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Hydrogen at zinc va...
Hydrogen at zinc vacancy of ZnO : an EPR and ESEEM study
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- Son, Nguyen Tien (författare)
- Linköpings universitet,Halvledarmaterial,Tekniska högskolan
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- Isoya, J. (författare)
- University of Tsukuba, Japan
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- Ivanov, Ivan Gueorguiev (författare)
- Linköpings universitet,Halvledarmaterial,Tekniska högskolan
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- Ohshima, T. (författare)
- Japan Atomic Energy Agency, Takasaki, Japan
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- Janzén, Erik (författare)
- Linköpings universitet,Halvledarmaterial,Tekniska högskolan
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(creator_code:org_t)
- American Institute of Physics (AIP), 2014
- 2014
- Engelska.
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Ingår i: International Conference on Defects in Semiconductors 2013. - : American Institute of Physics (AIP). - 9780735412156 ; , s. 341-344
- Relaterad länk:
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https://liu.diva-por... (primary) (Raw object)
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http://liu.diva-port...
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- An electron paramagnetic resonance (EPR) spectrum, labeled S1, with small-splitting doublet accompanied by weak satellites is observed in ZnO irradiated with 2 MeV electrons. The obtained structure is shown to be the hyperfine structure due to the dipolar interaction between an unpaired electron spin and a nuclear spin of hydrogen (H). The observation of the nuclear Zeeman frequency of H in electron spin echo envelope modulation experiments further confirmed the presence of a hydrogen atom in S1. From the observed spin-Hamiltonian parameters, S1 is identified to be the partly H-passivated Zn vacancy,V-Zn(-) H+, with the H+ ion making a short O-H bond with only one nearest O neighbor of V-Zn in the basal plane, being off the substitutional site, while the unpaired electron spin, which gives rise to the observed EPR signal, is localized on the p orbital of another O neighbor also in the basal plane.
Ämnesord
- NATURVETENSKAP -- Kemi (hsv//swe)
- NATURAL SCIENCES -- Chemical Sciences (hsv//eng)
Nyckelord
- ZnO
- hydrogen
- vacancies
- hyperfine interaction
- electron paramagnetic resonance.
Publikations- och innehållstyp
- ref (ämneskategori)
- kon (ämneskategori)
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