What are 'rare earths' used for?

"Rare earths" are a group of 17 chemically similar elements crucial to the manufacture of many hi-tech products. Despite their name, most are abundant in nature but are hazardous to extract.

DOD Looks to Establish 'Mine-to-Magnet' Supply Chain for Rare …

Rare earth elements are also used in other ways that don't involve magnets. Vehicle-mounted laser range finders, such as those found on Abrams M1A1/2 tanks, make use of rare earth elements, as do ...

REE

REE Periodic Table: The Rare Earth Elements are the 15 lanthanide series elements, plus yttrium. Scandium is found in most rare earth element deposits and is sometimes …

The Rare-Earth Elements— Vital to Modern …

Most REEs are not as rare as the group's name suggests. They were named "rare-earth elements" because most were identified during the 18th and 19th centuries as "earths" (originally defined as materials that could not be changed further by heat) and in comparison to other "earths," such as lime or magnesia, they were relatively rare.

Rare Earth Elements (REE) | U.S. Geological Survey

The project objective is to provide follow-up geophysical ground data acquisition and interpretation for areas involving Precambrian geologic settings in the Upper Midwest and Rocky Mountains. The project is designed fill gaps and to complement the high-quality aeromagnetic acquired during the USGS Earth Mapping Resources Initiative …

Multi-component assembly of luminescent rare earth hybrid materials

1. Introduction. Rare earth compounds-based optical materials have been widely used in areas of illumination, information display, light communication and so on. 1, 2 Because the photoluminescence properties of lanthanide ions (Ln 3+) mostly come from the f → f transitions of its 4f orbitals which are well shielded from the environment by the …

Beyond rare earths | Nature Materials

Beyond rare earths. Nature Materials 23, 303 ( 2024) Cite this article. There is a good reason why the rare-earth elements are so called. When Carl Axel Arrhenius discovered the mineral ytterbite ...

Critical materials for the energy transition: Rare earth …

The rare earths are of a group of 17 chemical elements, several of which are critical for the energy transition. Neodymium, praseodymium, dysprosium and terbium are key to the production of the permanent magnets used in electric vehicles (EVs) and wind turbines. Neodymium is the most important in volume terms.

23 Rarest And Most Expensive Materials On Earth

Saffron – $15 per gram. Saffron is not even close to being one of the rarest things on Earth; still, it is making an entry in our list. The reason is that it grows in the middle of a crocus flower, which is an extremely labor-intensive crop. Around one acre of land of purple crocuses yields only one pound of Saffron.

Understanding Rare Earth Elements as Critical Raw Materials …

1.1. Rare Earth Elements. Rare earth elements (REEs) [ 1 ], sometimes also referred to as rare earth metals (REMs) [ 2] as the basis for rare earth materials [ 3 ], are critical to producing high technology equipment [ 4] and for innovative technologies [ 5 ], often as alloys [ 6] or additives thereof [ 7 ], to achieve advanced material ...

Rare earth elements: A review of applications

Rare earth elements (REE) include the lanthanide series elements (La, Ce, Pr, Nd, Pm, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb, and Lu) plus Sc and Y. Currently these …

Why are rare earth elements so rare? | Live Science

There are 17 rare earth elements on the periodic table, but a better name for them would be the "troublesome earths." Here's why. Comments (1) Why is it so …

U.S. Begins Forging Rare Earth Supply Chain

Sloustcher said the heavy rare earths will be refined in a different building, adding that the project is just getting started. To fully domesticate the magnet supply chain, MP Materials also began construction on the United States' first rare earth magnetics factory in April 2022. Located in Fort Worth, Texas, the facility will be able to ...

A Look at Rare Earth Metals and Their Applications

In order of increasing atomic mass, the 17 rare earth metals and some of their common applications are given below. Scandium: Atomic weight 21. Used to strengthen aluminum alloys. Yttrium: Atomic weight 39. Used in superconductors and exotic light sources. Lanthanum: Atomic weight 57. Used in specialty glasses and optics, …

Rare-earth element | Uses, Properties, & Facts

Chemistry. How rare earth elements' hidden properties make modern technology possible. These 17 metals fine-tune light and generate powerful magnetic fields. In August, China finished...

