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- Jones, R.School of Physics, University of Exeter (author)
Thermal double donors in Si and Ge
- Article/chapterEnglish2001
Publisher, publication year, extent ...
- 2001
- printrdacarrier
Numbers
- LIBRIS-ID:oai:DiVA.org:ltu-10920
- https://urn.kb.se/resolve?urn=urn:nbn:se:ltu:diva-10920URI
- https://doi.org/10.1016/S0921-4526(01)00649-4DOI
Supplementary language notes
- Language:English
- Summary in:English
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- SwePubSwePub
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Notes
- Validerad; 2001; 20070220 (kani)
- Three experiments appear to cast doubt on self-interstitial-free models of the family of thermal donors, based on oxygen defects of increasing size. These are (a) the rapid transformation of TDD(N) into TDD(N+1) with activation energies considerably lower than that of oxygen diffusion, (b) the lack of any appreciable spin-density on oxygen in TDD(N)+, and (c) the observation of only two oxygen related vibrational modes associated with each donor. However, we show that the oxygen-only model of the donors is compatible with experiment for a structure involving an insulating core with normal oxygen coordination, surrounded by over-coordinated oxygen atoms which are responsible for the donor activity. It is also shown that the calculated stress-energy tensors for the early donors are in good agreement with the measurements.
Subject headings and genre
- NATURVETENSKAP Matematik Beräkningsmatematik hsv//swe
- NATURAL SCIENCES Mathematics Computational Mathematics hsv//eng
- Scientific Computing
- Teknisk-vetenskapliga beräkningar
Added entries (persons, corporate bodies, meetings, titles ...)
- Coutinho, J.School of Physics, University of Exeter (author)
- Öberg, SvenLuleå tekniska universitet,Matematiska vetenskaper(Swepub:ltu)oberg (author)
- Briddon, P.R.Department of Physics, University of Newcastle (author)
- School of Physics, University of ExeterMatematiska vetenskaper (creator_code:org_t)
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- In:Physica. B, Condensed matter308, s. 8-120921-45261873-2135
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