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Bismuth Square Single Crystal

Available Configurations

Properties common to all products in this list

Composition: Bi Form: Single Crystal Material: Bismuth CAS Number: 7440-69-9 Commodity: Metals Purity: 99.999% Thickness: 1mm Orientation: (111)
Bismuth Square Single Crystal offers exceptional electronic, thermal, and optical properties due to its defect-minimized, long-range-ordered crystal lattice. Its strong diamagnetism, high anisotropic electrical conductivity, and low thermal conductivity make it ideal for precision electronic and quantum materials research. Industries such as thermoelectrics, magneto-optics, and semiconductor device prototyping employ bismuth square single crystals for creating model systems, calibrating instrumentation, and testing novel device architectures. Specific applications include serving as substrates for thin-film epitaxy, model materials for electron–phonon coupling studies, and magneto-optical calibration standards. In research, the controlled growth and structural uniformity of bismuth square crystals are critical for understanding topological surface states, optimizing thermoelectric conversion efficiency, and advancing low-temperature electronic devices. Their combination of purity, anisotropy, and reproducibility ensures continued importance in both fundamental condensed matter research and high-precision industrial applications.
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Material Properties

Atomic Properties
Element Value
Atomic number 83
Crystal structure Rhombohedral
Electronic structure Xe 4f¹⁴ 5d¹⁰ 6s² 6p³
Valences shown 3, 5
Atomic weight( amu ) 208.9804
Thermal neutron absorption cross-section( Barns ) 0.034
Photo-electric work function( eV ) 4.4
Atomic radius - Goldschmidt( nm ) 0.182
Ionisation potential( No./eV ) 5/ 56.0
Ionisation potential( No./eV ) 1/ 7.29
Ionisation potential( No./eV ) 3/ 25.6
Ionisation potential( No./eV ) 4/ 45.3
Ionisation potential( No./eV ) 6/ 88.3
Ionisation potential( No./eV ) 2/ 16.7
Mechanical Properties
Element Value
Material condition Polycrystalline
Poisson's ratio 0.33
Bulk modulus( GPa ) 31.3
Tensile modulus( GPa ) 34
Hardness - Vickers( kgf mm⁻² ) 16-19
Electrical Properties
Element Value
Electrical resistivity( µOhmcm ) 117@20°C
Temperature coefficient( K⁻¹ ) 0.0046@0-100°C
Thermal emf against Pt (cold 0C - hot 100C)( mV ) -7.34
Physical Properties
Element Value
Boiling point( C ) 1560
Density( gcm⁻³ ) 9.8@20°C
Thermal Properties
Element Value
Melting point( C ) 271.3
Latent heat of evaporation( J g⁻¹ ) 857
Latent heat of fusion( J g⁻¹ ) 52
Specific heat( J K⁻¹ kg⁻¹ ) 124@25°C
Thermal conductivity( W m⁻¹ K⁻¹ ) 7.9@0-100°C
Coefficient of thermal expansion( x10⁻⁶ K⁻¹ ) 13.4@0-100°C
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Available Configurations

Properties common to all products in this list

Composition: Bi Form: Single Crystal Material: Bismuth CAS Number: 7440-69-9 Commodity: Metals Purity: 99.999% Thickness: 1mm Orientation: (111)

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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