Superconductivity above 10 K in Non-Cuprate Oxides
David C. Johnston
TL;DR
This paper reviews the discovery of superconductivity above 10 K in non-cuprate oxides, focusing on spinel and perovskite structured materials, highlighting their significance in the history of superconductivity research.
Contribution
It provides a retrospective analysis of key non-cuprate oxide superconductors with transition temperatures above 10 K, emphasizing their structural and compositional features.
Findings
Superconductivity above 10 K was found in non-cuprate oxides starting from 1973.
Spinel structure LiTi2O4 exhibits superconductivity with T_c between 10 and 30 K.
Perovskite structure (Ba,K)(Bi,Pb)O3 also shows superconductivity in the same temperature range.
Abstract
Beginning in 1973, several non-cuprate transition metal and non-transition metal oxides were discovered with superconducting transition temperatures between 10 and 30 K. Retrospectives about these discoveries in spinel structure LiTi2O4 and perovskite structure (Ba,K)(Bi,Pb)O3 are given.
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Taxonomy
TopicsMicrowave Dielectric Ceramics Synthesis · Nuclear materials and radiation effects · Electronic and Structural Properties of Oxides