Chapter

High-<i>T<sub>c</sub></i> electron-coupled superconductivity: cuprate and iron-based superconductors

E. L. Wolf

in Principles of Electron Tunneling Spectroscopy

Second edition

Published in print November 2011 | ISBN: 9780199589494
Published online January 2012 | e-ISBN: 9780191731334 | DOI: http://dx.doi.org/10.1093/acprof:oso/9780199589494.003.0007

Series: International Series of Monographs on Physics

High-Tc electron-coupled superconductivity: cuprate and iron-based superconductors

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This chapter presents the basic phenomena and concepts of high-Tc superconductivity. The discovery of Bednorz and Muller, families of cuprate superconductors, and their relation to copper oxide planes are described; along with the Zhang Rice singlet model. Phase diagrams of cuprate and iron based superconductors are shown. The structures of Bi2212 and YBCO are described, emphasizing their layered nature and evidence of a d-wave order parameter. Disorder sites are discussed, and the question of inherent inhomogeneity is addressed in connection with specific heat data. The key experimental features of nodal superconductivity are listed, including the corner SQUID measurement of Van Harlingen and the scanning SQUID images of Tsuei et al. Andreev St. James tunnelling spectra are described.

Keywords: nodal; d-wave; cuprate; BSCCO; YBCO; SQUID; electron-coupled doping; Bednorz and Muller

Chapter.  8971 words.  Illustrated.

Subjects: Condensed Matter Physics

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