Investigations of the magnetic transport properties of normal metallic films under the non-uniform magnetic field

B. Shinozaki, K. Sakae, S. Inada, Kazumasa Yamada, T. Kawaguti

Research output: Contribution to journalConference article

Abstract

We have measured the magnetoconductance (MC) defined by Δσ = σ(H)-σ(0) of two-dimensional Bi films subjected to a periodic magnetic field H, which is produced by a superconducting intermediate state of thick Pb film placed in the immediate vicinity of metal films. Non-linear H dependence of MC has been observed at low magnetic fields. This is not expected from a simple magnetic distribution of normal (H = Hc) and superconducting (H = 0) domain structure in the intermediate state. For specimen of which Pb film has sharp edges, MC shows the step-like structure. This indicates the strong surface flux pinning effect. On the other hand, in the case of broad edge of Pb film, MC shows the oscillation behavior.

Original languageEnglish
Pages (from-to)233-234
Number of pages2
JournalPhysica E: Low-Dimensional Systems and Nanostructures
Volume18
Issue number1-3
DOIs
Publication statusPublished - May 1 2003
Event23rd International Conference on Low Temperature Physics - Hiroshima, Japan
Duration: Aug 20 2002Aug 27 2002

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics

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