Please use this identifier to cite or link to this item: https://hdl.handle.net/10356/101293
Title: Temperature dependence of excitonic absorption spectra in ZnO/Zn0.88Mg0.12O multiquantum wells grown on lattice-matched substrates
Authors: Sun, Handong
Makino, T.
Tuan, N. T.
Segawa, Y.
Kawasaki, M.
Ohtomo, A.
Tamura, K.
Koinuma, H.
Keywords: DRNTU::Science::Physics::Optics and light
Issue Date: 2001
Source: 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.
Series/Report no.: Applied Physics Letters.
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.
URI: https://hdl.handle.net/10356/101293
http://hdl.handle.net/10220/6155
ISSN: 0003-6951
DOI: 10.1063/1.1367300
Schools: School of Physical and Mathematical Sciences 
Rights: Applied Physics Letters © copyright 2001 American Institute of Physics. The journal's website is located at http://apl.aip.org/.
Fulltext Permission: open
Fulltext Availability: With Fulltext
Appears in Collections:SPMS Journal Articles

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