| Project/Area Number |
22KF0394
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| Project/Area Number (Other) |
21F21033 (2021-2022)
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| Research Category |
Grant-in-Aid for JSPS Fellows
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| Allocation Type | Multi-year Fund (2023)
Single-year Grants (2021-2022) |
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| Section | 外国 |
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| Review Section |
Basic Section 32020:Functional solid state chemistry-related
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| Research Institution | Institute of Physical and Chemical Research |
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Principal Investigator |
金 有洙 国立研究開発法人理化学研究所, 開拓研究本部, 主任研究員 (50373296)
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| Co-Investigator(Kenkyū-buntansha) |
JACULBIA RAFAEL 国立研究開発法人理化学研究所, 開拓研究本部, 外国人特別研究員
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| Project Period (FY) |
2023-03-08 – 2024-03-31
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| Project Status |
Completed (Fiscal Year 2023)
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| Budget Amount *help |
¥2,300,000 (Direct Cost: ¥2,300,000)
Fiscal Year 2023: ¥200,000 (Direct Cost: ¥200,000)
Fiscal Year 2022: ¥1,100,000 (Direct Cost: ¥1,100,000)
Fiscal Year 2021: ¥1,000,000 (Direct Cost: ¥1,000,000)
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| Keywords | graphene / STM / Raman spectroscopy / defect / strain / tip enhancement |
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| Outline of Research at the Start |
This research will concentrate mainly on the development of a new facility that has not been realized previously. This involves extending the capability of the host laboratory’s STM based tip-enhanced Raman spectroscopy setup to allow for investigating THz-Raman modes of graphene.
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| Outline of Annual Research Achievements |
Graphene is one of the most promising two-dimensional material because of its unique properties. Here, we use STM-based tip enhanced Raman spectroscopy (TERS) to investigate graphene samples. Samples were grown on Au(111) substrates using chemical vapour deposition. Then they were studied using STM imaging, scanning tunneling spectroscopy and STM-TERS. The STM imaging showed Moire patterns and honeycomb structures which are signatures of graphene. The STM-TERS spectra showed the D, 2D, 2D’, and G-band of graphene. Both STS and STM-TERS mapping across an impurity on the sample was performed. We found that the intensity map of the D peak corresponds well to the STS map at around the Fermi level.
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