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

Takaaki KOGA; Toru MATSUURA; Sébastien FANIEL; Satofumi SOUMA; Shunsuke MINESHIGE; Yoshiaki SEKINE; Hiroki SUGIYAMA

doi:10.1587/transele.E95.C.770

Special Section on Fundamentals and Applications of Advanced Semiconductor Devices

Beating Analysis of Shubnikov de Haas Oscillation in In_0.53Ga_0.47As Double Quantum Well toward Spin Filter Applications

Takaaki KOGA, Toru MATSUURA, Sébastien FANIEL, Satofumi SOUMA, Shunsuke MINESHIGE, Yoshiaki SEKINE, Hiroki SUGIYAMA

著者情報

キーワード: quantum well, spin-orbit interaction, Shubnikov de Haas oscillation, Rashba effect, spin filter

ジャーナル認証あり

2012 年 E95.C 巻 5 号 p. 770-776

DOI https://doi.org/10.1587/transele.E95.C.770

詳細

抄録

We recently determined the values of intrinsic spin-orbit (SO) parameters for In_0.52Al_0.48As/In_0.53Ga_0.47As(10nm)/In_0.52Al_0.48As (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].

責任著者(Corresponding author)

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