Beating analysis of Shubnikov de haas oscillation in In 0.53Ga 0.47As double quantum well toward spin filter applications
(2012) IEICE Transactions on Electronics — Vol. E95-C, n° 5, p. 770-776 (2012)
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- We recently determined the values of intrinsic spin-orbit (SO) parameters for In <inf>0.52</inf>Al <inf>0.48</inf>As/In <inf>0.53</inf>Ga <inf>0.47</inf>As(10 nm)/In <inf>0.52</inf>Al <inf>0.48</inf>As (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]. Copyright © 2012 The Institute of Electronics, Information and Communication Engineers.
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Koga, T., Matsuura, T., Faniel, S., Souma, S., Mineshige, S., Sekine, Y., & Sugiyama, H. (2012). Beating analysis of Shubnikov de haas oscillation in In 0.53Ga 0.47As double quantum well toward spin filter applications. IEICE Transactions on Electronics, E95-C(5), 770-776. https://doi.org/10.1587/transele.E95.C.770 (Original work published 2012)