Coherent Phonons in Carbon Nanotubes
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- KATO Keiko
- NTT Basic Research Laboratories, Nippon Telegraph and Telephone Corporation
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- KITAJIMA Masahiro
- Department of Applied Physics, School of Applied Science, National Defense Academy of Japan
Bibliographic Information
- Other Title
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- カーボンナノチューブのコヒーレントフォノン
- カーボンナノチューブ ノ コヒーレントフォノン
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Abstract
Carbon nanotubes have potential to make breakthrough achievement in nano-electronics, photonics, and ultrafast devices. We report real-time observations of coherent phonons in aligned single-walled carbon nanotubes through the time-resolved reflectivity measurements with sub-10 fs laser pulses. In the isotropic reflectivity measurements, we observe the radial breathing modes, G and even D modes, while in the anisotropic reflectivity measurements, only the G mode appears. A complex polarization dependence of the G band phonon amplitude in the isotropic reflectivity indicates the superposition of G band phonons with different symmetries.<br>
Journal
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- Journal of the Vacuum Society of Japan
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Journal of the Vacuum Society of Japan 53 (5), 317-326, 2010
The Vacuum Society of Japan
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Details 詳細情報について
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- CRID
- 1390001205294979456
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- NII Article ID
- 10026410200
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- NII Book ID
- AA12298652
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- ISSN
- 18824749
- 18822398
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- NDL BIB ID
- 10725333
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- Text Lang
- ja
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- Data Source
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- JaLC
- NDL
- Crossref
- CiNii Articles
- KAKEN
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- Abstract License Flag
- Disallowed