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Comparison of the Magnetic Ordering in Sr2Yb1Ru0.9Cu0.1O6 and Ru1Sr2Gd1Cu2O8 Superconductors
- Comparison of the Magnetic Ordering in Sr2Yb1Ru0.9Cu0.1O6 and Ru1Sr2Gd1Cu2O8 Superconductors
- Ahmad, D.; Kim, G. C.; Ko, Rock-Kil; Kwon, Yong Seung; Kim, Y. C.
- DGIST Authors
- Kwon, Yong Seung
- Issue Date
- Journal of Superconductivity and Novel Magnetism, 27(8), 1807-1812
- Article Type
- Antiferromagnetic Orderings; Diamagnetic Signals; Ferromagnetic Component; Magnetic Transitions; Magnetization; Magnetization Data; Ruthenates; Rutheno-Cuprate; Rutheno-Cuprates; Solid State Reactions; Superconducting Materials; Superconductivity; X Ray Diffraction; Ytterbium; Zero-Field-Cooled Magnetizations
- Ru1Sr2Gd1Cu2O8 and Sr2Yb1Ru0.9Cu0.1O6 were synthesized using a solid-state reaction. X-ray diffraction showed that Ru 1Sr2Gd1Cu2O8 crystallized into the tetragonal Ru-1212 structure (space group P4/mmm), whereas the Sr 2Yb1Ru0.9Cu0.1O6 had a monoclynic structure (space group P21/n). Sr2Yb 1Ru0.9Cu0.1O6 showed a possible magnetic transition (T m a g ) at 44 K with a superconducting transition temperature T c at 30 K. In contrast, Ru 1Sr2Gd1Cu2O8 showed a magnetic transition at 140 K with a T c at 25 K. The magnetization data for Sr2Yb1Ru0.9Cu0.1O 6 suggests that this sample exhibits antiferromagnetic ordering in zero-field-cooled (ZFC) magnetization, whereas it reveals a weak ferromagnetic component during field-cooled (FC) cycles. In addition, larger diamagnetic signals were observed during FC cycle compared to the ZFC. These results suggest that the valence state of the Yb ion have a significant effect on the magnetic state of the Sr2Yb1Ru0.9Cu0.1O 6 superconductor. © 2014 Springer Science+Business Media New York.
- Springer New York LLC
- Related Researcher
Kwon, Yong Seung
Quantum Functional Materials Laboratory
High Tc Superconductors and magnetic materials; Thermoelectric Materials
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- Emerging Materials ScienceQuantum Functional Materials Laboratory1. Journal Articles
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