing innovations, and optical device engineering. Its combination of stability, adaptability, and unique rare-earth characteristics makes it a material of strategic value in both scientific discovery and industrial development, particularly in fields requiring precision, resilience, and novel functional materials.

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Tolerance

Properties

Reference & Citations

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Tolerances

Foil

Thickness	<0.01mm	±25%
Thickness	0.01mm - 0.05mm	±15%
Thickness	>0.05mm	±10%

Material Properties for Metals

Atomic Properties

Element	Value
Atomic number	71
Crystal structure	Hexagonal close packed
Electronic structure	Xe 4f¹⁴ 5d¹ 6s²
Valences shown	3
Atomic weight( amu )	174.967
Thermal neutron absorption cross-section( Barns )	75
Photo-electric work function( eV )	3.3
Natural isotope distribution( Mass No./% )	175/ 97.4
Natural isotope distribution( Mass No./% )	176/ 2.6
Atomic radius - Goldschmidt( nm )	0.173
Ionisation potential( No./eV )	1/ 5.43
Ionisation potential( No./eV )	2/ 13.9

Mechanical Properties

Element	Value
Material condition	Polycrystalline
Poisson's ratio	0.223
Bulk modulus( GPa )	42
Tensile modulus( GPa )	84
Hardness - Vickers( kgf mm⁻² )	85

Electrical Properties

Element	Value
Electrical resistivity( µOhmcm )	68@20@20°C
Superconductivity critical temperature( K )	0.1
Temperature coefficient( K⁻¹ )	0.0024@0-100°C

Physical Properties

Element	Value
Boiling point( C )	3395
Density( gcm⁻³ )	9.842@20°C

Thermal Properties

Element	Value
Melting point( C )	1663
Latent heat of evaporation( J g⁻¹ )	2155
Latent heat of fusion( J g⁻¹ )	110
Specific heat( J K⁻¹ kg⁻¹ )	155@25°C
Thermal conductivity( W m⁻¹ K⁻¹ )	16.4@0-100°C
Coefficient of thermal expansion( x10⁻⁶ K⁻¹ )	12.5@0-400°C