Journal
PHYSICAL REVIEW B
Volume 82, Issue 6, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevB.82.060508
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Funding
- PRIN
- PSI EU
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We report on the coexistence of magnetic and superconducting states in CeFeAsO1-xFx for x = 0.06(2), characterized by transition temperatures T-m = 30 K and T-c = 18 K, respectively. Zero-field and transverse-field muon-spin-relaxation measurements show that below 10 K the two phases coexist within a nanoscopic scale over a large volume fraction. This result clarifies the nature of the magnetic-to-superconducting transition in the CeFeAsO1-xFx phase diagram, by ruling out the presence of a quantum critical point which was suggested by earlier studies.
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