Abstract
The critical temperature of the phase transition normal conductivity/superconductivity can be controlled continuously and reversibly between 93 K and 30 K for the high‐temperature superconductor YBa2Cu3O7 over a nonstoichiometric range Yba2Cu3Ox (7 ≥ x ≥ 6.5) by means of topotactic oxygen intercalation and deintercalation. Hydrogen and lithium can also be inserted into the lattice of the superconductor at low temperatures. 7Li‐NMR investigations revealed a high mobility of the Li ions at room temperature.
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Schedule a callMore From: Angewandte Chemie International Edition in English
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