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5 papers · 2 filters
Doping evolution of the optical scattering rate and effective mass of Bi(2)Sr(2-x)La(x)CuO(6)
Y. M. Dai, B. Xu, P. Cheng +4
We determined the optical conductivity of Bi(2)Sr(2-x)La(x)CuO(6) at dopings covering the phase diagram from the underdoped to the overdoped regimes. The frequency dependent scatte…
Optical conductivity of Ba0.6 K0.4 Fe2 As2 : The effect of in-plane and out-of-plane doping in the superconducting gap
Y. M. Dai, B. Xu, B. Shen +3
We measured the in-plane optical conductivity of a nearly optimally doped (Ba,K)Fe2As2 single crystal with Tc = 39.1 K. Upon entering the superconducting state the optical conducti…
Nernst effect in the cuprate superconductor YBCO: Broken rotational and translational symmetries
J. Chang, Nicolas Doiron-Leyraud, Francis Laliberté +10
The Nernst coefficient of the cuprate superconductor YBa2Cu3Oy was recently shown to become strongly anisotropic within the basal plane when cooled below the pseudogap temperature…
Fermi-surface reconstruction by stripe order in cuprate superconductors
F. Laliberte, J. Chang, N. Doiron-Leyraud +15
Quantum oscillations have revealed the presence of a small pocket in the Fermi surface of the cuprate superconductor YBCO, whose nature and origin are the subject of much debate. I…
Imprinting nanoporous alumina patterns into the magneto-transport of oxide superconductors
J. E. Villegas, I. Swiecicki, R. Bernard +9
We used oxygen ion irradiation to transfer the nanoscale pattern of a porous alumina mask into high- superconducting thin films. This causes a nanoscale spatial modulation of super…