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Manipulation of single vortices in YBa2Cu3O6.354 with a locally applied magnetic field

Appl. Phys. Lett. 80, 1010 (2002); doi:10.1063/1.1445468

Issue Date: 11 February 2002

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Brian W. Gardner, Janice C. Wynn, D. A. Bonn, Ruixing Liang, W. N. Hardy, John R. Kirtley, Vladimir G. Kogan, and Kathryn A. Moler
Geballe Laboratory for Advanced Materials, Stanford University, Stanford, California 94305
We demonstrate the controlled, reversible manipulation of individual vortices in a superconductor with a locally applied magnetic field. The local field is supplied by a field coil on a superconducting quantum interference device (SQUID). The SQUID is used to image the vortices before and after moving. This device can be used both to push individual vortices and to create individual vortex–antivortex pairs. We calculate the force applied on a rigid vortex and find that ~0.5 pN is necessary to move vortices in underdoped single crystals of YBa2Cu3O6.354 with Tc~ 12 K. ©2002 American Institute of Physics.
History: Received 20 September 2001; accepted 20 November 2001
Permalink: http://link.aip.org/link/?APPLAB/80/1010/1
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KEYWORDS and PACS

Keywords
PACS
  • 74.60.Ge
    Superconductivity Type-II superconductivity Flux pinning, flux creep, and flux-line lattice dynamics
  • 74.72.Bk
    Superconductivity High-Tc compounds Y-based cuprates
  • YEAR: 2002

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PUBLICATION DATA

ISSN:
0003-6951 (print)   1077-3118 (online)
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