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Nanoscopic coexistence of magnetic and superconducting states within the FeAs layers of CeFeAsO1-xFx (Articolo in rivista)
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- Nanoscopic coexistence of magnetic and superconducting states within the FeAs layers of CeFeAsO1-xFx (Articolo in rivista) (literal)
- Anno
- 2010-01-01T00:00:00+01:00 (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
- 10.1103/PhysRevB.82.060508 (literal)
- Alternative label
Sanna, S; De Renzi, R; Shiroka, T; Lamura, G; Prando, G; Carretta, P; Putti, M; Martinelli, A; Cimberle, MR; Tropeano, M; Palenzona, A (2010)
Nanoscopic coexistence of magnetic and superconducting states within the FeAs layers of CeFeAsO1-xFx
in Physical review. B, Condensed matter and materials physics; APS, American physical society, College Park, MD (Stati Uniti d'America)
(literal)
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- Sanna, S; De Renzi, R; Shiroka, T; Lamura, G; Prando, G; Carretta, P; Putti, M; Martinelli, A; Cimberle, MR; Tropeano, M; Palenzona, A (literal)
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- Dipartimento di Fisica \"A. Volta,\" Unità CNISM di Pavia, I-27100 Pavia, Italy
Dipartimento di Fisica, Unità CNISM di Parma, I-43124 Parma, Italy
Laboratorium für Festkörperphysik, ETH-Hönggerberg, CH-8093 Zürich, Switzerland
Paul Scherrer Institut, CH-5232 Villigen PSI, Switzerland
CNR-SPIN, Università di Genova, via Dodecaneso 33, I-16146 Genova, Italy
Dipartimento di Fisica \"E. Amaldi,\" Università di Roma3-CNISM, I-00146 Roma, Italy
CNR-SPIN, Corso Perrone 24, I-16146 Genova, Italy
CNR-IMEM, via Dodecaneso 33, I-16146 Genova, Italy (literal)
- Titolo
- Nanoscopic coexistence of magnetic and superconducting states within the FeAs layers of CeFeAsO1-xFx (literal)
- Abstract
- We report on the coexistence of magnetic and superconducting states in CeFeAsO1-x F x for x=0.06?2?,
characterized by transition temperatures Tm =30 K and Tc =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-x F x phase diagram, by ruling out the presence of a quantum critical point which was suggested
by earlier studies. (literal)
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