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Intrinsic and Extrinsic Excitonic Features in MgS/ZnSe Superlattices Revealed by Microspectroscopy

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Title: Intrinsic and Extrinsic Excitonic Features in MgS/ZnSe Superlattices Revealed by Microspectroscopy
Authors: Kumano, Hidekazu Browse this author →KAKEN DB
Nashiki, Hiroyuki Browse this author
Suemune, Ikuo Browse this author →KAKEN DB
Suzuki, Hideki Browse this author
Uesugi, Katsuhiro Browse this author →KAKEN DB
He, An-Qiang Browse this author
Otsuka, Nobuo Browse this author
Keywords: metalorganic vapor phase epitaxy (MOVPE)
excitonic property
interface homogeneity
exciton transfer
Issue Date: Feb-2000
Publisher: Japan Society of Applied Physics
Journal Title: Japanese Journal of Applied Physics. Part 1
Volume: 39
Issue: 2A
Start Page: 501
End Page: 504
Publisher DOI: 10.1143/JJAP.39.501
Abstract: Microspectroscopy of luminescence and optical reflection properties was performed on MgS/ZnSe superlattices with the spatial resolutions of ~µm and ~10 µm, respectively, to examine the origin of excitonic transitions. C1-HH1 well-defined excitonic peaks which originate from multi-monolayer (ML) variation of 4–5 ML height, formed predominantly at the ZnSe surfaces of MgS/ZnSe heterointerfaces, were found to make a significant contribution to the optical spectra. The detailed identification of these inhomogeneous C1-HH1 excitonic peaks and intrinsic C1-LH1 excitonic peaks, which are close in energy levels, is discussed on the basis of results of the present microspectroscopy studies and with respect to the temperature dependence of the luminescence spectra.
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Rights: © 2000 The Japan Society of Applied Physics
Type: article (author version)
Appears in Collections:電子科学研究所 (Research Institute for Electronic Science) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 熊野 英和

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