Despite lack of free electrons, bismuth superconducts

Theoretical questions raised by element’s loss of electrical resistance near absolute zero

bismuth

CONDUCTIVE CRYSTAL  A pure crystal of bismuth, like this cube (right), superconducts below 5 ten-thousandths of a kelvin, scientists report. Impure crystals of bismuth display iridescent patterns due to layers of oxidation that form on their surface (left).

Alchemist-hp/Wikimedia Commons (CC BY-NC-ND 3.0)

This article is only available to Science News subscribers.

Subscribers, enter your e-mail address to access our archives.

Not a subscriber?

Science News is a nonprofit.

Support us by subscribing now.

More Stories from Science News on Physics

From the Nature Index

Paid Content