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Samarium Foil

Available Configurations

Properties common to all products in this list

Commodity: Metals Material: Samarium Form: Foil/Film/Sheet Composition: Sm CAS Number: 7440-19-9 Purity: 95% Temper: As Rolled Coating: Uncoated Surface Finish: Standard
Samarium Foil combines excellent magnetic properties, oxidation resistance, and stable mechanical characteristics, making it valuable in specialized magnetic, optical, and electronic systems. The thin, flat form allows precision cutting and layering, which is ideal for creating components in magnetic shielding, sensing devices, and spectroscopic equipment. Industries such as electronics, aerospace, and research instrumentation use samarium foil in manufacturing magneto-optical devices, precision gaskets, and structural elements in specialized sensors. Specific applications include substrates in thin-film magnetic devices, thermal neutron absorbers, and components in high-vacuum instrumentation. In research, samarium foil aids studies on rare-earth magnetism, electronic structure, and advanced alloy development. Its combination of rare-earth magnetic performance and workable sheet geometry ensures enduring utility in cutting-edge science and engineering.
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Material Properties

Atomic Properties
Element Value
Atomic number 62
Crystal structure Rhombohedral
Electronic structure Xe 4f⁶ 6s²
Valences shown 2,3
Atomic weight( amu ) 150.36
Thermal neutron absorption cross-section( Barns ) 5820
Photo-electric work function( eV ) 2.7
Natural isotope distribution( Mass No./% ) 149/ 13.9
Natural isotope distribution( Mass No./% ) 144/ 3.1
Natural isotope distribution( Mass No./% ) 148/ 11.3
Natural isotope distribution( Mass No./% ) 152/ 26.6
Natural isotope distribution( Mass No./% ) 147/ 15.1
Natural isotope distribution( Mass No./% ) 150/ 7.4
Natural isotope distribution( Mass No./% ) 154/ 22.6
Atomic radius - Goldschmidt( nm ) 0.18
Ionisation potential( No./eV ) 1/ 5.63
Ionisation potential( No./eV ) 2/ 11.07
Mechanical Properties
Element Value
Material condition Polycrystalline
Poisson's ratio 0.31
Bulk modulus( GPa ) 29.9
Tensile modulus( GPa ) 34.1
Tensile strength( MPa ) 124
Yield strength( MPa ) 110
Electrical Properties
Element Value
Electrical resistivity( µOhmcm ) 92@20°C
Temperature coefficient( K⁻¹ ) 0.00148@0-100°C
Physical Properties
Element Value
Boiling point( C ) 1791
Density( gcm⁻³ ) 7.536@20°C
Thermal Properties
Element Value
Melting point( C ) 1077
Latent heat of evaporation( J g⁻¹ ) 1280
Latent heat of fusion( J g⁻¹ ) 72.4
Specific heat( J K⁻¹ kg⁻¹ ) 180@25°C
Thermal conductivity( W m⁻¹ K⁻¹ ) 13.3@0-100°C
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Available Configurations

Properties common to all products in this list

Commodity: Metals Material: Samarium Form: Foil Composition: Sm CAS Number: 7440-19-9 Purity: 95% Temper: As Rolled Coating: Uncoated Surface Finish: Standard

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Tolerances

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