Beating Analysis of Shubnikov de Haas Oscillation in In0.53Ga0.47As Double Quantum Well toward Spin Filter Applications

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概要

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• We recently determined the values of intrinsic spin-orbit (SO) parameters for In0.52Al0.48As/In0.53Ga0.47As(10nm)/In0.52Al0.48As (InGaAs/InAlAs) quantum wells (QW), lattice-matched to (001) InP, from the weak localization/antilocalization analysis of the low-temperature magneto-conductivity measurements [1]. We have then studied the subband energy spectra for the InGaAs/InAlAs double QW system from beatings in the Shubnikov de Haas (SdH) oscillations. The basic properties obtained here for the double QW system provides useful information for realizing nonmagnetic spin-filter devices based on the spin-orbit interaction [2].

著者

• Sekine Yoshiaki

  Ntt Basic Research Laboratories Nippon Telegraph And Telephone Corporation

• SUGIYAMA Hiroki

  NTT Photonics Laboratories

• Matsuura Toru

  Department Of Applied Physics Hokkaido University

• Faniel Sebastien

  Icteam Institute The Universite Catholique De Louvain

• Mineshige Shunsuke

  Division Of Electronics For Informatics Graduate School Of Information Science And Technology Hokkaido University

• Koga Takaaki

  Division Of Electronics For Informatics Graduate School Of Information Science And Technology Hokkaido University

• Souma Satofumi

  Department Of Electrical And Electronic Engineering Kobe University

• SOUMA Satofumi

  Department of Electrical and Electronic Engineering, Kobe University

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