Technical Data Sheet
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Niobium Disc Single Crystal

Goodfellow offers Niobium Disc Single Crystals in 89 variations. Niobium single crystals are monocrystalline materials grown as discs with specific orientations. The purity and lack of grain boundaries in these materials make them ideal for applications in physics research and as x-ray or neutron monochromators. With controlled orientation and high purity, niobium discs enable investigation of inherent materials properties. Researchers also utilize them as crystal analyzers and electrodes in fields like catalytic chemistry. By providing niobium single crystals in a range of orientations, Goodfellow enables advanced experimentation across the physical sciences.
Formula: Nb
Percentage Purity: 99.999%
Thickness: 1.5mm
Diameter: 10mm
Orientation: -111
Orientation Accuracy: =< 1°
Polish: Unpolished
CAS Number: 7440-03-1
UOM Code: 275-428-28
SKU: 1000116150
Product Code: NB00-SC-000279

Tolerances

Single Crystal
Orientation See Item
Thickness +2% / -1%
Length +2% / -1%
Disc
Diameter +2% / -1%
No Minimum order Despatch of products in stock within 48 hours Free technical support *Free delivery worldwide
$1,131.21
each
  • Buy 5 for $916.28 each and save 19%
  • Buy 10 for $837.09 each and save 26%

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Tolerances

Single Crystal
Orientation See Item
Thickness +2% / -1%
Length +2% / -1%
Disc
Diameter +2% / -1%
Technical Data Sheet
Safety Data Sheet

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Material Properties for Metals

Atomic Properties
Element Value
Atomic number 41
Crystal structure Body centred cubic
Electronic structure Kr 4d⁴ 5s¹
Valences shown 2, 3, 4, 5
Atomic weight( amu ) 92.9064
Thermal neutron absorption cross-section( Barns ) 1.15
Photo-electric work function( eV ) 4.3
Atomic radius - Goldschmidt( nm ) 0.147
Ionisation potential( No./eV ) 3/ 25.0
Ionisation potential( No./eV ) 2/ 14.3
Ionisation potential( No./eV ) 6/ 103
Ionisation potential( No./eV ) 1/ 6.88
Ionisation potential( No./eV ) 4/ 38.3
Ionisation potential( No./eV ) 5/ 50.5
Mechanical Properties
Element Value
Material condition Hard
Material condition Soft
Poisson's ratio 0.397
Poisson's ratio 0.397
Bulk modulus( GPa ) 170.3
Bulk modulus( GPa ) 170.3
Tensile modulus( GPa ) 104.9
Tensile modulus( GPa ) 104.9
Izod toughness( J m⁻¹ ) 10-120
Hardness - Vickers( kgf mm⁻² ) 115
Hardness - Vickers( kgf mm⁻² ) 160
Tensile strength( MPa ) 330
Tensile strength( MPa ) 585
Yield strength( MPa ) 550
Yield strength( MPa ) 240
Electrical Properties
Element Value
Electrical resistivity( µOhmcm ) 16@20@20°C
Superconductivity critical temperature( K ) 9.25
Temperature coefficient( K⁻¹ ) 0.0026@0-100°C
Physical Properties
Element Value
Boiling point( C ) 4742
Density( gcm⁻³ ) 8.57@20°C
Thermal Properties
Element Value
Melting point( C ) 2468
Latent heat of evaporation( J g⁻¹ ) 7360
Latent heat of fusion( J g⁻¹ ) 290
Specific heat( J K⁻¹ kg⁻¹ ) 268@25°C
Thermal conductivity( W m⁻¹ K⁻¹ ) 53.7@0-100°C
Coefficient of thermal expansion( x10⁻⁶ K⁻¹ ) 7.2@0-100°C
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