Ultrafast Dynamics of Photoexcited Gold Nanostructures on Mica Substrates Probed by Transient Absorption Spectroscopy and Time-resolved X-ray Diffraction
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- Hikaru Sotome
- Department of Chemistry, Graduate School of Science, Tohoku University
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- Yosuke Azuma
- Department of Chemistry, Graduate School of Science, Tohoku University
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- Sho Asami
- Department of Chemistry, Graduate School of Science, Tohoku University
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- Shin-ichi Matsushima
- Department of Chemistry, Graduate School of Science, Tohoku University
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- Shinji Kajimoto
- Department of Chemistry, Graduate School of Science, Tohoku University
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- Hiroshi Fukumura
- Department of Chemistry, Graduate School of Science, Tohoku University
説明
<jats:title>Abstract</jats:title> <jats:p>Gold nanostructures deposited on mica were excited with 400-nm sub-ps light pulses. Sub-ps transient absorption spectroscopy showed that excited hot electrons in the gold nanostructures decayed with a time constant of 13 ps through electron–phonon coupling in the nanostructures. Sub-ps time-resolved X-ray diffraction revealed that the (0010) mica lattice constant in a 1.7 µm thick surface layer expanded with a time constant of 6 ps.</jats:p>
収録刊行物
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- Chemistry Letters
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Chemistry Letters 44 (7), 961-963, 2015-04-17
Oxford University Press (OUP)
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詳細情報 詳細情報について
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- CRID
- 1360565169059096576
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- NII論文ID
- 130005085138
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- ISSN
- 13480715
- 03667022
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