Lithium related deep and shallow acceptors in Li-doped ZnO nanocrystals


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RAUCH, Christian, Wolfgang GEHLHOFF, Markus R. WAGNER, Enno MALGUTH, Gordon CALLSEN, Ronny KIRSTE, Belal SALAMEH, Axel HOFFMANN, Sebastian POLARZ, Ylmaz AKSU, 2010. Lithium related deep and shallow acceptors in Li-doped ZnO nanocrystals. In: Journal of Applied Physics. 107(2), 024311. ISSN 0021-8979. eISSN 1089-7550. Available under: doi: 10.1063/1.3275889

@article{Rauch2010Lithi-42214, title={Lithium related deep and shallow acceptors in Li-doped ZnO nanocrystals}, year={2010}, doi={10.1063/1.3275889}, number={2}, volume={107}, issn={0021-8979}, journal={Journal of Applied Physics}, author={Rauch, Christian and Gehlhoff, Wolfgang and Wagner, Markus R. and Malguth, Enno and Callsen, Gordon and Kirste, Ronny and Salameh, Belal and Hoffmann, Axel and Polarz, Sebastian and Aksu, Ylmaz}, note={Article Number: 024311} }

<rdf:RDF xmlns:dcterms="" xmlns:dc="" xmlns:rdf="" xmlns:bibo="" xmlns:dspace="" xmlns:foaf="" xmlns:void="" xmlns:xsd="" > <rdf:Description rdf:about=""> <dc:contributor>Wagner, Markus R.</dc:contributor> <dcterms:issued>2010</dcterms:issued> <dcterms:title>Lithium related deep and shallow acceptors in Li-doped ZnO nanocrystals</dcterms:title> <dc:contributor>Aksu, Ylmaz</dc:contributor> <dc:creator>Kirste, Ronny</dc:creator> <dc:creator>Malguth, Enno</dc:creator> <dc:contributor>Salameh, Belal</dc:contributor> <dc:creator>Rauch, Christian</dc:creator> <dc:creator>Hoffmann, Axel</dc:creator> <dc:contributor>Gehlhoff, Wolfgang</dc:contributor> <dc:creator>Salameh, Belal</dc:creator> <dc:creator>Gehlhoff, Wolfgang</dc:creator> <dc:creator>Wagner, Markus R.</dc:creator> <dc:creator>Callsen, Gordon</dc:creator> <dc:creator>Aksu, Ylmaz</dc:creator> <dspace:isPartOfCollection rdf:resource=""/> <dc:contributor>Callsen, Gordon</dc:contributor> <dcterms:available rdf:datatype="">2018-05-02T06:40:28Z</dcterms:available> <dc:contributor>Malguth, Enno</dc:contributor> <dcterms:isPartOf rdf:resource=""/> <void:sparqlEndpoint rdf:resource="http://localhost/fuseki/dspace/sparql"/> <foaf:homepage rdf:resource="http://localhost:8080/jspui"/> <dcterms:abstract xml:lang="eng">We study the existence of Li-related shallow and deep acceptor levels in Li-doped ZnO nanocrystals using electron paramagnetic resonance (EPR) and photoluminescence (PL) spectroscopy. ZnO nanocrystals with adjustable Li concentrations between 0% and 12% have been prepared using organometallic precursors and show a significant lowering of the Fermi energy upon doping. The deep Li acceptor with an acceptor energy of 800 meV could be identified in both EPR and PL measurements and is responsible for the yellow luminescence at 2.2 eV. Additionally, a shallow acceptor state at 150 meV above the valence band maximum is made responsible for the observed donor-acceptor pair and free electron-acceptor transitions at 3.235 and 3.301 eV, possibly stemming from the formation of Li-related defect complexes acting as acceptors.</dcterms:abstract> <dc:contributor>Hoffmann, Axel</dc:contributor> <dc:contributor>Polarz, Sebastian</dc:contributor> <dc:creator>Polarz, Sebastian</dc:creator> <dc:contributor>Rauch, Christian</dc:contributor> <dc:date rdf:datatype="">2018-05-02T06:40:28Z</dc:date> <dc:contributor>Kirste, Ronny</dc:contributor> <dc:language>eng</dc:language> <bibo:uri rdf:resource=""/> </rdf:Description> </rdf:RDF>

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