作者: A. W. Sleight
DOI: 10.1126/SCIENCE.242.4885.1519
关键词:
摘要: Spectacular advances in superconductors have taken place the past two years. The upper temperature for superconductivity has risen from 23 K to 122 K, and there is reason believe that ascent still ongoing. materials causing this excitement are oxides. Those oxides superconduct at highest temperatures contain copper-oxygen sheets; however, other elements such as bismuth thallium play a key role new class of superconductors. These attracting attention because possibility wide range applications science fascinating. A material passes an electrical current with virtually no loss more remarkable when occurs 120 instead 20 K.