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18 April 2024

» arxiv » cond-mat/0109123

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Effects of Spin Polarization on Electron Transport in Modulation Doped Cd(1-x)Mn(x)Te/Cd(1-y)Mg(y)Te:I Heterostructures
T. Andrearczyk ; J. Jaroszynski ; G. Karczewski ; J. Wrobel ; T. Wojtowicz ; T. Dietl ; E. Papis ; E. Kami’nska ; A. Piotrowska ;
Date:	6 Sep 2001
Journal:	Physica E 12, 361 (2002).
Subject:	Materials Science \| cond-mat.mtrl-sci
Abstract:	We examine and identify magnetoresistance mechanisms in 2D system containing a sizable concentration of magnetic ions. We argue that some of these mechanisms can serve as a tool to measure spin polarization. Lack of spin degeneracy and enhanced localization make it possible to detect an additional QHE plateau associated with extended states floating-up in vanishing magnetic field.
Source:	arXiv, cond-mat/0109123
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