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Isotopic effects on...
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Murin, L.I.Institute of Solid State and Semiconductor Physics, P. Brovki Street 17, Minsk 220072, Belarus
(författare)
Isotopic effects on vibrational modes of thermal double donors in Si and Ge
- Artikel/kapitelEngelska2001
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LIBRIS-ID:oai:DiVA.org:liu-47203
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https://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-47203URI
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https://doi.org/10.1016/S0921-4526(01)00700-1DOI
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https://urn.kb.se/resolve?urn=urn:nbn:se:ltu:diva-6444URI
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Språk:engelska
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Sammanfattning på:engelska
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Ämneskategori:art swepub-publicationtype
Anmärkningar
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Validerad; 2001; 20070220 (kani)
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The local vibrational modes of thermal double donors in Si and Ge are investigated by FTIR and ab initio modelling. At most, two oxygen modes are detected from each donor, which exhibit regular shifts with increasing donor number. By using mixtures of 16O and 18O, it is found that in Si the upper band does not yield any new modes suggesting that any oxygen atom is decoupled from any other. However, the lower frequency bands exhibit unique mixed modes proving for the first time that oxygen atoms are coupled together and in close spatial proximity. Ab initio calculations demonstrate that the modes and their isotopic shifts are consistent with a model involving two parallel chains of oxygen atoms linking second neighbour Si atoms, terminated by O-atoms close to the normal position for interstitial O. © 2001 Elsevier Science B.V. All rights reserved.
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Lindstrom, J.L.Lindström, J.L., Department of Physics, Lund University, S-221 00 Lund, Sweden
(författare)
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Markevich, V.P.Centre for Electronic Materials, UMIST, M60 1QD Manchester, United Kingdom,Centre for Electronic Materials, University of Manchester
(författare)
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Hallberg, T.Defence Research Establishment, Linköping
(författare)
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Litvinov, V.V.Belarusian State University, F. Scorina av. 4, 220050 Minsk, Belarus
(författare)
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Coutinho, J.School of Physics, University of Exeter, EX4 4QL Exeter, United Kingdom
(författare)
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Jones, R.School of Physics, University of Exeter, EX4 4QL Exeter, United Kingdom
(författare)
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Briddon, P.R.Department of Physics, University of Newcastle, NE1 7RU Newcastle, United Kingdom
(författare)
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Öberg, SvenLuleå tekniska universitet,Matematiska vetenskaper,Öberg, S., Department of Mathematics, Luleå University of Technology, S-97187 Luleå, Sweden(Swepub:ltu)oberg
(författare)
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Institute of Solid State and Semiconductor Physics, P. Brovki Street 17, Minsk 220072, BelarusLindström, J.L., Department of Physics, Lund University, S-221 00 Lund, Sweden
(creator_code:org_t)
Sammanhörande titlar
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Ingår i:Physica. B, Condensed matter308-310, s. 290-2930921-45261873-2135
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Murin, L.I.
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Lindstrom, J.L.
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Markevich, V.P.
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Hallberg, T.
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Litvinov, V.V.
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Coutinho, J.
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visa fler...
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Jones, R.
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Briddon, P.R.
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Öberg, Sven
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visa färre...
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Physica. B, Cond ...
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Linköpings universitet
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