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.

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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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Gadolinium Foil (Light Tight)

Material Properties for Metals