Second family of high-temperature superconductors discovered

摘要

Researchers in China and Japan have discovered a new family of high-temperature superconductors-materials that conduct electricity without any resistance at high temperatures.rnPhysicists are hailing the discovery of the new iron-arsenic compounds as a major advance, as the only other high-temperature superconductors are copper-oxygen compounds (cuprates) that were discovered in 1986.rnPhysicists still do not agree about how cuprates work, leaving high-temperature superconductivity the biggest mystery in condensed matter physics. Some researchers hope the new materials will help solve it.