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Sefrioui, Zouhair ; Arias Serna, Diego ; Varela del Arco, María ; Villegas, J. E. ; López de la Torre, M. A. ; León Yebra, Carlos ; Loos, G. D. ; Santamaría Sánchez-Barriga, Jacobo | American Physical Society | 1999-12-01Current-voltage (I-V) characteristics were used to investigate the response of the vortex-glass (VG) phase transition in high-quality epitaxial YBa_(2)Cu_(3)O_(7-?) films in magnetic fields up to 7 T. We show that varying the oxygen content, the[...]texto impreso
Varela del Arco, María ; Sefrioui, Zouhair ; Arias Serna, Diego ; Navacerrada, M. A. ; Lucía Mulas, María Luisa ; López de la Torre, M. A. ; León Yebra, Carlos ; Loos, G. D. ; Sánchez Quesada, Francisco ; Santamaría Sánchez-Barriga, Jacobo | American Physical Society | 1999-11-08The structure of high quality [YBCO_(N)/PBCO_(M)]_(1000 Å) superlattices, with N ranging between 1 and 12 unit cells and M = 5 unit cells, grown by high oxygen pressure sputtering, is analyzed. Intracell atomic structure of the layers along the [...]
