Clustering in a precipitate free GeMn magnetic semiconductor

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dc.bibliographicCitation.journalTitlePhysical Review Letterseng
dc.contributor.authorBougeard, D.
dc.contributor.authorAhlers, S.
dc.contributor.authorTrampert, A.
dc.contributor.authorSircar, N.
dc.contributor.authorAbstreiter, G.
dc.date.available2019-06-28T12:38:09Z
dc.date.issued2006
dc.description.abstractWe present the first study relating structural parameters of precipitate free Ge0.95Mn0.05 films to magnetisation data. Nanometer sized clusters - areas with increased Mn content on substitutional lattice sites compared to the host matrix - are detected in transmission electron microscopy (TEM) analysis. The films show no overall spontaneous magnetisation at all down to 2K. The TEM and magnetisation results are interpreted in terms of an assembly of superparamagnetic moments developing in the dense distribution of clusters. Each cluster individually turns ferromagnetic below an ordering temperature which depends on its volume and Mn contenteng
dc.description.versionpublishedVersioneng
dc.identifier.urihttps://oa.tib.eu/renate/handle/123456789/3914
dc.language.isoengeng
dc.publisherCambridge : arXiveng
dc.relation.urihttp://arxiv.org/abs/cond-mat/0611245
dc.rights.licenseThis document may be downloaded, read, stored and printed for your own use within the limits of § 53 UrhG but it may not be distributed via the internet or passed on to external parties.eng
dc.rights.licenseDieses Dokument darf im Rahmen von § 53 UrhG zum eigenen Gebrauch kostenfrei heruntergeladen, gelesen, gespeichert und ausgedruckt, aber nicht im Internet bereitgestellt oder an Außenstehende weitergegeben werden.ger
dc.subject.ddc530eng
dc.titleClustering in a precipitate free GeMn magnetic semiconductoreng
dc.typeArticleeng
dc.typeTexteng
tib.accessRightsopenAccesseng
wgl.contributorPDIeng
wgl.subjectPhysikeng
wgl.typeZeitschriftenartikeleng
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