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Gadolinium Foil (Light Tight)

Formula: Gd
Form: Foil (Light Tight)
Material: Gadolinium
CAS Number: 7440-54-2
Commodity: Metals
Purity: 99%
Temper: As Rolled
Light Tight: Light Tight
Hazard Pictogram: GHS02
Gadolinium foil (light tight) is vital in neutron capture applications due to its high thermal neutron absorption cross-section, making it a key material for radiation shielding in nuclear reactors and particle detectors. Its paramagnetic properties are leveraged in low-temperature physics and electron transport experiments, particularly in advanced research on magnetic materials. Our expertise enables us to produce pinhole-free foils across a variety of thicknesses. Additionally, its light-tight characteristics support high-precision optical experiments and radiation protection applications in the laboratory, ensuring minimal external interference in scientific instrumentation and radiation detection systems.
Technical Data Sheet Safety Data Sheet Tolerance Properties

Flammable

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Material Properties for Metals

Atomic Properties
Element Value
Atomic number 64
Crystal structure Hexagonal close packed
Electronic structure Xe 4f⁷ 5d¹ 6s²
Valences shown 3
Atomic weight( amu ) 157.25
Thermal neutron absorption cross-section( Barns ) 49000
Photo-electric work function( eV ) 3.1
Natural isotope distribution( Mass No./% ) 160/ 21.8
Natural isotope distribution( Mass No./% ) 155/ 14.8
Natural isotope distribution( Mass No./% ) 157/ 15.7
Natural isotope distribution( Mass No./% ) 152/ 0.2
Natural isotope distribution( Mass No./% ) 158/ 24.8
Natural isotope distribution( Mass No./% ) 156/ 20.5
Natural isotope distribution( Mass No./% ) 154/ 2.2
Atomic radius - Goldschmidt( nm ) 0.18
Ionisation potential( No./eV ) 2/ 12.1
Ionisation potential( No./eV ) 1/ 6.14
Mechanical Properties
Element Value
Material condition Polycrystalline
Poisson's ratio 0.26
Bulk modulus( GPa ) 39.1
Tensile modulus( GPa ) 56.2
Hardness - Vickers( kgf mm⁻² ) 55
Tensile strength( MPa ) 193
Yield strength( MPa ) 179
Electrical Properties
Element Value
Electrical resistivity( µOhmcm ) 134@20@20°C
Temperature coefficient( K⁻¹ ) 0.00176@0-100°C
Physical Properties
Element Value
Boiling point( C ) 3266
Density( gcm⁻³ ) 7.895@25°C
Thermal Properties
Element Value
Melting point( C ) 1313
Latent heat of evaporation( J g⁻¹ ) 1920
Latent heat of fusion( J g⁻¹ ) 98.7
Specific heat( J K⁻¹ kg⁻¹ ) 230@25°C
Thermal conductivity( W m⁻¹ K⁻¹ ) 10.5@0-100°C
Coefficient of thermal expansion( x10⁻⁶ K⁻¹ ) 6.4@0-100°C

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