Gigantic Optical Stark Effect and Ultrafast Relaxation of Excitons in Single-Walled Carbon Nanotubes
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- Maeda Atsushi
- Department of Advanced Materials Science, University of Tokyo
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- Matsumoto Shinji
- Department of Advanced Materials Science, University of Tokyo
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- Kishida Hideo
- Department of Advanced Materials Science, University of Tokyo
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- Takenobu Taishi
- Institute for Materials Research, Tohoku University CREST, Japan Science and Technology Agency
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- Iwasa Yoshihiro
- Institute for Materials Research, Tohoku University CREST, Japan Science and Technology Agency
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- Shimoda Hideo
- Xintek Inc.
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- Zhou Otto
- Department of Physics and Astronomy and Curriculum in Applied and Materials Sciences, University of North Carolina
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- Shiraishi Masashi
- Graduate School of Engineering Science, Osaka University
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- Okamoto Hiroshi
- Department of Advanced Materials Science, University of Tokyo
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We report a splitting and a shift of exciton absorptions in semiconducting single-walled carbon nanotubes (SWNTs) by resonant and off-resonant excitation using a fs laser pulse, respectively. This is the first unambiguous observation of the optical Stark effect of excitons in SWNTs, which is responsible for their high optical-switching performance. By scrutinizing transient absorption spectra from the mid- to near-infrared region (0.1–0.8 eV), the ultrafast recovery of real carrier excitations characteristic of bundled structures was attributed to the energy- and charge-transfer processes to metallic SWNTs.
収録刊行物
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- Journal of the Physical Society of Japan
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Journal of the Physical Society of Japan 75 (4), 043709-, 2006
一般社団法人 日本物理学会
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詳細情報 詳細情報について
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- CRID
- 1390001204189740928
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- NII論文ID
- 110004729252
- 210000106079
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- NII書誌ID
- AA00704814
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- BIBCODE
- 2006JPSJ...75d3709M
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- ISSN
- 13474073
- 00319015
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- NDL書誌ID
- 7882274
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- 本文言語コード
- en
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- データソース種別
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- JaLC
- NDL
- Crossref
- CiNii Articles
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- 抄録ライセンスフラグ
- 使用不可