Penetration depth of electron-doped infinite-layer Sr0.88La0.12CuO2+x thin films
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2010
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The in-plane penetration depth of Sr0.88La0.12CuO2+x thin films at various doping obtained from oxygen reduction has been measured, using ac-susceptibility measurements. For the higher doping samples, the superfluid density deviates strongly from the s-wave behavior, suggesting, in analogy with other electron-doped cuprates, a contribution from a nodal hole pocket, or a small gap on the Fermi surface such as an anisotropic s-wave order parameter. The low value of the superfluid densities, likely due to a strong doping-induced disorder, places the superconducting transition of our samples in the phase-fluctuation regime.
Ključne reči:
superconductors / electron-doped cuprate / epitaxial thin films / penetration depth / superfluid densityIzvor:
Physical Review B, 2010, 82, 14Izdavač:
- Amer Physical Soc, College Pk
Finansiranje / projekti:
- ANRFrench National Research Agency (ANR) [ANR-07-BLAN-0242-CSD 4]
DOI: 10.1103/PhysRevB.82.144529
ISSN: 1098-0121
WoS: 000283574200006
Scopus: 2-s2.0-78049479451
Institucija/grupa
Institut za multidisciplinarna istraživanjaTY - JOUR AU - Fruchter, L AU - Jovanović, Vladimir AU - Raffy, H AU - Labdi, Sid AU - Bouquet, F AU - Li, ZZ PY - 2010 UR - http://rimsi.imsi.bg.ac.rs/handle/123456789/432 AB - The in-plane penetration depth of Sr0.88La0.12CuO2+x thin films at various doping obtained from oxygen reduction has been measured, using ac-susceptibility measurements. For the higher doping samples, the superfluid density deviates strongly from the s-wave behavior, suggesting, in analogy with other electron-doped cuprates, a contribution from a nodal hole pocket, or a small gap on the Fermi surface such as an anisotropic s-wave order parameter. The low value of the superfluid densities, likely due to a strong doping-induced disorder, places the superconducting transition of our samples in the phase-fluctuation regime. PB - Amer Physical Soc, College Pk T2 - Physical Review B T1 - Penetration depth of electron-doped infinite-layer Sr0.88La0.12CuO2+x thin films IS - 14 VL - 82 DO - 10.1103/PhysRevB.82.144529 ER -
@article{ author = "Fruchter, L and Jovanović, Vladimir and Raffy, H and Labdi, Sid and Bouquet, F and Li, ZZ", year = "2010", abstract = "The in-plane penetration depth of Sr0.88La0.12CuO2+x thin films at various doping obtained from oxygen reduction has been measured, using ac-susceptibility measurements. For the higher doping samples, the superfluid density deviates strongly from the s-wave behavior, suggesting, in analogy with other electron-doped cuprates, a contribution from a nodal hole pocket, or a small gap on the Fermi surface such as an anisotropic s-wave order parameter. The low value of the superfluid densities, likely due to a strong doping-induced disorder, places the superconducting transition of our samples in the phase-fluctuation regime.", publisher = "Amer Physical Soc, College Pk", journal = "Physical Review B", title = "Penetration depth of electron-doped infinite-layer Sr0.88La0.12CuO2+x thin films", number = "14", volume = "82", doi = "10.1103/PhysRevB.82.144529" }
Fruchter, L., Jovanović, V., Raffy, H., Labdi, S., Bouquet, F.,& Li, Z.. (2010). Penetration depth of electron-doped infinite-layer Sr0.88La0.12CuO2+x thin films. in Physical Review B Amer Physical Soc, College Pk., 82(14). https://doi.org/10.1103/PhysRevB.82.144529
Fruchter L, Jovanović V, Raffy H, Labdi S, Bouquet F, Li Z. Penetration depth of electron-doped infinite-layer Sr0.88La0.12CuO2+x thin films. in Physical Review B. 2010;82(14). doi:10.1103/PhysRevB.82.144529 .
Fruchter, L, Jovanović, Vladimir, Raffy, H, Labdi, Sid, Bouquet, F, Li, ZZ, "Penetration depth of electron-doped infinite-layer Sr0.88La0.12CuO2+x thin films" in Physical Review B, 82, no. 14 (2010), https://doi.org/10.1103/PhysRevB.82.144529 . .