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Temperature dependence of excitonic absorption spectra in ZnO/Zn0.88Mg0.12O multiquantum wells grown on lattice-matched substrates

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Temperature dependence of excitonic absorption spectra in ZnO/Zn0.88Mg0.12O multiquantum wells grown on lattice-matched substrates

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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 2009-11-13T06:16:45Z
dc.date.available 2009-11-13T06:16:45Z
dc.date.copyright 2001
dc.date.issued 2009-11-13T06:16:45Z
dc.identifier.citation Sun, H. D., Makino, T., Tuan, N. T., Segawa, Y., Kawasaki, M., Ohtomo, A., et al. (2001). Temperature dependence of excitonic absorption spectra in ZnOÕZn0.88Mg0.12O multiquantum wells grown on lattice-matched substrates. Applied Physics Letters., 78(17), 2464-2466.
dc.identifier.issn 0003-6951
dc.identifier.uri http://hdl.handle.net/10220/6155
dc.description.abstract The excitonic properties of high-quality ZnO/Zn0.88Mg0.12O multiquantum wells grown by laser-molecular-beam epitaxy were investigated using temperature-dependent optical absorption spectra from 5 K to room temperature. The strength of exciton-longitudinal-optical (LO) –phonon coupling was deduced from the temperature dependence of the linewidth of the fundamental excitonic peak. Effective reduction of the exciton (LO) -phonon coupling with decreasing the well width was observed, which is consistent with the confinement-induced enhancement of the exciton binding energy. The thermal shift of the lowest excitonic energy is independent of well width, indicating that the strain effect is negligible for this material.
dc.format.extent 4 p.
dc.language.iso en
dc.relation.ispartofseries Applied Physics Letters.
dc.rights Applied Physics Letters © copyright 2001 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 Temperature dependence of excitonic absorption spectra in ZnO/Zn0.88Mg0.12O multiquantum wells grown on lattice-matched substrates
dc.type Journal Article
dc.contributor.school School of Physical and Mathematical Sciences
dc.identifier.openurl http://scitation.aip.org.ezlibproxy1.ntu.edu.sg/getabs/servlet/GetabsServlet?prog=normal&id=APPLAB000078000017002464000001
dc.identifier.doi http://dx.doi.org/10.1063/1.1367300
dc.description.version Published version

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