g-Factor Tuning and Manipulation of Spins by an Electric Current

Zbyslaw Wilamowski, Hans Malissa, Friedrich Schäffler, and Wolfgang Jantsch
Phys. Rev. Lett. 98, 187203 – Published 3 May 2007

Abstract

We investigate the Zeeman splitting of the two-dimensional electron gas in an asymmetric silicon quantum well, performing electron-spin-resonance (ESR) experiments. Applying a small dc current we observe a shift in the resonance field due to the additional current-induced Bychkov-Rashba type of spin-orbit field. We also show that a high frequency current may induce electric dipole spin resonance very efficiently. We identify different contributions to this type of ESR signal.

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  • Received 2 October 2006

DOI:https://doi.org/10.1103/PhysRevLett.98.187203

©2007 American Physical Society

Authors & Affiliations

Zbyslaw Wilamowski1,2, Hans Malissa1, Friedrich Schäffler1, and Wolfgang Jantsch1

  • 1Institut für Halbleiter- und Festkörperphysik, Johannes Kepler Universität, A-4040 Linz, Austria
  • 2Institute of Physics, Polish Academy of Sciences, Warsaw, and Faculty of Mathematics and Computer Sciences, UWM Olsztyn, Poland

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Vol. 98, Iss. 18 — 4 May 2007

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