China’s restrictions are also seen as a response to Trump’s “reciprocal tariffs” on Chinese goods announced in April. After ...

Part of the lanthanide series, erbium (Er) is a rare-earth element found in a wide range of minerals like blomstrandine, polycrase, fergusonite, euxenite, xenotime, and gadolinite. C.G. Mosander ...

China said on Thursday it planned to add five more rare earth elements and related materials to its export controls list, ...

China has broadened its export restrictions on rare earth elements by including five additional elements under the new ...

In a separate release at the same time, the ministry also added dozens of pieces of rare earth processing equipment to the ...

Lasers have revolutionized the world since the 60s and are now indispensable in modern applications, from cutting-edge surgery and precise manufacturing to data transmission across optical fibers. But ...

Erbium-doped fibre amplifiers (EDFAs) represent a cornerstone in modern optical communications, offering high gain amplification across the C- and L-bands. These devices leverage the unique energy ...

China expanded its restricted rare earths list from 7 to 12 elements, adding holmium, erbium, thulium, europium, and ytterbium, and extended controls to cover not just the materials themselves but the ...

Random wavelengths: artist's impression of a method for measuring and controlling quantum spins developed at Princeton University. (Courtesy: Rachel Davidowitz) The spin states of entangled erbium ...

Structural characterizations for the as-prepared catalysts. (a) XRD patterns of the Co3O4 and 4% Er−Co3O4. (b) Crystal structure of the Co3O4 in this study. (c) TEM image of 4% Er− Co3O4, (d-e) HRTEM ...