WEKO3
アイテム
Direct and Indirect Interlayer Excitons in a van der Waals Heterostructure of hBN/WS2/MoS2/hBN
http://hdl.handle.net/2237/00028429
http://hdl.handle.net/2237/0002842993555965-372b-44c0-a9d4-b98761fe7ce8
| 名前 / ファイル | ライセンス | アクション |
|---|---|---|
repository (1.1 MB)
|
|
| Item type | 学術雑誌論文 / Journal Article(1) | |||||
|---|---|---|---|---|---|---|
| 公開日 | 2018-08-07 | |||||
| タイトル | ||||||
| タイトル | Direct and Indirect Interlayer Excitons in a van der Waals Heterostructure of hBN/WS2/MoS2/hBN | |||||
| 言語 | en | |||||
| 著者 |
Okada, Mitsuhiro
× Okada, Mitsuhiro× Kutana, Alex× Kureishi, Yusuke× Kobayashi, Yu× Saito, Yuika× Saito, Tetsuki× Watanabe, Kenji× Taniguchi, Takashi× Gupta, Sunny× Miyata, Yasumitsu× Yakobson, Boris I.× Shinohara, Hisanori× Kitaura, Ryo |
|||||
| アクセス権 | ||||||
| アクセス権 | open access | |||||
| アクセス権URI | http://purl.org/coar/access_right/c_abf2 | |||||
| 権利 | ||||||
| 言語 | en | |||||
| 権利情報 | “This document is the Accepted Manuscript version of a Published Work that appeared in final form in [ACS Nano], copyright © American Chemical Society after peer review and technical editing by the publisher. To access the final edited and published work see [https://pubs.acs.org/articlesonrequest/AOR-cIjAMkvASYcQa3QdDvKJ].” | |||||
| キーワード | ||||||
| 主題Scheme | Other | |||||
| 主題 | density functional theory | |||||
| キーワード | ||||||
| 主題Scheme | Other | |||||
| 主題 | interlayer exciton | |||||
| キーワード | ||||||
| 主題Scheme | Other | |||||
| 主題 | photoluminescence spectroscopy | |||||
| キーワード | ||||||
| 主題Scheme | Other | |||||
| 主題 | transition metal dichalcogenides | |||||
| キーワード | ||||||
| 主題Scheme | Other | |||||
| 主題 | van der Waals heterostructures | |||||
| 抄録 | ||||||
| 内容記述タイプ | Abstract | |||||
| 内容記述 | A van der Waals (vdW) heterostructure composed of multivalley systems can show excitonic optical responses from interlayer excitons that originate from several valleys in the electronic structure. In this work, we studied photoluminescence (PL) from a vdW heterostructure, WS2/MoS2, deposited on hexagonal boron nitride (hBN) flakes. PL spectra from the fabricated heterostructures observed at room temperature show PL peaks at 1.3–1.7 eV, which are absent in the PL spectra of WS2 or MoS2 monolayers alone. The low-energy PL peaks we observed can be decomposed into three distinct peaks. Through detailed PL measurements and theoretical analysis, including PL imaging, time-resolved PL measurements, and calculation of dielectric function ε(ω) by solving the Bethe–Salpeter equation with G0W0, we concluded that the three PL peaks originate from direct K–K interlayer excitons, indirect Q−Γ interlayer excitons, and indirect K−Γ interlayer excitons. | |||||
| 言語 | en | |||||
| 内容記述 | ||||||
| 内容記述タイプ | Other | |||||
| 内容記述 | ファイル公開：2019-03-27 | |||||
| 言語 | ja | |||||
| 出版者 | ||||||
| 出版者 | ACS Publications | |||||
| 言語 | en | |||||
| 言語 | ||||||
| 言語 | eng | |||||
| 資源タイプ | ||||||
| 資源タイプ識別子 | http://purl.org/coar/resource_type/c_6501 | |||||
| 資源タイプ | journal article | |||||
| 出版タイプ | ||||||
| 出版タイプ | AM | |||||
| 出版タイプResource | http://purl.org/coar/version/c_ab4af688f83e57aa | |||||
| DOI | ||||||
| 関連タイプ | isVersionOf | |||||
| 識別子タイプ | DOI | |||||
| 関連識別子 | https://doi.org/10.1021/acsnano.7b08253 | |||||
| ISSN | ||||||
| 収録物識別子タイプ | PISSN | |||||
| 収録物識別子 | 1936-0851 | |||||
| 書誌情報 |
en : ACS Nano 巻 12, 号 3, p. 2498-2505, 発行日 2018-03-27 |
|||||
| 著者版フラグ | ||||||
| 値 | author | |||||
