Journal of Low Temperature Physics

, Volume 15, Issue 1–2, pp 111–132 | Cite as

Direct observations of the magnetic structure in thin films of Pb, Sn, and In

  • G. J. Dolan
Article

Abstract

Direct, high-resolution observations of magnetic structures in evaporated films of the type I superconductors lead, tin, and indium are presented for a range of applied fields. The films are polycrystalline and range in thickness from 200 to 20,000 Å. the transition from the intermediate state to the mixed state is observed. The observation of the single-fluxoid vortex mixed state in the thin films with Ginzburg-Landau parameter κ less than\(1/\sqrt 2\) confirms theoretical prediction by Tinkham, Maki, and Lasher. No ordered array of vortices is observed and this is shown to be caused by the effects of the grain boundaries on the magnetic structures.

Keywords

Indium Vortex Thin Film Magnetic Material Theoretical Prediction 

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Copyright information

© Plenum Publishing Corporation 1974

Authors and Affiliations

  • G. J. Dolan
    • 1
  1. 1.School of Applied and Engineering Physics and Laboratory of Atomic and Solid State PhysicsCornell UniversityIthaca

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