Antimony Top Hat Single Crystal

Antimony Top Hat Single Crystal is a precision-machined monocrystalline form of antimony shaped into a specialized “top hat” geometry for advanced scientific and industrial integration. Its single-crystal structure ensures exceptional crystallographic uniformity, minimal defect density, and anisotropic electrical and thermal properties, making it ideal for high-performance electronic, thermoelectric, and optical systems. The top hat configuration enables secure mounting and alignment in specialized instrumentation. Industries such as semiconductor research, infrared sensing, and thermoelectric engineering benefit from its unique properties. Specific uses include precision calibration targets for IR detectors, epitaxial growth substrates requiring defined crystal orientation, and thermoelectric modules demanding directional conductivity. In research, it supports investigations into antimony-based high-κ dielectrics, doping effects on single-crystal semimetals, and crystallographic influence on transport phenomena. Its blend of geometric precision, structural perfection, and functional anisotropy makes it invaluable for high-end materials science and device prototyping.

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Tolerance

Properties

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Acute toxicity

Hazardous to the environment

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Tolerances

Single Crystal

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

Top Hat

Inside Diameter		+2% / -1%
Outside Diameter		+2% / -1%
Bottom Section Thickness		+2% / -1%
Top Section Thickness		+2% / -1%

Material Properties for Metals

Atomic Properties

Element	Value
Atomic number	51
Crystal structure	Rhombohedral
Electronic structure	Kr 4d¹⁰ 5s² 5p³
Valences shown	-3,0,3,5
Atomic weight( amu )	121.75
Thermal neutron absorption cross-section( Barns )	5
Photo-electric work function( eV )	4.1
Natural isotope distribution( Mass No./% )	121/ 57.3
Natural isotope distribution( Mass No./% )	123/ 42.7
Atomic radius - Goldschmidt( nm )	0.161
Ionisation potential( No./eV )	1/ 8.64
Ionisation potential( No./eV )	3/ 25.3
Ionisation potential( No./eV )	2/ 16.53
Ionisation potential( No./eV )	5/ 56.0
Ionisation potential( No./eV )	4/ 44.2
Ionisation potential( No./eV )	6/ 108

Mechanical Properties

Element	Value
Hardness - Mohs	3-3.3
Material condition	Polycrystalline
Poisson's ratio	0.25-0.33
Bulk modulus( GPa )	42
Tensile modulus( GPa )	54.7

Electrical Properties

Element	Value
Electrical resistivity( µOhmcm )	40.1@20@20°C
Temperature coefficient( K⁻¹ )	0.0051@0-100°C
Thermal emf against Pt (cold 0C - hot 100C)( mV )	4.89

Physical Properties

Element	Value
Boiling point( C )	1750
Density( gcm⁻³ )	6.68@20

Thermal Properties

Element	Value
Melting point( C )	630.7
Latent heat of evaporation( J g⁻¹ )	1370
Latent heat of fusion( J g⁻¹ )	163
Specific heat( J K⁻¹ kg⁻¹ )	205@25°C
Thermal conductivity( W m⁻¹ K⁻¹ )	24.4@0-100°C
Coefficient of thermal expansion( x10⁻⁶ K⁻¹ )	9@0-100°C