Publication | Closed Access
EXAFS Studies on Y<sub>1-<i>x</i></sub>Ba<sub><i>x</i></sub>CuO<sub>3-δ</sub>Superconductors
12
Citations
8
References
1987
Year
Superconducting MaterialEngineeringBismuth-based SuperconductorsTemperature DependenceNovel SuperconductorsSuperconductivityQuantum MaterialsHigh Tc SuperconductorsSuperconducting DevicesExafs StudiesLow-temperature SuperconductivityMaterials ScienceHigh-tc SuperconductivityPhysicsHigh-temperature SuperconductivityCryogenicsApplied PhysicsCondensed Matter PhysicsDebye-waller FactorBreathing-mode Vibration
The temperature dependence of the EXAFS (Extended X-ray Absorption Fine Structure) method has been carried out to study high- T c superconductors of composition Y 1- x Ba x CuO 3-δ with x =0.6. The anomalous behavior of the Debye-Waller factor in the superconducting transition region is observed, which may result from the breathing-mode vibration of oxygen atoms around Cu atoms, as reported in the oxide superconductor La-Sr-Cu-O system.
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