Neodymium Foil (Light Tight)

Neodymium Foil Light Tight combines the superior magnetic and mechanical characteristics of neodymium with an engineered, pinhole-free structure that completely blocks external light transmission. This makes it particularly suitable for optical systems, photonic devices, and sensitive sensor housings where both magnetic functionality and light shielding are essential. Primary applications span aerospace instrumentation, advanced microscopy, and photodetector enclosures, where precise control of stray light is critical. Technologies such as magneto-optical modulators, imaging spectrometers, and precision optical benches benefit from its dual-function capabilities. In research, it facilitates the integration of magnetic control into optoelectronic assemblies without compromising light isolation, supporting the development of high-fidelity measurement systems. Its unique combination of optical opacity and high-performance magnetism underscores its importance in both cutting-edge scientific experimentation and high-reliability industrial applications.

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Properties

Reference & Citations

Flammable

each

Material Properties for Metals

Atomic Properties

Element	Value
Atomic number	60
Crystal structure	Hexagonal close packed
Electronic structure	Xe 4f⁴ 6s²
Valences shown	3
Atomic weight( amu )	144.24
Thermal neutron absorption cross-section( Barns )	49
Photo-electric work function( eV )	3.2
Natural isotope distribution( Mass No./% )	148/ 5.7
Natural isotope distribution( Mass No./% )	145/ 8.3
Natural isotope distribution( Mass No./% )	142/ 27.2
Natural isotope distribution( Mass No./% )	143/ 12.2
Natural isotope distribution( Mass No./% )	150/ 5.6
Natural isotope distribution( Mass No./% )	146/ 17.2
Natural isotope distribution( Mass No./% )	144/ 23.8
Atomic radius - Goldschmidt( nm )	0.182
Ionisation potential( No./eV )	2/ 10.72
Ionisation potential( No./eV )	1/ 5.49

Mechanical Properties

Element	Value
Material condition	Polycrystalline
Poisson's ratio	0.31
Bulk modulus( GPa )	33.3
Tensile modulus( GPa )	37.9
Hardness - Vickers( kgf mm⁻² )	35
Tensile strength( MPa )	172
Yield strength( MPa )	165

Electrical Properties

Element	Value
Electrical resistivity( µOhmcm )	64@20@20°C
Temperature coefficient( K⁻¹ )	0.00164@0-100°C

Physical Properties

Element	Value
Boiling point( C )	3068
Density( gcm⁻³ )	7.004@20°C

Thermal Properties

Element	Value
Melting point( C )	1021
Latent heat of evaporation( J g⁻¹ )	2000
Latent heat of fusion( J g⁻¹ )	75
Specific heat( J K⁻¹ kg⁻¹ )	205@25°C
Thermal conductivity( W m⁻¹ K⁻¹ )	13@0-100°C
Coefficient of thermal expansion( x10⁻⁶ K⁻¹ )	6.7@0-100°C