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Formula: Ho
Form: Foil (Light Tight)
Material: Holmium
CAS Number: 7440-60-0
Commodity: Metals
Purity:
99%
Temper:
As Rolled
Light Tight:
Light Tight
Hazard Pictogram:
GHS02
Holmium Foil (Light Tight) is a thin foil of holmium metal that blocks visible light. With high magnetic susceptibility, it has applications in Faraday rotators and optical isolators. Available in 29 thicknesses, our Holmium Foil (Light Tight) range enables customization for quantum optics experiments. It’s also ideal for research applications requiring high purity single crystal films opaque to visible and infrared wavelengths.
Flammable
Material Properties for Metals
Atomic Properties
| Element | Value |
|---|---|
| Atomic number | 67 |
| Crystal structure | Hexagonal close packed |
| Electronic structure | Xe 4f¹¹ 6s² |
| Valences shown | 3 |
| Atomic weight( amu ) | 164.9304 |
| Thermal neutron absorption cross-section( Barns ) | 65 |
| Atomic radius - Goldschmidt( nm ) | 0.176 |
| Ionisation potential( No./eV ) | 2/ 11.80 |
| Ionisation potential( No./eV ) | 1/ 6.02 |
Mechanical Properties
| Element | Value |
|---|---|
| Material condition | Polycrystalline |
| Poisson's ratio | 0.225 |
| Bulk modulus( GPa ) | 40.5 |
| Tensile modulus( GPa ) | 66.9 |
| Hardness - Vickers( kgf mm⁻² ) | 60 |
| Tensile strength( MPa ) | 262 |
| Yield strength( MPa ) | 221 |
Electrical Properties
| Element | Value |
|---|---|
| Electrical resistivity( µOhmcm ) | 94@20@20°C |
| Temperature coefficient( K⁻¹ ) | 0.00171@0-100°C |
Physical Properties
| Element | Value |
|---|---|
| Boiling point( C ) | 2695 |
| Density( gcm⁻³ ) | 8.803@20°C |
Thermal Properties
| Element | Value |
|---|---|
| Melting point( C ) | 1474 |
| Latent heat of evaporation( J g⁻¹ ) | 1695 |
| Latent heat of fusion( J g⁻¹ ) | 104 |
| Specific heat( J K⁻¹ kg⁻¹ ) | 165@25°C |
| Thermal conductivity( W m⁻¹ K⁻¹ ) | 16.2@0-100°C |
| Coefficient of thermal expansion( x10⁻⁶ K⁻¹ ) | 9.5@0-400°C |
Other Customers Purchased
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Ytterbium Foil Formula: Yb
Percentage Purity: 99%
Temper: As Rolled
Thickness: 0.005mm
Length 1: 25mm
Length 2: 25mm
CAS Number: 7440-64-4
UOM Code: 000-446-82
eachStarting at $239.48
Discounts applied for volume purchases -
Waspaloy® Foil Formula: Ni58/Cr19/Co14/Mo/Ti/Al/Fe
Temper: Annealed
Thickness: 0.25mm
Length 1: 100mm
Length 2: 100mm
UOM Code: 558-637-81
eachStarting at $186.92
Discounts applied for volume purchases -
X-ray Quality Rhodium Foil Grade: X-ray Quality
Formula: Rh
Percentage Purity: 99.9%
Temper: As Rolled
Thickness: 0.025mm
Length 1: 10mm
Length 2: 10mm
CAS Number: 7440-16-6
UOM Code: 464-926-09
eachStarting at $673.56
Discounts applied for volume purchases -
Zirconium Foil Formula: Zr
Percentage Purity: 99.2%
Thickness: 0.005mm
Length 1: 25mm
Length 2: 25mm
CAS Number: 7440-67-7
UOM Code: 004-371-61
eachStarting at $165.58
Discounts applied for volume purchases -
Yttrium Foil Formula: Y
Percentage Purity: 99%
Temper: As Rolled
Thickness: 0.1mm
Length 1: 50mm
Length 2: 50mm
CAS Number: 7440-65-5
UOM Code: 117-129-99
eachStarting at $235.38
Discounts applied for volume purchases -
Zinc Foil Formula: Zn
Percentage Purity: 99.9%
Thickness: 0.0025mm
Length 1: 25mm
Length 2: 25mm
CAS Number: 7440-66-6
UOM Code: 013-016-12
eachStarting at $152.18
Discounts applied for volume purchases
