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Gold Top Hat Single Crystal

Goodfellow offers the Gold Top Hat Single Crystal in 14 variations. These high purity single crystals enable precise control over orientation for investigating fundamental materials properties. With no grain boundaries, they are ideal for use as x-ray and neutron monochromators or analyzers. The range also suits fundemental physics research and studies of catalytic chemistry. By providing gold in an oriented single crystal, new discoveries become possible across many fields.
Formula: Au
Percentage Purity: 99.999%
Top Section Thickness: 1mm
Bottom Section Thickness: 1mm
Outside Diameter: 10mm
Inside Diameter: 8mm
Orientation: -110
Orientation Accuracy: =< 0.4°
Polish: Polished
Surface Finish: =< 0.03µm Ra
CAS Number: 7440-57-5
UOM Code: 845-209-31
SKU: 1000048689
Product Code: AU00-SC-000184

Tolerances

Single Crystal
Orientation See Item
Thickness +2% / -1%
Length +2% / -1%
Top Hat
Inside Diameter +2% / -1%
Outside Diameter +2% / -1%
Bottom Section Thickness +2% / -1%
Top Section Thickness +2% / -1%
No Minimum order Despatch of products in stock within 48 hours Free technical support *Free delivery worldwide
$4,498.78
each
  • Buy 5 for $3,644.01 each and save 19%
  • Buy 10 for $3,329.10 each and save 26%

Shipping restrictions and charges
may apply for some hazardous materials.

Tolerances

Single Crystal
Orientation See Item
Thickness +2% / -1%
Length +2% / -1%
Top Hat
Inside Diameter +2% / -1%
Outside Diameter +2% / -1%
Bottom Section Thickness +2% / -1%
Top Section Thickness +2% / -1%
Technical Data Sheet
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Material Properties for Precious Metals

Atomic Properties
Element Value
Atomic number 79
Crystal structure Face centred cubic
Electronic structure Xe 4f¹⁴ 5d¹⁰ 6s¹
Valences shown 1,3
Atomic weight( amu ) 196.9665
Thermal neutron absorption cross-section( Barns ) 98.8
Photo-electric work function( eV ) 4.8
Atomic radius - Goldschmidt( nm ) 0.144
Ionisation potential( No./eV ) 1/ 9.22
Ionisation potential( No./eV ) 2/ 20.5
Mechanical Properties
Element Value
Material condition Soft
Material condition Hard
Poisson's ratio 0.42
Poisson's ratio 0.42
Bulk modulus( GPa ) 171
Bulk modulus( GPa ) 171
Tensile modulus( GPa ) 78.5
Tensile modulus( GPa ) 78.5
Hardness - Vickers( kgf mm⁻² ) 20-30
Hardness - Vickers( kgf mm⁻² ) 60
Tensile strength( MPa ) 130
Tensile strength( MPa ) 220
Yield strength( MPa ) 205
Yield strength( MPa ) -
Electrical Properties
Element Value
Electrical resistivity( µOhmcm ) 2.20@20@20°C
Temperature coefficient( K⁻¹ ) 0.004@0-100°C
Thermal emf against Pt (cold 0C - hot 100C)( mV ) 0.74
Physical Properties
Element Value
Boiling point( C ) 3080
Density( gcm⁻³ ) 19.3@20°C
Thermal Properties
Element Value
Melting point( C ) 1064.4
Latent heat of evaporation( J g⁻¹ ) 1738
Latent heat of fusion( J g⁻¹ ) 64.9
Specific heat( J K⁻¹ kg⁻¹ ) 129@25°C
Thermal conductivity( W m⁻¹ K⁻¹ ) 318@0-100°C
Coefficient of thermal expansion( x10⁻⁶ K⁻¹ ) 14.1@0-100°C
Other Customers Purchased
  1. Gold Top Hat Single Crystal Formula: Au
    Percentage Purity: 99.999%
    Top Section Thickness: 1mm
    Bottom Section Thickness: 1mm
    Outside Diameter: 10mm
    Inside Diameter: 8mm
    Orientation: -100
    Orientation Accuracy: =< 1°
    Polish: Polished
    Surface Finish: =< 0.03µm Ra
    CAS Number: 7440-57-5
    UOM Code: 880-944-79
    $4,440.46
    each
    Discounts applied for volume purchases
    View Product
  2. Gold Top Hat Single Crystal Formula: Au
    Percentage Purity: 99.999%
    Top Section Thickness: 1mm
    Bottom Section Thickness: 1mm
    Outside Diameter: 10mm
    Inside Diameter: 8mm
    Orientation: -100
    Orientation Accuracy: =< 1°
    Polish: Unpolished
    CAS Number: 7440-57-5
    UOM Code: 218-922-03
    $3,448.81
    each
    Discounts applied for volume purchases
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  3. Gold Top Hat Single Crystal Formula: Au
    Percentage Purity: 99.999%
    Top Section Thickness: 1mm
    Bottom Section Thickness: 1mm
    Outside Diameter: 10mm
    Inside Diameter: 8mm
    Orientation: -110
    Orientation Accuracy: Approx. 0.1°
    Polish: Polished
    Surface Finish: =< 0.03µm Ra
    CAS Number: 7440-57-5
    UOM Code: 977-908-10
    $4,673.79
    each
    Discounts applied for volume purchases
    View Product
  4. Gold Top Hat Single Crystal Formula: Au
    Percentage Purity: 99.999%
    Top Section Thickness: 1mm
    Bottom Section Thickness: 1mm
    Outside Diameter: 10mm
    Inside Diameter: 8mm
    Orientation: -110
    Orientation Accuracy: =< 1°
    Polish: Unpolished
    CAS Number: 7440-57-5
    UOM Code: 891-798-65
    $3,448.81
    each
    Discounts applied for volume purchases
    View Product
  5. Gold Top Hat Single Crystal Formula: Au
    Percentage Purity: 99.999%
    Top Section Thickness: 1mm
    Bottom Section Thickness: 1mm
    Outside Diameter: 10mm
    Inside Diameter: 8mm
    Orientation: -100
    Orientation Accuracy: =< 0.5°
    Polish: Polished
    Surface Finish: =< 0.03µm Ra
    CAS Number: 7440-57-5
    UOM Code: 777-288-89
    $4,440.46
    each
    Discounts applied for volume purchases
    View Product
  6. Gold Top Hat Single Crystal Formula: Au
    Percentage Purity: 99.999%
    Top Section Thickness: 1mm
    Bottom Section Thickness: 1mm
    Outside Diameter: 10mm
    Inside Diameter: 8mm
    Orientation: -100
    Orientation Accuracy: Approx. 0.1°
    Polish: Polished
    Surface Finish: =< 0.03µm Ra
    CAS Number: 7440-57-5
    UOM Code: 580-811-91
    $4,673.79
    each
    Discounts applied for volume purchases
    View Product