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Europium’s superconductivity demonstrated

The rare earth metal is the 53rd naturally occurring element to possess the property

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12:35pm, May 20, 2009

An old element just learned a new trick under pressure. When cooled and squeezed very hard, the soft metallic element europium turns into a superconductor, allowing electrons to flow unfettered by resistance, a study appearing May 13 in Physical Review Letters shows. The results make europium the 53rd of the 92 naturally occurring elements to possess superconductivity, which, if harnessed, could make for more efficient energy transfer.

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