Ytterbium Disk

Ytterbium Disk, produced by machining ytterbium metal into circular form, provides a soft, ductile, and relatively reactive lanthanide for experimental and industrial use. Ytterbium exhibits moderate electrical conductivity, low hardness, and unique optical and magnetic properties, making disks suitable for surface science and thin film studies. Industries including optics, electronics, and metallurgy employ ytterbium disks in infrared filters, metallurgical alloying, and laser material research. Specific applications include preparation of ytterbium thin films for optical coatings, serving as targets in spectroscopy, and substrates for studying lanthanide reactivity. In research, ytterbium disks are studied for electronic band structure, catalytic interactions, and luminescence. Their form and purity allow precise control in surface-sensitive experiments, ensuring ytterbium disks remain important in optics, materials science, and rare-earth element research.

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Tolerance

Properties

Reference & Citations

each

Tolerances

Disc

Thickness	>0.05mm	±10%
Thickness	<0.01mm	±25%
Thickness	0.01mm - 0.05mm	±15%

Material Properties for Metals

Atomic Properties

Element	Value
Atomic number	70
Crystal structure	Hexagonal close packed
Electronic structure	Xe 4f¹⁴ 6s²
Valences shown	2,3
Atomic weight( amu )	173.04
Thermal neutron absorption cross-section( Barns )	37
Natural isotope distribution( Mass No./% )	173/ 16.2
Natural isotope distribution( Mass No./% )	174/ 31.7
Natural isotope distribution( Mass No./% )	172/ 21.9
Natural isotope distribution( Mass No./% )	168/ 0.1
Natural isotope distribution( Mass No./% )	170/ 3.1
Natural isotope distribution( Mass No./% )	171/ 14.3
Natural isotope distribution( Mass No./% )	176/ 12.7
Atomic radius - Goldschmidt( nm )	0.193
Ionisation potential( No./eV )	3/ 25.2
Ionisation potential( No./eV )	2/ 12.2
Ionisation potential( No./eV )	1/ 6.25

Mechanical Properties

Element	Value
Hardness - Brinell	25
Material condition	Polycrystalline
Poisson's ratio	0.28
Bulk modulus( GPa )	13.5
Tensile modulus( GPa )	17.8
Tensile strength( MPa )	68.9
Yield strength( MPa )	65.5

Electrical Properties

Element	Value
Electrical resistivity( µOhmcm )	28@20@20°C
Temperature coefficient( K⁻¹ )	0.0013@0-100°C

Physical Properties

Element	Value
Boiling point( C )	1194
Density( gcm⁻³ )	6.977@20°C

Thermal Properties

Element	Value
Melting point( C )	819
Latent heat of evaporation( J g⁻¹ )	921
Latent heat of fusion( J g⁻¹ )	53.2
Specific heat( J K⁻¹ kg⁻¹ )	145@25°C
Thermal conductivity( W m⁻¹ K⁻¹ )	32.9@0-100°C
Coefficient of thermal expansion( x10⁻⁶ K⁻¹ )	25@0-100°C