Element-specific probe of Ru magnetism and local structuren in RuSr{sub 2}Eu{sub 1.5}Ce{sub 0.5}Cu{sub 2}O{sub 10}.
Element-specific x-ray magnetic circular dichroism measurements at the Ru L{sub 3} absorption edge are used to search for the presence of a net Ru ferromagnetic moment in the superconducting state of RuSr{sub 2}Eu{sub 1.5}Ce{sub 0.5}Cu{sub 2}O{sub 10}. A net moment of 0.21 {micro}{sub B}/Ru is observed in zero applied field. Together with a homogeneous Ru local structure probed by x-ray absorption fine-structure measurements, the results unequivocally demonstrate the coexistence of a ferromagnetic component in the magnetically ordered RuO{sub 2} planes with superconductivity in the CuO{sub 2} planes.
- Research Organization:
- Argonne National Laboratory (ANL)
- Sponsoring Organization:
- SC
- DOE Contract Number:
- AC02-06CH11357
- OSTI ID:
- 979880
- Report Number(s):
- ANL/XSD/JA-65200
- Journal Information:
- Phys. Rev. B, Journal Name: Phys. Rev. B Journal Issue: 14 ; 2009 Vol. 80; ISSN 1098-0121
- Country of Publication:
- United States
- Language:
- ENGLISH
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