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
Legacy Code: AU002038
Distributor Code: GF88094479
SKU: 1000048681
Product Code: AU00-SC-000181
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
Legacy Code: AU002038
Distributor Code: GF88094479
SKU: 1000048681
Product Code: AU00-SC-000181
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 |