Rectangular model of a ballistic spin interferometer in (001) InGaAs/InAlAs quantum wells
作者： Takaaki Koga , S. Faniel , S. Mineshige , T. Mastuura , Y. Sekine
DOI: 10.1016/J.PHPRO.2010.01.185
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摘要: Abstract We report an unambiguous detection of the crytalline anisotropy spin-orbit interaction in (001) InAlAs/InGaAs/InAlAs quantum wells using nanofabricated rectangular loop arrays, where sides constituent loops are aligned along either [110] or [ 1 0 ] crystallographic axis. The fabrication and measurements were performed on epi-wafer samples whose spin properties characterized previously [Koga et al. Phys. Rev. Lett 89 (2002) 046801]. find that experimentally observed interference patterns — amplitude modulation Al’tshuler–Aronov–Spivak oscillations as a function gate voltage good agreement with results interferometer model extended for including both Rashba Dresselhaus interactions.
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