The highT c superconductor YBa2Cu3O7−x has been found to lose appreciable amount of oxygen in a surprisingly low temperature range (∼425–630 K), which drastically degrades the superconducting property. Accompanying this oxygen loss, the resistance behaviour has also been found to change from metallic to semiconducting.
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Ota, S.B., Varshney, L., Chandrasekhar Rao, T.V. et al. Oxygen stability in YBa2Cu3O7−x . Pramana - J. Phys. 30, L443–L453 (1988). https://doi.org/10.1007/BF02935600
- High temperature superconductivity
- oxygen stability