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Cobalt Square Single Crystal

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Properties common to all products in this list

Composition: Co Form: Single Crystal Material: Cobalt CAS Number: 7440-48-4 Commodity: Metals Purity: 99.99% Thickness: 1mm
Cobalt Square Single Crystal is a high-purity, precisely oriented form of cobalt with a square geometry, offering uniform lattice alignment and minimal structural defects. This crystallographic perfection delivers exceptional magnetocrystalline anisotropy, high thermal conductivity, and predictable magnetic responses, making it indispensable for research and engineering applications. It is widely used in magnetic device prototyping, spintronics, and high-precision instrumentation, and is critical for technologies like magnetic sensor arrays, thin-film growth substrates, and quantum materials research. The single-crystal form ensures consistent performance in advanced experimental setups, enabling accurate measurements of intrinsic cobalt properties without polycrystalline interference. Its value in scientific and industrial contexts lies in the ability to serve as both a functional component and a reference material for the development of next-generation magnetic and electronic systems.

Health hazard/Hazardous to the ozone layer

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Material Properties

Atomic Properties
Element Value
Atomic number 27
Crystal structure Hexagonal close packed
Electronic structure Ar 3d⁷ 4s²
Valences shown 2, 3
Atomic weight( amu ) 58.9332
Thermal neutron absorption cross-section( Barns ) 37.5
Photo-electric work function( eV ) 5
Atomic radius - Goldschmidt( nm ) 0.125
Ionisation potential( No./eV ) 2/ 17.06
Ionisation potential( No./eV ) 4/ 51.3
Ionisation potential( No./eV ) 3/ 33.5
Ionisation potential( No./eV ) 1/ 79.5
Ionisation potential( No./eV ) 1/ 79.5
Ionisation potential( No./eV ) 6/ 102
Mechanical Properties
Element Value
Material condition Hard
Material condition Soft
Poisson's ratio 0.32
Poisson's ratio 0.32
Bulk modulus( GPa ) 181.5
Bulk modulus( GPa ) 181.5
Tensile modulus( GPa ) 211
Tensile modulus( GPa ) 211
Hardness - Vickers( kgf mm⁻² ) 320
Hardness - Vickers( kgf mm⁻² ) 170
Tensile strength( MPa ) 1135
Tensile strength( MPa ) 760
Yield strength( MPa ) 345-485
Electrical Properties
Element Value
Electrical resistivity( µOhmcm ) 6.34@20°C
Temperature coefficient( K⁻¹ ) 0.0066@0-100°C
Thermal emf against Pt (cold 0C - hot 100C)( mV ) -1.33
Physical Properties
Element Value
Boiling point( C ) 2870
Density( gcm⁻³ ) 8.9@20°C
Thermal Properties
Element Value
Melting point( C ) 1495
Latent heat of evaporation( J g⁻¹ ) 6490
Latent heat of fusion( J g⁻¹ ) 263
Specific heat( J K⁻¹ kg⁻¹ ) 456@25°C
Thermal conductivity( W m⁻¹ K⁻¹ ) 100@0-100°C
Coefficient of thermal expansion( x10⁻⁶ K⁻¹ ) 12.5@0-100°C
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Available Configurations

Properties common to all products in this list

Composition: Co Form: Single Crystal Material: Cobalt CAS Number: 7440-48-4 Commodity: Metals Purity: 99.99% Thickness: 1mm

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Tolerances

Single Crystal
Orientation See Item
Thickness +2% / -1%
Length +2% / -1%

Tolerances

Square
Linear dimension +2% / -1%
Orientation See item