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Journal article
Muon spin rotation study of the magnetic penetration depth in the intercalated graphite superconductor CaC6
Physical review. B, Condensed matter and materials physics, v 82(1)
26 Jul 2010
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Abstract
We report temperature-and magnetic field-dependent bulk muon spin rotation measurements in a c-axis-oriented superconductor CaC6 in the mixed state. Using both a simple second-moment analysis and the more precise analytical Ginzburg-Landau model, we obtained a field-independent in-plane magnetic penetration depth lambda(ab)(0) = 72(3) nm. The temperature dependencies of the normalized muon spin relaxation rate and of the normalized superfluid density result to be identical and both are well represented by the clean limit BCS model with 2 Delta/k(B)T(c)=3.6(1), suggesting that CaC6 is a fully gapped BCS superconductor in the clean limit regime.
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Details
- Title
- Muon spin rotation study of the magnetic penetration depth in the intercalated graphite superconductor CaC6
- Creators
- D. Di Castro - University of Rome Tor VergataA. Kanigel - Technion – Israel Institute of TechnologyA. Maisuradze - Paul Scherrer InstituteA. Keren - Technion – Israel Institute of TechnologyP. Postorino - Sapienza University of RomeD. Rosenmann - Argonne National LaboratoryU. Welp - Argonne National LaboratoryG. Karapetrov - Argonne National LaboratoryH. Claus - Argonne National LaboratoryD. G. Hinks - Argonne National LaboratoryA. Amato - Paul Scherrer InstituteJ. C. Campuzano - University of Illinois at Chicago
- Publication Details
- Physical review. B, Condensed matter and materials physics, v 82(1)
- Publisher
- Amer Physical Soc
- Number of pages
- 6
- Grant note
- RII3-CT-2003-505925 / European Research Area, Research Infrastructures; European Commission UChicago Argonne, LLC EU; European Commission Operator of Argonne National Laboratory (Argonne) European Commission; European Commission Joint Research Centre Israel Science Foundation DE-AC02-06CH11357 / U.S. Department of Energy, Office of Science laboratory; United States Department of Energy (DOE)
- Resource Type
- Journal article
- Language
- English
- Academic Unit
- Physics
- Web of Science ID
- WOS:000280292800002
- Scopus ID
- 2-s2.0-77956527544
- Other Identifier
- 991019295187304721
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- Collaboration types
- Domestic collaboration
- International collaboration
- Web of Science research areas
- Materials Science, Multidisciplinary
- Physics, Applied
- Physics, Condensed Matter