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The European Physical Journal B

, Volume 59, Issue 4, pp 447–449 | Cite as

Spin-dependent transport in cluster-assembled nanostructures: influence of cluster size and matrix material

  • M. HillenkampEmail author
  • G. Di Domenicantonio
  • C. Félix
  • L. Gravier
  • S. Serrano-Guisan
  • J.-P. Ansermet
Topical Issue on New Trends in Spin Transfer Physics

Abstract.

Spin-dependent transport in granular metallic nanostructures has been investigated by means of a thermoelectric measurement. Cobalt clusters of well-defined size (〈n〉 = 15-600) embedded in copper and silver matrices show magnetic field responses of up to several hundred percent at low temperature. The experimental observations are attributed to spin mixing. The influence of cluster size and matrix are discussed.

PACS.

72.25.Rb Spin relaxation and scattering 73.63.-b Electronic transport in nanoscale materials and structures 72.25.Ba Spin polarized transport in metals 73.50.Jt Galvanomagnetic and other magnetotransport effects (including thermomagnetic effects) 

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Copyright information

© EDP Sciences/Società Italiana di Fisica/Springer-Verlag 2007

Authors and Affiliations

  • M. Hillenkamp
    • 1
    Email author
  • G. Di Domenicantonio
    • 1
  • C. Félix
    • 1
  • L. Gravier
    • 2
  • S. Serrano-Guisan
    • 2
  • J.-P. Ansermet
    • 2
  1. 1.Laboratoire des Nanostructures en Matrices, École Polytechnique Fédérale de LausanneLausanne-EPFLSwitzerland
  2. 2.Laboratoire de Physique des Matériaux Nanostructurés, École Polytechnique Fédérale de LausanneLausanne-EPFLSwitzerland

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