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Optical investigation of electrical spin injection into an inverted two-dimensional elctron gas structure

Buchner, Martin, Kuczmik, Thomas, Oltscher, Martin, Ciorga, Mariusz, Korn, Tobias , Loher, Josef, Schuh, Dieter, Schüller, Christian, Bougeard, Dominique, Weiss, Dieter and Back, Christian (2017) Optical investigation of electrical spin injection into an inverted two-dimensional elctron gas structure. Physical Review B (PRB) 95 (3), 035304.

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Abstract

We report on electrical spin injection from (Ga, Mn) As into a high-mobility two-dimensional electron gas confined at an (Al, Ga) As/GaAs interface. Besides standard nonlocal electrical detection, we use amagneto-optical approach which provides cross-sectional images of the spin accumulation at the cleaved edge of the sample, yielding spin decay lengths on the order of 2 mu m. In some cases we ...

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Item type:Article
Date:13 January 2017
Institutions:Physics > Institute of Experimental and Applied Physics > Chair Professor Back > Group Christian Back
Physics > Institute of Experimental and Applied Physics > Chair Professor Huber > Group Dominique Bougeard
Physics > Institute of Experimental and Applied Physics > Chair Professor Lupton > Group Christian Schüller
Physics > Institute of Experimental and Applied Physics > Chair Professor Weiss > Group Dieter Weiss
Projects:SFB 689: Spinphänomene in reduzierten Dimensionen
Identification Number:
ValueType
10.1103/PhysRevB.95.035304DOI
Keywords:QUANTUM-WELLS; ALXGA1-XAS ALLOYS; PERSISTENT PHOTOCONDUCTIVITY; RELAXATION ANISOTROPY; COULOMB DRAG; SEMICONDUCTOR; GAAS; FIELD; PHOTOLUMINESCENCE; DIFFUSION;
Dewey Decimal Classification:500 Science > 530 Physics
Status:Published
Refereed:Yes, this version has been refereed
Created at the University of Regensburg:Yes
Item ID:35055
Owner only: item control page

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