TY - JOUR AU - Sefrioui, Zouhair AU - Arias Serna, Diego AU - Varela del Arco, María AU - Villegas, J. E. AU - López de la Torre, M. A. AU - León Yebra, Carlos AU - Loos, G. D. AU - Santamaría Sánchez-Barriga, Jacobo PY - 1999 DO - 10.1103/PhysRevB.60.15423 SN - 1098-0121 UR - https://hdl.handle.net/20.500.14352/59648 T2 - Physical review B AB - Current-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-δ) films in magnetic fields up to 7 T. We show that varying the oxygen content, the... LA - eng M2 - 15423 PB - American Physical Society KW - High-temperature superconductors KW - Lattice-melting transition KW - Solid phase-transition KW - Thermal fluctuations KW - II superconductors KW - Boson localization KW - Universality KW - Resistivity KW - Transport KW - Disorder. TI - Crossover from a three-dimensional to purely two-dimensional vortex-glass transition in deoxygenated YBa_(2)Cu_(3)O_(7-δ) thin films TY - journal article VL - 60 ER -