Handbook on the Physics and Chemistry of Rare Earths

Handbook on the Physics and Chemistry of Rare Earths

Format:
E-Book (pdf)
EAN:
9780080544373
Untertitel:
High Temperature Rare Earths Superconductors - I
Genre:
Physik, Astronomie
Herausgeber:
Elsevier Science & Techn.
Anzahl Seiten:
656
Erscheinungsdatum:
15.12.2000

This volume of the Handbook is the first of a two-volume set of reviews devoted to the rare-earth-based high-temperature oxide superconductors (commonly known as hiT superconductors). The history of hiT superconductors is a few months short of being 14 years old when Bednorz and Müller published their results which showed that (La,BA)CuO had a superconducting transition of ~30 K, which was about 7K higher than any other known superconducting material. Within a year the upper temperature limit was raised to nearly 100K with the discovery of an ~90K superconducting transition in YBaCuO. The announcement of a superconductor with a transition temperature higher than the boiling point of liquid nitrogen set-off a frenzy of research on trying to find other oxide hiT superconductors. Within a few months the maximum superconducting transition reached 110 K (BiSrCaCu0, and then 122K (TlBaCaCuO. It took several years to push T up another 11 K to 133 K with the discovery of superconductivity in HgBaCaCuO, which is still the record holder today.










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