Authored by: Jeffery L. Tallon

Handbook of Superconductivity

Print publication date:  July  2022
Online publication date:  July  2022

Print ISBN: 9781439817322
eBook ISBN: 9780429179181
Adobe ISBN:


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Probably the most extensively studied high-temperature superconductor (HTS) is YBa2Cu3O7-x, abbreviated YBCO or just Y-123 (T c = 93 K). This compound was discovered in early 1987 by Wu et al [1] and is the first compound found for which T c exceeded the boiling point of liquid nitrogen (77 K at 1 atm). It seems fitting that this material exhibits one of the most interesting and complex relationships between chemistry, crystal structure and physical properties of any ceramic material ever studied.

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