Metal-Insulator Transition in Copper Oxide Superconductors

✍ Scribed by Nevill Mott

• Publisher: Elsevier Science
• Year: 1994
• Tongue: English
• Weight: 94 KB
• Volume: 111
• Category: Article
• ISSN: 0022-4596
• DOI: 10.1006/jssc.1994.1190

✦ Synopsis

The metal-insulator transition in a copper-oxide superconductor is discussed. It is shown that at the composition where this occurs at zero temperatures, the number of carriers (bipolarons) varics at (T). This gives a tentative explanation of the behavior of the Hall coefficient. Professor Rao's work has shown that there are important correlations between (T_{\mathrm{c}}) and hole concentration in a range of cuprate superconductors based on lanthanum, neodymium, thallium, and bismuth. This paper discusses the semiconductor-superconductor transition for these materials. O 1994 Academic Press. Inc.