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Ytterbium Powder

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Properties common to all products in this list

Composition: Yb Form: Powder Material: Ytterbium CAS Number: 7440-64-4 Commodity: Metals Purity: 99.9% Max Particle Size: 500μm
Ytterbium Powder provides a fine, reactive form of this soft rare-earth metal, prized for its electronic, optical, and catalytic properties. Due to high surface area and reactivity, ytterbium powder finds use in alloying, catalysis, and materials research. Industries including metallurgy, catalysis, and photonics use ytterbium powder for producing specialty alloys, hydrogenation catalysts, and dopants in luminescent materials. Specific applications include serving as an additive in stainless steel to improve grain refinement, catalytic material in organic hydrogenation, and precursor for Yb-doped optical fibers. In research, ytterbium powders are studied for their catalytic mechanisms, hydrogen absorption, and role in luminescent material synthesis. Their high reactivity, combined with unique rare-earth optical properties, ensures ytterbium powders remain a vital feedstock in alloys, catalysts, and optical materials research.
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Material Properties

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°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
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Available Configurations

Properties common to all products in this list

Composition: Yb Form: Powder Material: Ytterbium CAS Number: 7440-64-4 Commodity: Metals Purity: 99.9% Max Particle Size: 500μm

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Tolerances

Powder
Mean Particle Size Nominal
Minimum Particle Size Nominal
Maximum Particle Size Nominal
Maximum Particle Size Nominal
Particle Size D10 Nominal
Particle Size D50 Nominal
Particle Size D90 Nominal