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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: -100
Orientation Accuracy: Approx. 0.1°
Polish: Polished
Surface Finish: =< 0.03µm Ra
CAS Number: 7440-57-5
UOM Code: 580-811-91
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
SKU: 1000048675
Product Code: AU00-SC-000178
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% |
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% |
$5,015.39
each
- Buy 5 for $4,062.46 each and save 19%
- Buy 10 for $3,711.39 each and save 26%
No Minimum order
Free technical support
*Free delivery worldwide
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
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Tungsten Top Hat Single Crystal Formula: W
Percentage Purity: 99.99%
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: 7440-33-7
UOM Code: 128-551-93
eachStarting at $1,990.23
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Gold Rod Formula: Au
Percentage Purity: 99.95%
Diameter: 6mm
Length: 10mm
Temper: As Drawn
CAS Number: 7440-57-5
UOM Code: 035-573-36
eachStarting at $526.64
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Gold Powder Formula: Au
Percentage Purity: 99.95%
Maximum Particle Size: 250µm
Weight: 1g
CAS Number: 7440-57-5
UOM Code: 034-346-99
eachStarting at $763.04
Discounts applied for volume purchases -
Gold Spooled Wire Formula: Au
Percentage Purity: 99.99%
Product Shape: Spooled
Diameter: 0.025mm
Length: 100m
Temper: Hard
CAS Number: 7440-57-5
UOM Code: 013-643-52
eachStarting at $204.23
Discounts applied for volume purchases -
Gold Wire Formula: Au
Percentage Purity: 99.99%
Diameter: 0.01mm
Length: 1m
Temper: Hard
CAS Number: 7440-57-5
UOM Code: 052-270-51
eachStarting at $395.06
Discounts applied for volume purchases -
each
Starting at $259.93
Discounts applied for volume purchases
