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Effects of annealin...
Effects of annealing on photoluminescence and defect interplay in ZnO bombarded by heavy ions : Crucial role of the ion dose
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Azarov, A. (author)
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Galeckas, A. (author)
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Mieszczyński, C. (author)
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- Hallén, Anders (author)
- KTH,Skolan för elektroteknik och datavetenskap (EECS)
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Kuznetsov, A. (author)
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(creator_code:org_t)
- American Institute of Physics (AIP), 2020
- 2020
- English.
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In: Journal of Applied Physics. - : American Institute of Physics (AIP). - 0021-8979 .- 1089-7550. ; 127:2
- Related links:
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https://www.duo.uio....
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Subject headings
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- Bombardment of ZnO with heavy ions generating dense collision cascades is of particular interest because of the formation of nontrivial damage distribution involving a defected layer located between the surface and the bulk damage regions, as seen by Rutherford backscattering spectroscopy in the channeling mode. By correlating photoluminescence and channeling data, we demonstrate that the thermal evolution of defects in wurtzite ZnO single crystals implanted with Cd ions strongly depends on the implanted dose. Specifically, the ion dose has a profound effect on the optical response in the spectral range between the near-band-edge emission and deep-level emission bands. The interplay between interstitial and vacancy type defects during annealing is discussed in relation to the evolution of the multipeak damage distribution.
Subject headings
- NATURVETENSKAP -- Fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences (hsv//eng)
Publication and Content Type
- ref (subject category)
- art (subject category)
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