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Optical characteriz...
Optical characterization studies of grown-in defects in ZnO epilayers grown by molecular beam epitaxy
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- Wang, Xiangjun (författare)
- Linköpings universitet,Tekniska högskolan,Biomolekylär och Organisk Elektronik
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- Buyanova, Irina A. (författare)
- Linköpings universitet,Funktionella elektroniska material,Tekniska högskolan
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- Chen, Weimin (författare)
- Linköpings universitet,Tekniska högskolan,Funktionella elektroniska material
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- Pan, C.J. (författare)
- Department of Electrical and Computer Engineering, University of California, La Jolla, United States, Optical Sciences Center, National Central University, Jhongli, Taoyuan 32001, Taiwan
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- Tu, C.W. (författare)
- Department of Electrical and Computer Engineering, University of California, La Jolla, United States
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(creator_code:org_t)
- Elsevier BV, 2007
- 2007
- Engelska.
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Ingår i: Physica. B, Condensed matter. - : Elsevier BV. - 0921-4526 .- 1873-2135. ; 401-402, s. 413-416
- Relaterad länk:
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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
- Defect formation in ZnO epilayers grown by molecular beam epitaxy (MBE) is studied by employing optical characterization techniques such as photoluminescence (PL) and optically detected magnetic resonance (ODMR). Excess of oxygen during the growth was found to cause an appearance of the PL peak at around 3.338 eV, which indicates that the corresponding defects are predominantly formed in O-rich ZnO. On the other hand, non-stoichiometry during the growth was singled out as the main factor facilitating formation of defects involved in the yellow PL emission band peaking at around 2.17 eV. Several magnetic-resonance active defects are revealed via monitoring this emission and their magnetic-resonance signatures are obtained. © 2007 Elsevier B.V. All rights reserved.
Nyckelord
- Defects
- Photoluminescence
- ZnO
- TECHNOLOGY
- TEKNIKVETENSKAP
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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