Rare-earth element - Wikipedia
The rare-earth elements (REE), also called the rare-earth metals or rare earths, and sometimes the lanthanides or lanthanoids (although scandium and yttrium, which do not belong to this …
What are rare earth elements, and why are they important?
The rare earth elements (REE) are a set of seventeen metallic elements. These include the fifteen lanthanides on the periodic table plus scandium and yttrium. Rare earth elements are an …
Rare Earth Elements (Metals) - List - ThoughtCo
May 2, 2019 · The rare earth elements (REEs) or rare earth metals (REMs) are a group of metals found within the same ores and possessing similar chemical properties. Scientists and …
A Look at Rare Earth Metals and Their Applications - ThoughtCo
Dec 4, 2019 · Rare earth metals are actually not as rare as their name might imply. They are critical to high-performance optics and lasers, and essential to the most powerful magnets and …
Rare-earth element | Uses, Properties, & Facts | Britannica
Jan 19, 2025 · Rare-earth element, any member of the group of chemical elements consisting of three elements in Group 3 (scandium [Sc], yttrium [Y], and lanthanum [La]) and the first …
REE - Rare Earth Elements - Metals, Minerals, Mining, Uses - Geology.com
Rare earth metals are key ingredients for making the very hard alloys used in armored vehicles and projectiles that shatter upon impact. Substitutes can be used for rare earth elements in …
Rare Earth Elements - List, Applications, Uses & Properties
May 16, 2024 · The rare earth elements (REEs) are 17 metals in Group 3 of the Periodic Table comprising Lanthanide series elements and Scandium and Yttrium (due to similar physical …
Rare-earth element - Properties, Metals, Uses | Britannica
Jan 19, 2025 · The rare-earth metals have exotic (and sometimes complicated) magnetic structures that change with temperature. Most lanthanides have at least two magnetic …
Why are rare earth elements so rare? - Live Science
Oct 1, 2023 · Rare earth elements have a number of useful properties that make them highly sought after by the tech and energy industries. This collection of 17 metals includes the 15 …
Rare Earth Elements - Department of Energy
Rare earth elements (REEs), which comprise of only 17 elements from the entire periodic table, play a critical role to our national security, energy independence, environmental future, and …