Europium

Europium

Europium (Eu) is a soft, silvery metal belonging to the lanthanide series and is known for its exceptional ability to absorb neutrons and emit visible light. With a melting point of 826 °C, it is among the most reactive rare earth elements, oxidizing rapidly in air and reacting with water. Europium is typically extracted from minerals like monazite and bastnäsite using ion exchange and solvent extraction processes.

Goodfellow's high-purity Europium products are tailored to meet the demands of advanced research and industrial applications. Available in forms such as powder, rod, sputtering target, and wire, europium is renowned for its unique optical and magnetic properties. Its phosphorescence and ability to emit bright red light make it indispensable in lighting and display technologies, including LEDs, fluorescent lamps, and modern screens. Europium is also critical in anti-counterfeiting measures for banknotes and in nuclear reactors as a control rod material due to its high neutron absorption cross-section. Additionally, it is used in medical imaging technologies like MRI and as a dopant in semiconductors for lasers. Goodfellow’s europium products support innovation in fields such as photonics, material science, and clean energy. Their versatile properties make them essential for researchers and engineers developing next-generation technologies across diverse industries.



General Properties

PropertyValue
Atomic Number63
Density5.264 g/cm³
Melting Point826 °C
Boiling Point1529 °C
Thermal Conductivity13.9 W/m·K
Electrical Resistivity920 nΩ·m
Crystal StructureBody-Centered Cubic (BCC)

Mechanical Properties

PropertyValue
Tensile StrengthUnknown / Not well defined
Yield StrengthUnknown / Not well defined
Young’s Modulus18.2 GPa
HardnessBrinell ~167 (approximate)
Elongation at BreakUnknown / Not well defined
Poisson’s Ratio0.15

Chemical Properties

PropertyValue
Corrosion ResistancePoor; oxidizes rapidly in air
ReactivityHighly reactive with water and air
Oxidation States+2, +3
Surface OxideForms Eu₂O₃ and EuO
IdentifierValue
SymbolEu
Atomic Number63
CAS Number7440-53-1
UN NumberUN3089 (powder)
EINECS Number231-161-7
IsotopeTypeNotes
Eu-151StableNatural abundance: ~47.8%
Eu-153StableNatural abundance: ~52.2%

Scientific Applications

Use CaseDescription
Luminescence StudiesUsed as a red and blue phosphor activator in research and sensors
Neutron AbsorptionStudied for nuclear shielding and control rod designs
Laser MaterialsDoped into materials for laser emission studies
Organic ElectronicsIntegrated into OLED materials for emissive layers
SpectroscopyActs as a probe for fluorescence and emission analysis

Industrial Applications

Use CaseDescription
Display TechnologiesKey component in red phosphors for LCD and CRT screens
Fluorescent LampsUsed in phosphor blends for white light generation
AnticounterfeitingIntegrated in inks and coatings for security features
Nuclear ReactorsUtilized in control rods due to high neutron absorption cross-section
Glass ManufacturingUsed to improve light emission in specialty glass
PurityCommon UsesNotes
99.9% (3N)Phosphors, general electronics, lab-scale researchSuitable for most academic and low-impurity applications
99.95% (3N5)Display-grade phosphors, high-purity targetsPreferred where enhanced luminescence or purity is critical
Synonym
Eu
Eu metal
Eu element
Europium metal
Europium element
Europium rare earth metal
Europium rare earth element
Element 63