Biexciton emission from ZnO/Zn0.74Mg0.26O multi-quantum wells

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Biexciton emission from ZnO/Zn0.74Mg0.26O multi-quantum wells

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dc.contributor.author Sun, Handong
dc.contributor.author Makino, T.
dc.contributor.author Tuan, N. T.
dc.contributor.author Segawa, Y.
dc.contributor.author Kawasaki, M.
dc.contributor.author Ohtomo, A.
dc.contributor.author Tamura, K.
dc.contributor.author Koinuma, H.
dc.date.accessioned 2009-11-13T03:24:21Z
dc.date.available 2009-11-13T03:24:21Z
dc.date.copyright 2001
dc.date.issued 2009-11-13T03:24:21Z
dc.identifier.citation Sun, H. D., Makino, T., Tuan, N. T., Segawa, Y., Kawasaki, M., Ohtomo, A., et al. (2001). Biexciton emission from ZnO/Zn0.74Mg0.26O multi-quantum wells. Applied Physics Letters, 78(22), 3385-3387.
dc.identifier.issn 0003-6951
dc.identifier.uri http://hdl.handle.net/10220/6147
dc.description.abstract Luminescence due to the radiative recombination of localized biexcitons has been observed at low temperature (5 K) in ZnO/Zn0.74Mg0.26O multiquantum wells grown by laser-molecular-beam epilaxy on a lattice-matched ScAlMgO4 substrate (0001). The emission components due to the recombination of localized excitons and biexcitons and due to the exciton–exciton scattering were verified by examining their relative energy positions and intensity dependence on excitation power density. The excitation threshold for biexciton emission was significantly lower than that for exciton–exciton scattering. The binding energy of biexcitons in multi-quantum wells is largely enhanced by quantum confinement effect.
dc.format.extent 4 p.
dc.language.iso en
dc.relation.ispartofseries Applied physics letters
dc.rights Applied Physics Letters © copyright 2004 American Institute of Physics. The journal's website is located at http://apl.aip.org/.
dc.subject DRNTU::Science::Physics::Optics and light.
dc.title Biexciton emission from ZnO/Zn0.74Mg0.26O multi-quantum wells
dc.type Journal Article
dc.contributor.school School of Physical and Mathematical Sciences
dc.identifier.openurl http://link.aip.org.ezlibproxy1.ntu.edu.sg/link/?APPLAB/78/3385/1
dc.identifier.doi http://dx.doi.org/10.1063/1.1375830
dc.description.version Published version

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