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Title: Effect of microwave irradiation on the electronic structure of ZnO
Authors: Yoshida, Kyohei
Sonobe, Taro
Zen, Heishun  kyouindb  KAKEN_id  orcid https://orcid.org/0000-0002-2719-6985 (unconfirmed)
Hachiya, Kan  kyouindb  KAKEN_id
Okumura, Kensuke
Mishima, Kenta
Inukai, Motoharu
Negm, Hani
Torgasin, Konstantin
Omer, Mohamed
Kinjo, Ryota
Kii, Toshiteru
Masuda, Kai
Ohgaki, Hideaki  kyouindb  KAKEN_id  orcid https://orcid.org/0000-0002-3553-4091 (unconfirmed)
Author's alias: 吉田, 恭平
Keywords: Electronic structure
Optical properties
Semiconductors
Inorganic compounds
Oxides
Issue Date: 14-Mar-2015
Publisher: Elsevier
Journal title: Journal of Physics and Chemistry of Solids
Volume: 83
Start page: 47
End page: 51
Abstract: Modifying the electronic structure may allow a bulk material to efficiently absorb radiation as well as excite and emit atomic plasma. The interaction between microwaves and metal oxides is investigated by analyzing the electronic structure of ZnO with and without microwave (MW) irradiation using absorption, photoluminescence (PL), and PL excitation (PLE) spectroscopies and utilizing an ultraviolet synchrotron light source. MW irradiation lowers the energy of the absorption edge of ZnO producing defects. Additionally, MW irradiation causes a resonantly enhanced change in the intensity and peak shift of the PL band. These phenomena indicate that the defects generated by MW irradiation change the electronic structure of ZnO and the electron transition process.
Rights: © 2015 Elsevier. Licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International http://creativecommons.org/licenses/by-nc-nd/4.0/. NOTICE: this is the author's version of a work that was accepted for publication in Journal of Physics and Chemistry of Solids. Changes resulting from the publishing process, such as peer review, editing, corrections, structural formatting, and other quality control mechanisms may not be reflected in this document. Changes may have been made to this work since it was submitted for publication. A definitive version was subsequently published in Journal of Physics and Chemistry of Solids, Volume 83, Pages 47–51. doi:10.1016/j.jpcs.2015.03.013
許諾条件により本文ファイルは2017-03-14に公開.
This is not the published version. Please cite only the published version. この論文は出版社版でありません。引用の際には出版社版をご確認ご利用ください。
URI: http://hdl.handle.net/2433/198552
DOI(Published Version): 10.1016/j.jpcs.2015.03.013
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