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Spin-dependent localization effects in {GaAs:Mn/MnAs} granular paramagnetic-ferromagnetic hybrids at low temperatures

Spin-dependent localization effects in {GaAs:Mn/MnAs} granular paramagnetic-ferromagnetic hybrids at low temperatures

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MICHEL, Christoph, C. H. THIEN, Siyu YE, Peter J. KLAR, Wolfram HEIMBRODT, Sergei BARANOVSKII, Peter THOMAS, Michael LAMPALZER, Kerstin VOLZ, Wolfgang STOLZ, Bastian GOLDLÜCKE, 2005. Spin-dependent localization effects in {GaAs:Mn/MnAs} granular paramagnetic-ferromagnetic hybrids at low temperatures. In: Superlattices and Microstructures. 37(5), pp. 321-326. ISSN 0749-6036. eISSN 1096-3677

@article{Michel2005Spin--29123, title={Spin-dependent localization effects in {GaAs:Mn/MnAs} granular paramagnetic-ferromagnetic hybrids at low temperatures}, year={2005}, doi={10.1016/j.spmi.2005.02.001}, number={5}, volume={37}, issn={0749-6036}, journal={Superlattices and Microstructures}, pages={321--326}, author={Michel, Christoph and Thien, C. H. and Ye, Siyu and Klar, Peter J. and Heimbrodt, Wolfram and Baranovskii, Sergei and Thomas, Peter and Lampalzer, Michael and Volz, Kerstin and Stolz, Wolfgang and Goldlücke, Bastian} }

<rdf:RDF xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#" xmlns:bibo="http://purl.org/ontology/bibo/" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:dcterms="http://purl.org/dc/terms/" xmlns:xsd="http://www.w3.org/2001/XMLSchema#" > <rdf:Description rdf:about="https://kops.uni-konstanz.de/rdf/resource/123456789/29123"> <dc:creator>Goldlücke, Bastian</dc:creator> <dc:creator>Heimbrodt, Wolfram</dc:creator> <dc:language>eng</dc:language> <dc:creator>Lampalzer, Michael</dc:creator> <dc:creator>Klar, Peter J.</dc:creator> <dc:creator>Ye, Siyu</dc:creator> <bibo:uri rdf:resource="http://kops.uni-konstanz.de/handle/123456789/29123"/> <dc:contributor>Lampalzer, Michael</dc:contributor> <dc:creator>Michel, Christoph</dc:creator> <dc:creator>Baranovskii, Sergei</dc:creator> <dc:contributor>Klar, Peter J.</dc:contributor> <dc:contributor>Thien, C. H.</dc:contributor> <dc:contributor>Volz, Kerstin</dc:contributor> <dc:creator>Stolz, Wolfgang</dc:creator> <dc:contributor>Ye, Siyu</dc:contributor> <dc:creator>Thomas, Peter</dc:creator> <dc:contributor>Goldlücke, Bastian</dc:contributor> <dc:contributor>Baranovskii, Sergei</dc:contributor> <dc:contributor>Heimbrodt, Wolfram</dc:contributor> <dcterms:abstract xml:lang="eng">We compare the magneto-transport in paramagnetic–ferromagnetic GaAs:Mn/MnAs granular hybrids and paramagnetic GaAs:Mn reference samples. The differences in the hole transport between the two systems at low temperatures arise due to carrier localization effects at the cluster–matrix interface in the hybrids. The localization is caused by a Schottky barrier formation at the interface as well as spin-dependent shifts of the hole bands caused by the stray field of the ferromagnetic clusters. The application of an external magnetic field leads to a delocalization of the carriers and thus a negative magneto-resistance effect. These effects can be simulated using a network model approach.</dcterms:abstract> <dc:creator>Volz, Kerstin</dc:creator> <dc:contributor>Stolz, Wolfgang</dc:contributor> <dcterms:title>Spin-dependent localization effects in {GaAs:Mn/MnAs} granular paramagnetic-ferromagnetic hybrids at low temperatures</dcterms:title> <dc:contributor>Michel, Christoph</dc:contributor> <dc:creator>Thien, C. H.</dc:creator> <dcterms:available rdf:datatype="http://www.w3.org/2001/XMLSchema#dateTime">2014-10-15T09:41:50Z</dcterms:available> <dc:contributor>Thomas, Peter</dc:contributor> <dc:date rdf:datatype="http://www.w3.org/2001/XMLSchema#dateTime">2014-10-15T09:41:50Z</dc:date> <dcterms:issued>2005</dcterms:issued> </rdf:Description> </rdf:RDF>

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