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Thermal double donors and quantum dots
School of Physics, University of Exeter.
School of Physics, University of Exeter.
Institute of Solid State and Semiconductor Physics, Minsk.
Centre for Electronic Materials, University of Manchester.
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2001 (English)In: Physical Review Letters, ISSN 0031-9007, E-ISSN 1079-7114, Vol. 87, no 23, p. 235501-Article in journal (Refereed) Published
Abstract [en]

Combined local mode spectroscopy and ab initio modeling are used to demonstrate for the first time that oxygen atoms in thermal double donors (TDD) in Si are in close proximity. The observed vibrational modes in 16O, 18O, and mixed isotopic samples are consistent with a model involving [110] aligned oxygen chains made up of an insulating core lying between electrically active ends. The model also explains the minute spin density observed on oxygen in TDD+ as well as the piezospectroscopic tensors of the donors. The analogy between the thermal donors and quantum dots is emphasized.

Place, publisher, year, edition, pages
2001. Vol. 87, no 23, p. 235501-
National Category
Computational Mathematics
Research subject
Scientific Computing
Identifiers
URN: urn:nbn:se:ltu:diva-5216DOI: 10.1103/PhysRevLett.87.235501Local ID: 34291400-c357-11db-9ea3-000ea68e967bOAI: oai:DiVA.org:ltu-5216DiVA: diva2:978090
Note
Validerad; 2001; 20070220 (kani)Available from: 2016-09-29 Created: 2016-09-29 Last updated: 2017-11-24Bibliographically approved

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