China puts new limits on rare earths
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Beijing ramped up sweeping restrictions on rare earth exports on Thursday, expanding the list of minerals under control and ...
The special properties of rare earth magnetic materials are due to the electrons in the 4f shell. Until now, the magnetic properties of 4f electrons were considered almost impossible to control.
China dramatically expanded its rare earths export controls on Thursday, adding five new elements and extra scrutiny for semiconductor users as Beijing tightens control over the sector ahead of talks ...
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