Over-coordinated oxygen in the interstitial carbon-oxygen complex

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Validerad; 2001; 20070220 (kani)
The interstitial carbon-oxygen complex is one of the most prominent defects formed in e-irradiated Cz-Si containing carbon. Stress alignment investigations have shown that the oxygen atom only perturbs the carbon interstitial but the lack of a high frequency oxygen mode has been taken to imply that the oxygen atom is over-coordinated. Local vibrational mode spectroscopy and ab initio modeling are used to investigate the defect. We find new modes whose oxygen isotopic shifts, along with the piezoscopic stress-energy tensor support the trivalent model, thus providing evidence for oxygen over-coordination.

Jones, R.School of Physics, University of Exeter (författare)
Briddon, P.R.Department of Physics, University of Newcastle (författare)
Öberg, SvenLuleå tekniska universitet,Matematiska vetenskaper(Swepub:ltu)oberg (författare)
Murin, L.I.Institute of Solid State and Semiconductor Physics, Minsk (författare)
Markevich, V.P.Centre for Electronic Materials, University of Manchester (författare)
Lindström, J.L.Department of Physics, University of Lund (författare)
School of Physics, University of ExeterDepartment of Physics, University of Newcastle (creator_code:org_t)

Av författaren/redakt...: Coutinho, J.; Jones, R.; Briddon, P.R.; Öberg, Sven; Murin, L.I.; Markevich, V.P.; visa fler...; Lindström, J.L.; visa färre...

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