Specific heat and angle-resolved photoemission spectroscopy study of the superconducting gaps in LiFeAs
We present specific-heat, cp, and angle-resolved photoemission spectroscopy (ARPES) data on single crystals of the stoichiometric superconductor LiFeAs. A pronounced anomaly is found in cp at the superconducting transition. The electronic contribution can be described by two s-type energy gaps with...
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| Hauptverfasser: | , , , , , , , , , |
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| Dokumenttyp: | Article (Journal) |
| Sprache: | Englisch |
| Veröffentlicht: |
27 June 2011
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| In: |
Physical review. B, Condensed matter and materials physics
Year: 2011, Jahrgang: 83, Heft: 22, Pages: 1-5 |
| ISSN: | 1550-235X |
| DOI: | 10.1103/PhysRevB.83.224512 |
| Online-Zugang: | Verlag, lizenzpflichtig, Volltext: https://doi.org/10.1103/PhysRevB.83.224512 Verlag, lizenzpflichtig, Volltext: https://link.aps.org/doi/10.1103/PhysRevB.83.224512 
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| Verfasserangaben: | U. Stockert, M. Abdel-Hafiez, D.V. Evtushinsky, V.B. Zabolotnyy, A.U.B. Wolter, S. Wurmehl, I. Morozov, R. Klingeler, S.V. Borisenko, and B. Büchner |
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| 245 | 1 | 0 | |a Specific heat and angle-resolved photoemission spectroscopy study of the superconducting gaps in LiFeAs |c U. Stockert, M. Abdel-Hafiez, D.V. Evtushinsky, V.B. Zabolotnyy, A.U.B. Wolter, S. Wurmehl, I. Morozov, R. Klingeler, S.V. Borisenko, and B. Büchner |
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| 520 | |a We present specific-heat, cp, and angle-resolved photoemission spectroscopy (ARPES) data on single crystals of the stoichiometric superconductor LiFeAs. A pronounced anomaly is found in cp at the superconducting transition. The electronic contribution can be described by two s-type energy gaps with magnitudes of approximately Δ1=1.2 meV and Δ2=2.6 meV and a normal-state γ coefficient of 10 mJ/mol K2. All these values are in agreement with ARPES results. | ||
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| 700 | 1 | |a Evtushinsky, D. V. |e VerfasserIn |4 aut | |
| 700 | 1 | |a Zabolotnyy, V. B. |e VerfasserIn |4 aut | |
| 700 | 1 | |a Wolter, A. U. B. |e VerfasserIn |4 aut | |
| 700 | 1 | |a Wurmehl, S. |e VerfasserIn |4 aut | |
| 700 | 1 | |a Morozov, I. |e VerfasserIn |4 aut | |
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| 700 | 1 | |a Büchner, B. |e VerfasserIn |4 aut | |
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