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Formula: Be
Form: Sputtering Target
Material: Beryllium
CAS Number: 7440-41-7
Commodity: Metals
Purity: 99%
Beryllium Sputtering Target is a high-purity metallic source material engineered for thin-film deposition in applications demanding excellent thermal conductivity, low density, and unique electronic properties. Its fine-grained, homogeneous microstructure ensures consistent sputtering performance, producing films with superior adhesion, uniformity, and controlled thickness. Industries such as aerospace, semiconductor manufacturing, and high-performance optics use beryllium sputtering targets to create coatings that require both thermal stability and lightweight strength. Specific applications include deposition of thermally conductive films for heat-spreading layers in microelectronics, high-reflectivity optical coatings, and specialized layers in extreme-environment sensors. In research, beryllium sputtering targets are vital for studying thin-film microstructure, optimizing deposition parameters for high-purity films, and developing next-generation components where weight reduction and thermal management are critical. Its combination of low atomic mass, exceptional heat dissipation, and deposition precision makes it indispensable in advanced manufacturing and scientific innovation.

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Material Properties for Metals

Atomic Properties
Element Value
Atomic number 4
Crystal structure Hexagonal close packed
Electronic structure He 2s²
Valences shown 2
Atomic weight( amu ) 9.01218
Thermal neutron absorption cross-section( Barns ) 0.0092
Photo-electric work function( eV ) 3.4
Atomic radius - Goldschmidt( nm ) 0.113
Ionisation potential( No./eV ) 2/ 18.2
Ionisation potential( No./eV ) 1/ 9.32
Ionisation potential( No./eV ) 4/ 218
Ionisation potential( No./eV ) 3/ 154
Mechanical Properties
Element Value
Material condition Hard
Material condition Soft
Poisson's ratio 0.02
Poisson's ratio 0.02
Bulk modulus( GPa ) 110
Bulk modulus( GPa ) 110
Tensile modulus( GPa ) 318
Tensile modulus( GPa ) 318
Hardness - Vickers( kgf mm⁻² ) 150
Hardness - Vickers( kgf mm⁻² ) 200
Tensile strength( MPa ) 550
Tensile strength( MPa ) 310
Yield strength( MPa ) 345
Yield strength( MPa ) 240
Electrical Properties
Element Value
Electrical resistivity( µOhmcm ) 3.3@20@20°C
Superconductivity critical temperature( K ) 0.026
Temperature coefficient( K⁻¹ ) 0.009@0-100°C
Physical Properties
Element Value
Boiling point( C ) 2470
Density( gcm⁻³ ) 1.848@20°C
Thermal Properties
Element Value
Melting point( C ) 1278
Latent heat of evaporation( J g⁻¹ ) 32470
Latent heat of fusion( J g⁻¹ ) 1350
Specific heat( J K⁻¹ kg⁻¹ ) 1825@25°C
Thermal conductivity( W m⁻¹ K⁻¹ ) 201@0-100°C
Coefficient of thermal expansion( x10⁻⁶ K⁻¹ ) 12@0-100°C

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