Abstract:
:Ferromagnetism can occur in wide-band gap semiconductors as well as in carbon-based materials when specific defects are introduced. It is thus desirable to establish a direct relation between the defects and the resulting ferromagnetism. Here, we contribute to revealing the origin of defect-induced ferromagnetism using SiC as a prototypical example. We show that the long-range ferromagnetic coupling can be attributed to the p electrons of the nearest-neighbor carbon atoms around the VSiVC divacancies. Thus, the ferromagnetism is traced down to its microscopic electronic origin.
journal_name
Sci Repjournal_title
Scientific reportsauthors
Wang Y,Liu Y,Wang G,Anwand W,Jenkins CA,Arenholz E,Munnik F,Gordan OD,Salvan G,Zahn DR,Chen X,Gemming S,Helm M,Zhou Sdoi
10.1038/srep08999subject
Has Abstractpub_date
2015-03-11 00:00:00pages
8999issn
2045-2322pii
srep08999journal_volume
5pub_type
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