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Bayesian spectroscopy on polarization dependent photoluminescence spectra of doubly-split excitons in a Cu2O thin-crystal sandwiched by MgO substrates
http://hdl.handle.net/2298/43201
http://hdl.handle.net/2298/4320123375a3c-0d0d-43b6-b05d-75cc327829a1
| 名前 / ファイル | ライセンス | アクション |
|---|---|---|
physica status solidi B.255,(25),1800136-1-1800136-9.pdf (334.4 kB)
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| Item type | プレプリント / Preprint(1) | |||||
|---|---|---|---|---|---|---|
| 公開日 | 2020-02-14 | |||||
| タイトル | ||||||
| タイトル | Bayesian spectroscopy on polarization dependent photoluminescence spectra of doubly-split excitons in a Cu2O thin-crystal sandwiched by MgO substrates | |||||
| 言語 | ||||||
| 言語 | eng | |||||
| キーワード | ||||||
| 主題 | Bayesian spectroscopy, exciton, biaxial stress effect, polarization dependence, Cu2O | |||||
| 資源タイプ | ||||||
| 資源タイプ | other | |||||
| 著者 |
Kiridoshi, Arisa
× Kiridoshi, Arisa× Aihara, Shingo× Arishima, Syunshiro× Yamashiro, Tetsuya× Mizumaki, Masaichiro× Iwamitsu, Kazunori× Akai, Ichiro |
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| 別言語の著者 |
切通, 愛莉紗
× 切通, 愛莉紗× 相原, 慎吾× 有嶋, 駿士郎× 山代, 哲也× 岩満, 一功× 赤井, 一郎 |
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| 内容記述 | ||||||
| 内容記述 | By using Bayesian spectroscopy, we studied polarization dependence of photoluminescence (PL) spectra in doubly-split 1S yellow ortho-excitons in a Cu2O thin-crystal recrystallized in a small gap between paired MgO substrates. In these thin-crystals, biaxial stresses are expected to be involved due to a small lattice mismatch between Cu2O and MgO. The ortho-exciton state splits into two states due to symmetry lowering. To elucidate such biaxial stress effect, we measured polarization dependence of the PL spectra. Although resonant weak PL bands of the doubly-split exciton states and their intense phonon sidebands co-exist, we succeeded in decomposing to the respective spectral components by the Bayesian spectroscopy. As a result, it was found that the resonant PL band appearing on higher energy side shows hardly polarization dependence, whereas the resonant PL band at lower energy side is further weak and shows polarization dependence. These results can be explained by the selection rule and polarization dependences on the transition matrix elements of quadrupole transitions of the ortho-exciton states, and it clearly shows that the crystal symmetry degrades to tetragonal one by the isotropic biaxial stress involved in the Cu2O thin-crystals. | |||||
| 書誌情報 |
physica status solidi B 巻 255, 号 11, p. 1800136-1-1800136-9, 発行日 2018-07-19 |
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| ISSN | ||||||
| 収録物識別子 | 03701972 | |||||
| DOI | ||||||
| 関連タイプ | isVersionOf | |||||
| 関連識別子 | https://doi.org/10.1002/pssb.201800136 | |||||
| 権利 | ||||||
| 権利情報 | © 2018 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim | |||||
| フォーマット | ||||||
| 内容記述タイプ | Other | |||||
| 内容記述 | application/pdf | |||||
| 形態 | ||||||
| 334398 bytes | ||||||
| 著者版フラグ | ||||||
| 出版タイプ | AO | |||||
| 出版タイプResource | http://purl.org/coar/version/c_b1a7d7d4d402bcce | |||||
| 日本十進分類法 | ||||||
| 主題Scheme | NDC | |||||
| 主題 | 425.5 | |||||
| 出版者 | ||||||
| 出版者 | Wiley | |||||
| 資源タイプ・ローカル | ||||||
| プレプリント | ||||||
| 資源タイプ・NII | ||||||
| Preprint | ||||||
| 資源タイプ・DCMI | ||||||
| text | ||||||
| 資源タイプ・ローカル表示コード | ||||||
| 01 | ||||||
| URL | ||||||
| 内容記述タイプ | Other | |||||
| 内容記述 | https://onlinelibrary.wiley.com/doi/abs/10.1002/pssb.201800136 | |||||
