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Cobalt Disc Single Crystal

Goodfellow's line of Cobalt Disc Single Crystals comes in 89 variations. These highly pure, orientation-specific cobalt discs are ideal for fundemental research applications across physics, chemistry, and materials science. With no grain boundaries, cobalt single crystals enable precise analyses of intrinsic properties and processes. Example uses include serving as monochromators to select specific wavelengths of X-rays or neutrons, as well as electrode materials where orientation affects performance. By providing discs in a range of orientations, Goodfellow empowers researchers to systematically study how structure impacts cobalt's functionality.
Thickness: 0.5mm
Orientation: (0001)
Orientation Accuracy: =< 0.5°
Polish: Polished
Surface Finish: =< 0.03µm Ra
Formula: Co
Percentage Purity: 99.99%
Density: 8.9g/cm³
CAS Number: 7440-48-4
Product Shape: Disc
Diameter: 10mm
Quantity: 1 piece
UOM Code: 544-914-44
SKU: 1000061169
Product Code: CO00-SC-000239

Tolerances

Single Crystal
Orientation See Item
Thickness +2% / -1%
Length +2% / -1%
Disc
Diameter +2% / -1%

Health hazard/Hazardous to the ozone layer

Serious health hazard

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$2,006.19
each
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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 27
Crystal structure Hexagonal close packed
Electronic structure Ar 3d⁷ 4s²
Valences shown 2, 3
Atomic weight( amu ) 58.9332
Thermal neutron absorption cross-section( Barns ) 37.5
Photo-electric work function( eV ) 5
Atomic radius - Goldschmidt( nm ) 0.125
Ionisation potential( No./eV ) 2/ 17.06
Ionisation potential( No./eV ) 4/ 51.3
Ionisation potential( No./eV ) 3/ 33.5
Ionisation potential( No./eV ) 1/ 79.5
Ionisation potential( No./eV ) 1/ 79.5
Ionisation potential( No./eV ) 6/ 102
Mechanical Properties
Element Value
Material condition Hard
Material condition Soft
Poisson's ratio 0.32
Poisson's ratio 0.32
Bulk modulus( GPa ) 181.5
Bulk modulus( GPa ) 181.5
Tensile modulus( GPa ) 211
Tensile modulus( GPa ) 211
Hardness - Vickers( kgf mm⁻² ) 320
Hardness - Vickers( kgf mm⁻² ) 170
Tensile strength( MPa ) 1135
Tensile strength( MPa ) 760
Yield strength( MPa ) 345-485
Electrical Properties
Element Value
Electrical resistivity( µOhmcm ) 6.34@20@20°C
Temperature coefficient( K⁻¹ ) 0.0066@0-100°C
Thermal emf against Pt (cold 0C - hot 100C)( mV ) -1.33
Physical Properties
Element Value
Boiling point( C ) 2870
Density( gcm⁻³ ) 8.9@20°C
Thermal Properties
Element Value
Melting point( C ) 1495
Latent heat of evaporation( J g⁻¹ ) 6490
Latent heat of fusion( J g⁻¹ ) 263
Specific heat( J K⁻¹ kg⁻¹ ) 456@25°C
Thermal conductivity( W m⁻¹ K⁻¹ ) 100@0-100°C
Coefficient of thermal expansion( x10⁻⁶ K⁻¹ ) 12.5@0-100°C
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    Orientation: (10-10)
    Orientation Accuracy: =< 0.5°
    Polish: Polished
    Surface Finish: =< 0.03µm Ra
    Formula: Co
    Percentage Purity: 99.99%
    Density: 8.9g/cm³
    CAS Number: 7440-48-4
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    Diameter: 10mm
    Quantity: 1 piece
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    Orientation Accuracy: =< 1°
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    Percentage Purity: 99.99%
    Density: 8.9g/cm³
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    Orientation Accuracy: Approx. 0.1°
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    Surface Finish: =< 0.03µm Ra
    Formula: Co
    Percentage Purity: 99.99%
    Density: 8.9g/cm³
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    Orientation: (0001)
    Orientation Accuracy: =< 0.4°
    Polish: Polished
    Surface Finish: =< 0.03µm Ra
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    Percentage Purity: 99.99%
    Density: 8.9g/cm³
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  6. Cobalt Disc Single Crystal Thickness: 1mm
    Orientation: (0001)
    Orientation Accuracy: =< 1°
    Polish: Polished
    Surface Finish: =< 0.03µm Ra
    Formula: Co
    Percentage Purity: 99.99%
    Density: 8.9g/cm³
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