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Negative differential Rashba effect in two-dimensional hole systems

Appl. Phys. Lett. 85, 3151 (2004); doi:10.1063/1.1806543

Issue Date: 11 October 2004

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B. Habib, E. Tutuc, S. Melinte, M. Shayegan, D. Wasserman, and S. A. Lyon
Department of Electrical Engineering, Princeton University, Princeton, New Jersey 08544

R. Winkler
Institut für Festkörperphysik,Universität Hannover, Appelstr. 2, D-30167 Hannover, Germany
We demonstrate experimentally and theoretically that two-dimensional (2D) heavy-hole systems in single heterostructures exhibit a decrease in spin–orbit interaction-induced spin splitting with an increase in perpendicular electric field. Using front and back gates, we measure the spin splitting as a function of applied electric field while keeping the density constant. Our results are in contrast to the more familiar case of 2D electrons where spin splitting increases with electric field. ©2004 American Institute of Physics
History: Received 21 June 2004; accepted 23 August 2004
Permalink: http://link.aip.org/link/?APPLAB/85/3151/1
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KEYWORDS and PACS

Keywords
PACS
  • 72.20.My
    Galvanomagnetic and other magnetotransport effects (semiconductors/insulators)
  • 71.70.Ej
    Spin–orbit coupling, Zeeman and Stark splitting, Jahn–Teller effect (condensed matter)
  • 73.21.-b
    Electron states and collective excitations in multilayers, quantum wells, mesoscopic, and nanoscale systems
  • 73.61.Ey
    Electrical properties of III–V semiconductors (thin films)
  • YEAR: 2004

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PUBLICATION DATA

ISSN:
0003-6951 (print)   1077-3118 (online)
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REFERENCES (20)
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