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Spin dynamics in Zn...
Spin dynamics in ZnO-based materials
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- Buyanova, Irina (författare)
- Linköpings universitet,Funktionella elektroniska material,Tekniska högskolan
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- Murayama, A (författare)
- Institute of Multidisciplinary Research for Advanced Materials, Tohoku University, Sendai, Japan
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- Furuta, T (författare)
- Institute of Multidisciplinary Research for Advanced Materials, Tohoku University, Sendai, Japan
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- Oka, Y (författare)
- Institute of Multidisciplinary Research for Advanced Materials, Tohoku University, Sendai, Japan
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- Norton, D P (författare)
- Department of Materials Science and Engineering, University of Florida, Gainesville, FL, USA
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- Pearton, S J (författare)
- Department of Materials Science and Engineering, University of Florida, Gainesville, FL, USA
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- Osinsky, A (författare)
- SVT Associates, Eden Prairie, MN, USA
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- Dong, J W (författare)
- SVT Associates, Eden Prairie, MN, USA
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- Tu, C W (författare)
- Department of Electrical and Computer Engineering, UC California, La Jolla, USA
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- Chen, Weimin (författare)
- Linköpings universitet,Funktionella elektroniska material,Tekniska högskolan
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(creator_code:org_t)
- 2009-09-23
- 2010
- Engelska.
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Ingår i: Journal of Superconductivity and Novel Magnetism. - New York, USA : Springer-Verlag New York. - 1557-1939 .- 1557-1947. ; 23:1, s. 161-165
- 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
- In this work, we address the issue of spin relaxation and its relevance to spin detection in ZnO-based materials, by spin-polarized, time-resolved magneto-optical spectroscopy. We have found that spin relaxation is very fast, i.e. about 100 ps for donor bound excitons in wurtzite ZnO, despite of a weak spin–orbit interaction. We also reveal that alloying of ZnO with Cd enhances spin relaxation, prohibiting ZnCdO/ZnO structures for efficient optical spin detection. On the other hand, a variation in strain field induced by lattice mismatch with substrates does not seem to lead to a noticeable change in spin relaxation. The observed fast spin relaxation, together with the limitation imposed by the band structure, are thus identified as the two most important factors that limit the efficiency of optical spin detection in the studied ZnO-based materials.
Ämnesord
- NATURVETENSKAP -- Fysik -- Den kondenserade materiens fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Condensed Matter Physics (hsv//eng)
Nyckelord
- Semiconductor physics
- Halvledarfysik
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- art (ämneskategori)
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Buyanova, Irina
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Murayama, A
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Furuta, T
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Oka, Y
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Norton, D P
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Pearton, S J
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visa fler...
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Osinsky, A
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Dong, J W
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Tu, C W
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Chen, Weimin
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visa färre...
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- NATURVETENSKAP
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NATURVETENSKAP
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och Fysik
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och Den kondenserade ...
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Journal of Super ...
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Linköpings universitet