Journal of Rare Earths | ScienceDirect by Elsevier

The Journal of Rare Earths covers all research and application of RE rare earths including spectroscopy, luminescence and phosphors, rare earth catalysis, magnetism and …

MP Materials, Lynas Rare Earths Merger Falls Through

A ustralia's Lynas Rare Earths Ltd (OTCPK: LYSCF) officially terminated confidential discussions with U.S.-based MP Materials Corp (NYSE:MP), ending speculation about creating a rare earths ...

Rare Earth Magnetic Materials | SpringerLink

The first-generation rare earth permanent magnet SmCo 5 was first reported in 1967 and is a binary intermetallic compound. It consists of a RE-Co permanent magnet composed of RE atoms and other metal atoms in a ratio of 1:5. The melting point of SmCo 5 is 1350 °C and it can be defined as single or multiphase.

What are rare earths?

A single smartphone contains approx. 8 different rare earth materials. Rare Earth Elements are not rare in the earth's crust – but they're rarely found in commercial concentrations as they are in the Mt Weld deposit. Rare earths make cars greener – Cerium (Ce) is used in catalytic converters to reduce exhaust gas pollution.

14 Best Rare Earth Stocks and ETFs

MP Materials Corp. (NYSE:MP), a miner of rare earth minerals, fell -18.8% as weak ore prices weighed on its stock price. The long-term outlook is bright as the EV supply chain continues to expand ...

Rare Earth Elements (Metals)

The rare earth elements are metals located in the first row below the main body of the periodic table. DAVID MACK / Getty Images. By. Anne Marie Helmenstine, …

About Us

Brief Introduction. HNRE was founded in 1958, as one of the 242 transformed scientific research institutes of China State Council. HNRE is one of the first two institutions engaged in rare earth smelting, separation, application research and development in China. HNRE is also a decorated unit successfully developed by China's "two bombs and one ...

Critical Materials Rare Earths Supply Chain: A …

U.S.12 REEs are not "rare" in the sense that they are commonly found in the Gaps in the domestic supply chain are shown in red. Earth's crust. However, economic, mineable concentrations of REEs are less common. Currently, there is only one active REE mine in the U.S. at Mountain Pass, CA, operated by MP Materials.

The Energy Transition Will Need More Rare Earth Elements.

Moreover, since 2017, the company has reduced its use of heavy rare earths in its Model 3s by 25 percent. ... Japan has been recycling its e-waste for rare materials since 2010. The U.S., second to China in producing e-waste, only recycled 15 percent of its e-waste in 2019; in contrast, Europe recycled 42.5 percent of its e-waste the same year. ...

Rare-earth element

Cerium, which is the most abundant, ranks 28th, and thulium, the least abundant, ranks 63rd. Collectively, the rare earths rank as the 22nd most abundant "element" (at the 68th percentile mark). The non- lanthanide rare-earth elements, yttrium and scandium, are 29th and 44th, respectively, in their abundances.

How science could make recycling rare earth elements easier

The process, which has also been used on material left over from magnet manufacturing that typically goes to waste, can recover 90 to 98 percent of the rare earths, and the material is pure enough ...

Over 2 billion tons of rare Earth mineral found in US could …

The US could soon become a world leader in rare earth minerals after over two billion metric tons were found in Wyoming. The discovery could mean America taking over China, whose supplies stand at 44 million metric tons. According to American Rare Earths Inc, the discovery 'exceeded [their] wildest dreams' having only drilled around a …

Rare Earth Luminescent Materials and Laser Materials

Consequently, the theory of rare earth spectroscopy and the application of rare earth luminescent materials have developed greatly (MPL 2014). Since the 1970s, China's many research institutions and universities have been at the forefront of studies on the spectral and luminescence properties of rare earths, contributing to different aspects ...

The global fight for critical minerals is costly and damaging

Elements such as rare-earth metals are crucial for the clean-energy transition. Sustainability, equity and security are all at risk in the rush to break China's dominance over their production.

Global Critical Materials

Peak Rare Earths seals Ngualla supply agreement with China's Shenghe subsidiary. Australia-based Peak Rare Earths stock price surged 6% on the ASX, to close at A$0.52, following an announcement it had struck a long-term offtake agreement for its Ngualla rare earth project in Tanzania.