Abstract
The presence of macroscopic phase separation into superconducting and spin-glass-like magnetic phases in LaFeAs(O1-xFx) is demonstrated by muon spin rotation measurement in a sample near the phase boundary (x = 0:06). Both magnetism and superconductivity develop simultaneously below a common critical temperature, Tm ≃ Tc ≃ 18 K. This remarkable accordance strongly suggests that the electronic correlations leading to these two competing ground states share a common origin.
| Original language | English |
|---|---|
| Article number | 103703 |
| Journal | Journal of the Physical Society of Japan |
| Volume | 77 |
| Issue number | 10 |
| DOIs | |
| Publication status | Published - 2008 Oct 1 |
| Externally published | Yes |
Keywords
- Electronic correlation
- Magnetism
- Muon spin rotation
- Oxypnictide superconductor
ASJC Scopus subject areas
- Physics and Astronomy(all)
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Takeshita, S., Kadono, R., Hiraishi, M., Miyazaki, M., Koda, A., Kamihara, Y., & Hosono, H. (2008). Coexistence of supercondcutivity and magnetism in LaFeAs(O 0.94F0.06) probed by muon spin relaxation. Journal of the Physical Society of Japan, 77(10), [103703]. https://doi.org/10.1143/JPSJ.77.103703