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Author |
Decoster, S.; Cottenier, S.; Wahl, U.; Correia, J.G.; Pereira, L.M.C.; Lacasta, C.; Da Silva, M.R.; Vantomme, A. |
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Title |
Diluted manganese on the bond-centered site in germanium |
Type |
Journal Article |
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Year |
2010 |
Publication |
Applied Physics Letters |
Abbreviated Journal |
Appl. Phys. Lett. |
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Volume |
97 |
Issue |
15 |
Pages |
151914 - 3pp |
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Abstract |
The functional properties of Mn-doped Ge depend to large extent on the lattice location of the Mn impurities. Here, we present a lattice location study of implanted diluted Mn by means of electron emission channeling. Surprisingly, in addition to the expected substitutional lattice position, a large fraction of the Mn impurities occupies the bond-centered site. Corroborated by ab initio calculations, the bond-centered Mn is related to Mn-vacancy complexes. These unexpected results call for a reassessment of the theoretical studies on the electrical and magnetic behavior of Mn-doped Ge, hereby including the possible role of Mn-vacancy complexes. |
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Address |
[Decoster, S.; Pereira, L. M. C.; Vantomme, A.] Katholieke Univ Leuven, Inst Kern & Stralingsfys, B-3001 Louvain, Belgium, Email: stefan.decoster@fys.kuleuven.be |
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Publisher |
Amer Inst Physics |
Place of Publication |
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Language |
English |
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Original Title |
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Series Volume |
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Edition |
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ISSN |
0003-6951 |
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Notes |
ISI:000283216900030 |
Approved |
no |
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Is ISI |
yes |
International Collaboration |
yes |
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Call Number |
IFIC @ elepoucu @ |
Serial |
357 |
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Permanent link to this record |