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Effect of an $InP/In_{0.53}Ga_{0.47}As$ interface on spin-orbit interaction in $In_{0.52}Al_{0.48}As/In_{0.53}Ga_{0.47}As$ heterostructures

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Title: Effect of an $InP/In_{0.53}Ga_{0.47}As$ interface on spin-orbit interaction in $In_{0.52}Al_{0.48}As/In_{0.53}Ga_{0.47}As$ heterostructures
Authors: Lin, Yiping Browse this author
Koga, Takaaki Browse this author
Nitta, Junsaku Browse this author
Issue Date: 2005
Publisher: American Physical Society
Journal Title: Physical Review B
Volume: 71
Issue: 045328
Start Page: 045328-1
End Page: 045328-4
Publisher DOI: 10.1103/PhysRevB.71.045328
Abstract: We report the effect of the insertion of an InP/In0.53Ga47As Interface on the Rashba spin-orbit interaction in In0.52Al0.48As/In0.53Ga0.47As quantum wells. A small spin split-off energy in InP produces a very intriguing band lineup in the valence bands in this system. With or without this InP layer above the In0.53Ga47As well, the overall values of the spin-orbit coupling constant turned out to be enhanced or diminished for samples with the front- or back-doping position, respectively. These experimental results, using weak antilocalization analysis, are compared with the results of the k·p theory. The actual conditions of the interfaces and materials should account for the quantitative difference in magnitude between the measurements and calculations.
Rights: Copyright © 2005 American Physical Society
Relation: http://www.aps.org/
Type: article
URI: http://hdl.handle.net/2115/14678
Appears in Collections:情報科学院・情報科学研究院 (Graduate School of Information Science and Technology / Faculty of Information Science and Technology) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 古賀 貴亮

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