Perpendicular transport through rough interfaces in the metallic regime

Arne Brataas, Gerrit E.W. Bauer

研究成果: Article査読

1 被引用数 (Scopus)

抄録

Perpendicular transport through an interface in the metallic regime is considered. The semi-classical theory presented is based on the Landauer-Büttiker formalism taking into account an effective mass mismatch at the interface and a non-zero average of random scattering potentials. The transmission probability for a given mode is found in terms of the effective mass and the conduction band bottom to the left and to the right of the interface, the Fermi energy, the self-energy of the electron, and the transverse wave vector of the electron. The diffuse and specular contributions to the interface roughness scattering are shown to be equally important in the weak scattering limit. Predictions for the transport properties of interfaces with a low concentration of strongly scattering defects should be accessible to verification by experiments. The theory is applied to the spin-valve effect in magnetic multilayers.

本文言語English
ページ(範囲)1239-1242
ページ数4
ジャーナルSolid State Electronics
37
4-6
DOI
出版ステータスPublished - 1994
外部発表はい

ASJC Scopus subject areas

  • 電子材料、光学材料、および磁性材料
  • 凝縮系物理学
  • 電子工学および電気工学
  • 材料化学

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