Cerium Foil

Cerium Foil is a rare-earth metal form characterized by high ductility, excellent oxidation resistance at ambient temperatures, and the ability to form stable intermetallics and alloys. It exhibits unique catalytic and redox properties due to cerium’s capacity to transition between multiple oxidation states, making it a valuable material for advanced chemical and metallurgical processes. Cerium foil is widely applied in metallurgy, specialty coatings, electronics, and catalytic systems, where its form factor allows precise layering, cladding, or incorporation into composite structures. Technologies benefiting from its properties include high-performance catalysts for chemical synthesis, thin-layer metallization for specialized electronics, and sacrificial coatings in corrosion mitigation systems. Research interest in cerium foil is strong, with efforts aimed at optimizing surface treatments, alloy development, and catalytic interfaces for sustainable manufacturing. Its combination of reactivity control, processability, and compatibility with high-value industrial processes ensures it remains a strategic material in both scientific and commercial domains.

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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	58
Crystal structure	Face centred cubic
Electronic structure	Xe 4f² 6s²
Valences shown	3, 4
Atomic weight( amu )	140.12
Thermal neutron absorption cross-section( Barns )	0.73
Photo-electric work function( eV )	2.9
Natural isotope distribution( Mass No./% )	136/ 0.2
Natural isotope distribution( Mass No./% )	140/ 88.4
Natural isotope distribution( Mass No./% )	142/ 11.1
Natural isotope distribution( Mass No./% )	138/ 0.3
Atomic radius - Goldschmidt( nm )	0.182
Ionisation potential( No./eV )	2/ 10.85
Ionisation potential( No./eV )	1/ 5.47
Ionisation potential( No./eV )	3/ 20.20
Ionisation potential( No./eV )	4/ 36.72

Mechanical Properties

Element	Value
Material condition	Polycrystalline
Material condition	Cast
Poisson's ratio	0.248
Poisson's ratio	0.248
Bulk modulus( GPa )	24.4
Bulk modulus( GPa )	24.4
Tensile modulus( GPa )	33.5
Tensile modulus( GPa )	33.5
Hardness - Vickers( kgf mm⁻² )	25-30
Tensile strength( MPa )	102
Yield strength( MPa )	91

Electrical Properties

Element	Value
Electrical resistivity( µOhmcm )	85.4@20°C
Temperature coefficient( K⁻¹ )	0.0087@0-100°C
Thermal emf against Pt (cold 0C - hot 100C)( mV )	1.14

Physical Properties

Element	Value
Boiling point( C )	3426
Density( gcm⁻³ )	6.75@20°C

Thermal Properties

Element	Value
Melting point( C )	799
Latent heat of evaporation( J g⁻¹ )	2680
Latent heat of fusion( J g⁻¹ )	37.3
Specific heat( J K⁻¹ kg⁻¹ )	205@25°C
Thermal conductivity( W m⁻¹ K⁻¹ )	11.3@0-100°C
Coefficient of thermal expansion( x10⁻⁶ K⁻¹ )	8@0-100°C