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Sefrioui, Zouhair ; Arias Serna, Diego ; Morales, F. ; Varela del Arco, María ; León Yebra, Carlos ; Escudero, R. ; Santamaría Sánchez-Barriga, Jacobo | American Physical Society | 2001-01-01We report on transport and magnetic relaxation measurements of deoxygenated YBa_(2)Cu_(3)O_(7-?) thin films. Strongly oxygen depleted samples with ?=0.6 are produced to ensure the pure two-dimensional nature of the vortex system. Linear resistiv[...]texto impreso
González Herrera, Elvira María ; Folgueras, A. D. ; Escudero, R. ; Ferrer, J.M. ; Guinea, F. ; Vicent López, José Luis | IOP Publishing | 2007-02-21We have measured the tunnelling current in Nb/Nb_xO_y/Ni planar tunnel junctions at different temperatures. The junctions are in the intermediate transparency regime. We have extracted the current polarization of the metal/ferromagnet junction w[...]
