"Measurements of anisotropic transport properties (dc and high-frequency regime) of driven vortex matter in YBa2Cu3O7− x with elongated strong-pinning sites (c-axis aligned, self-assembled BaZrO3 nanorods) are used to demonstrate that the effective-mass angular scaling takes place only in intrinsic physical quantities (flux-flow resistivity), and not in pinning-related Labusch parameter and critical currents. Comparison of the dynamics at different time scales shows evidence for a transition of the vortex matter toward a Mott phase, driven by the presence of nanorods. The strong pinning in dc arises partially from a dynamic effect."

Pompeo, N., A., A., Torokhtii, K., V., G., G., C., Silva, E. (2013). Anisotropy and directional pinning in YBa2Cu3O7−x with BaZrO3 nanorods. APPLIED PHYSICS LETTERS, 103, 022603-1-022603-4 [10.1063/1.4813405].

Anisotropy and directional pinning in YBa2Cu3O7−x with BaZrO3 nanorods

POMPEO, NICOLA;TOROKHTII, KOSTIANTYN;SILVA, Enrico
2013

Abstract

"Measurements of anisotropic transport properties (dc and high-frequency regime) of driven vortex matter in YBa2Cu3O7− x with elongated strong-pinning sites (c-axis aligned, self-assembled BaZrO3 nanorods) are used to demonstrate that the effective-mass angular scaling takes place only in intrinsic physical quantities (flux-flow resistivity), and not in pinning-related Labusch parameter and critical currents. Comparison of the dynamics at different time scales shows evidence for a transition of the vortex matter toward a Mott phase, driven by the presence of nanorods. The strong pinning in dc arises partially from a dynamic effect."
Pompeo, N., A., A., Torokhtii, K., V., G., G., C., Silva, E. (2013). Anisotropy and directional pinning in YBa2Cu3O7−x with BaZrO3 nanorods. APPLIED PHYSICS LETTERS, 103, 022603-1-022603-4 [10.1063/1.4813405].
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11590/267388
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