http://www.cnr.it/ontology/cnr/individuo/prodotto/ID58324
Study of the pairing symmetry in the electron-doped cuprate Pr1-xLaCexCuO4-y by tunneling spectroscopy (Articolo in rivista)
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- Label
- Study of the pairing symmetry in the electron-doped cuprate Pr1-xLaCexCuO4-y by tunneling spectroscopy (Articolo in rivista) (literal)
- Anno
- 2010-01-01T00:00:00+01:00 (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
- 10.1016/j.physc.2010.02.038 (literal)
- Alternative label
Giubileo, F; Piano, S; Scarfato, A; Bobba, F; Di Bartolomeo, A; Cucolo, AM (2010)
Study of the pairing symmetry in the electron-doped cuprate Pr1-xLaCexCuO4-y by tunneling spectroscopy
in Physica. C, Superconductivity (Print)
(literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
- Giubileo, F; Piano, S; Scarfato, A; Bobba, F; Di Bartolomeo, A; Cucolo, AM (literal)
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- ISI Web of Science (WOS) (literal)
- Scopus (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
- CNR-SPIN, Via Ponte don Melillo, 84084 Fisciano (SA), Italy
Dipartimento di Fisica \"E.R. Caianiello\", Università di Salerno, Via Allende, Baronissi (SA), Italy
School of Physics and Astr., University of Nottingham, Nottingham NG7 2RD, UK (literal)
- Titolo
- Study of the pairing symmetry in the electron-doped cuprate Pr1-xLaCexCuO4-y by tunneling spectroscopy (literal)
- Abstract
- We performed Point Contact Andreev Reflection Spectroscopy experiments on Pr1-xLaCexCuO4-y crystals. The variety of the measured spectra are all explained in terms of a modified BTK model considering a d-wave symmetry of the superconducting order parameter. We give an estimation of the energy gap and of the ratio 2?/kBTC?3.6±0.3. We measured the temperature evolution of the dI/dV vs. V characteristics and we extracted a conventional BCS temperature dependence of the superconducting energy gap. Finally, in order to explain the conductance spectra showing higher voltage gap-like features we consider a model in which the formation of a Josephson junction in series with the Point Contact junction is realized due to the tip pressure. (literal)
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