Orientation-dependent transparency of metallic interfaces

P.X. Xu, P.X. Xu, K. Xia, K. Xia, M. Zwierzycki, M. Talanana, Paul J. Kelly

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Abstract

As devices are reduced in size, interfaces start to dominate electrical transport, making it essential to be able to describe reliably how they transmit and reflect electrons. For a number of nearly perfectly lattice-matched materials, we calculate from first principles the dependence of the interface transparency on the crystal orientation. Quite remarkably, the largest anisotropy is predicted for interfaces between the prototype free-electron materials silver and aluminum, for which a massive factor of 2 difference between (111) and (001) interfaces is found.
Original languageUndefined
Pages (from-to)176602/1-176602/4
Number of pages4
JournalPhysical review letters
Volume96
Issue number17
DOIs
Publication statusPublished - 2006

Keywords

  • METIS-231569
  • IR-59083

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