Person:
Núñez Álvarez, Nuria Ofelia

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First Name
Nuria Ofelia
Last Name
Núñez Álvarez
URI
https://hdl.handle.net/20.500.14352/86760
Affiliation
Universidad Complutense de Madrid
Faculty / Institute
Ciencias Físicas
Department
Física de Materiales
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Author: Anguita, J. V. ×

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    Transverse rectification in superconducting thin films with arrays of asymmetric defects
    (Applied physics letters, 2007) González Herrera, Elvira María; Núñez Álvarez, Nuria Ofelia; Anguita, J. V.; Vicent López, José Luis
    Superconducting Nb films have been grown on top of arrays of Cu nanotriangles. These asymmetric pinning centers strongly modify the vortex lattice dynamics. Two rectification effects have been observed: (i) longitudinal ratchet effect when the input currents are injected perpendicular to the triangle reflection symmetry axis and (ii) transverse rectification effect hen the input currents are injected parallel to the triangle reflection symmetry axis and the output voltage drop occurs perpendicular to the triangle reflection symmetry axis. Increasing the applied magnetic field, the former shows a change of the output voltage polarity, the transverse output voltage does not show any polarity reversal.