Europium Powder

Europium Powder is a highly reactive rare-earth metal form valued for its strong luminescent properties, unique red emission under UV excitation, and versatility as a precursor in advanced material synthesis. Its high surface area relative to bulk forms enables efficient chemical reactivity, making it ideal for alloying, doping, and catalytic applications. Key industries utilizing Europium Powder include phosphor manufacturing, optoelectronics, and functional polymer composites. Notable uses include its role in producing europium-doped red phosphors for LEDs and display technologies, integration into metal–organic frameworks for sensing and electrochemical devices, and incorporation into advanced luminescent polymers for optical instruments. In research, its availability in finely divided form facilitates reaction control, enabling the design of new functional materials with tailored optical and electronic characteristics. This combination of reactivity, luminescence, and compatibility with diverse synthesis routes underlines its strategic importance in both scientific innovation and high-value industrial processes.

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Tolerance

Properties

Reference & Citations

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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

Material Properties for Metals

Atomic Properties

Element	Value
Atomic number	63
Crystal structure	Body centred cubic
Electronic structure	Xe 4f⁷ 6s²
Valences shown	2, 3
Atomic weight( amu )	151.96
Thermal neutron absorption cross-section( Barns )	4100
Photo-electric work function( eV )	2.5
Natural isotope distribution( Mass No./% )	153/ 52.2
Natural isotope distribution( Mass No./% )	151/ 47.8
Atomic radius - Goldschmidt( nm )	0.204
Ionisation potential( No./eV )	1/ 5.67
Ionisation potential( No./eV )	2/ 11.25

Mechanical Properties

Element	Value
Material condition	Polycrystalline
Poisson's ratio	0.286
Bulk modulus( GPa )	12.1
Tensile modulus( GPa )	14.7
Hardness - Vickers( kgf mm⁻² )	20

Electrical Properties

Element	Value
Electrical resistivity( µOhmcm )	90.0@25@25°C
Temperature coefficient( K⁻¹ )	0.0048@0-100°C

Physical Properties

Element	Value
Boiling point( C )	1597
Density( gcm⁻³ )	5.243@25°C

Thermal Properties

Element	Value
Melting point( C )	822
Latent heat of evaporation( J g⁻¹ )	1155
Latent heat of fusion( J g⁻¹ )	63.4
Specific heat( J K⁻¹ kg⁻¹ )	176@25°C
Thermal conductivity( W m⁻¹ K⁻¹ )	13.9@0-100°C
Coefficient of thermal expansion( x10⁻⁶ K⁻¹ )	32@0-100°C