Dy
162.500Dysprosium
Disprozyum
Dysprosium is a lanthanide with atomic number 66. It is critical for high-temperature Nd-Fe-B magnets in electric vehicles and wind turbines, Terfenol-D, neutron absorbing materials and magneto-optic storage history.
66
162.5 g/mol
[Xe] 4f¹⁰ 6s²
2 | 8 | 18 | 28 | 8 | 2
1.22
8.551 g/cm³
1406.8 °C
2566.8 °C
Lecoq de Boisbaudran
Dysprosium was discovered in 1886 by Paul Émile Lecoq de Boisbaudran. Its name comes from the Greek dysprositos, meaning hard to get, because it was very difficult to separate from other rare earths.
Dysprosium-156
Natural abundance: About 0.06%. Rare stable isotope.Dysprosium-158
Natural abundance: About 0.10%. Rare stable isotope of dysprosium.Dysprosium-160
Natural abundance: About 2.3%. Stable isotope of dysprosium.Dysprosium-161
Natural abundance: About 18.9%. Stable isotope of dysprosium.Dysprosium-162
Natural abundance: About 25.5%. Stable isotope of dysprosium.Dysprosium-163
Natural abundance: About 24.9%. Stable isotope of dysprosium.Dysprosium-164
Natural abundance: About 28.3%. Most abundant natural dysprosium isotope.Dy₂O₃
Dysprosium(III) OxideNeutron absorber, ceramic material and dysprosium compound precursor.DyFe₂
Dysprosium-Iron CompoundMagnet and magnetostrictive material component.Tb₀.₃Dy₀.₇Fe₂
Terfenol-DGiant magnetostrictive alloy used in actuators and sonar.DyI₃
Dysprosium IodideHalide lamp additive for intense white light.- Dysprosium additions to Nd-Fe-B magnets for high-temperature electric vehicle motors and wind turbine generators
- Terfenol-D magnetostrictive alloy with terbium and iron
- Dysprosium oxide-nickel materials and other neutron absorbers for reactor control
- Dysprosium iodide in high-intensity discharge lamps
- Magneto-optic recording materials and specialized magnetic research
Dysprosium has no known essential biological role.
- Dysprosium is one of the hidden critical materials behind high-performance electric vehicle motors.
- Small dysprosium additions can help Nd-Fe-B magnets resist demagnetization at high operating temperatures.
- The name dysprosium literally points to how difficult it was to obtain in pure form.
- Dysprosium contributes to Terfenol-D, one of the best-known giant magnetostrictive materials.
- Dysprosium has atomic number 66 and is a lanthanide.
- Its electron configuration is [Xe] 4f¹⁰ 6s².
- The common oxidation state is +3.
- Remember dysprosium for EV motor magnets, wind turbines and neutron absorption.
What is the atomic number of dysprosium?
The atomic number of dysprosium is 66.
What is the electron configuration of dysprosium?
Dysprosium has the electron configuration [Xe] 4f¹⁰ 6s².
What is dysprosium used for?
Dysprosium is used in high-temperature rare earth magnets, Terfenol-D, reactor control materials, discharge lamps and magneto-optic materials.
Why is dysprosium important for electric vehicles?
Dysprosium helps Nd-Fe-B motor magnets keep coercivity and magnetic strength at high temperatures.
What does the name dysprosium mean?
Dysprosium comes from a Greek word meaning hard to get, reflecting the difficulty of isolating the element.
Is dysprosium a rare earth element?
Yes. Dysprosium is a heavy lanthanide rare earth element.