Europium - 63Eu: physical properties
Density properties
- Density of solid: 5244 kg m‑3
- Molar volume: 28.97 cm3
Elastic properties
- Young's modulus: 18 GPa
- Rigidity modulus: 7.9 GPa
- Bulk modulus: 8.3 GPa
- Poisson's ratio: 0.15 (no units)
Hardnesses
- Mineral hardness: (no data) (no units)
- Brinell hardness: (no data) MN m-2
- Vickers hardness: 167 MN m-2
Electrical properties
- Electrical resistivity: 90 × 10‑8 Ω m; or mΩ cm
Heat and conduction
- Thermal conductivity: 14 W m‑1 K‑1
- Coefficient of linear thermal expansion: 35 × 10‑6 K‑1
Optical properties
- Reflectivity: (no data) %
- Refractive index: (no data) (no units)
Acoustic properties
- Velocity of sound: (no data) m s‑1