Publications of Takashi Kumagai
All genres
Journal Article (41)
Journal Article
A. Shiotari, , A. Hammud, F. Schulz, M. Wolf, T. Kumagai and M. Müller: Scattering near-field optical microscopy at 1-nm resolution using ultralow tip oscillation amplitudes. Science Advances 11 (24), eadu1415 (2025).
Journal Article
B. Cirera, S. Liu, Y. Park, , M. Wolf, A. Shiotari and T. Kumagai: Single-molecule tip-enhanced Raman spectroscopy of C60 on the Si(111)-(7x7) surface. Physical Chemistry Chemical Physics 26 (32), 21325–21331 (2024).
Journal Article
C. Lin, F. Krecinic, H. Yoshino, A. Hammud, , M. Wolf, M. Müller and T. Kumagai: Continuous-Wave Multiphoton-Induced Electron Transfer in Tunnel Junctions Driven by Intense Plasmonic Fields. ACS Photonics 10 (10), 3637–3646 (2023).
Journal Article
S. Liu, , , , M. Wolf and T. Kumagai: Inelastic Light Scattering in the Vicinity of a Single-Atom Quantum Point Contact in a Plasmonic Picocavity. ACS Nano 17 (11), 10172–10180 (2023).
Journal Article
B. Cirera, M. Wolf and T. Kumagai: Joule Heating in Single-Molecule Point Contacts Studied by Tip-Enhanced Raman Spectroscopy. ACS Nano 16 (10), 16443–16451 (2022).
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S. Liu, A. Hammud, , M. Wolf, M. Müller and T. Kumagai: Nanoscale coherent phonon spectroscopy. Science Advances 8 (42), eabq5682 (2022).
Journal Article
N. Martin Sabanés, F. Krecinic, T. Kumagai, F. Schulz, M. Wolf and M. Müller: Femtosecond Thermal and Nonthermal Hot Electron Tunneling Inside a Photoexcited Tunnel Junction. ACS Nano 16 (9), 14479–14489 (2022).
Journal Article
S. Liu, M. Wolf and T. Kumagai: Nanoscale Heating of an Ultrathin Oxide Film Studied by Tip-Enhanced Raman Spectroscopy. Physical Review Letters 128 (20), 206803 (2022).
Journal Article
B. Cirera, , C. Lin, , A. Hammud, M. Wolf, and T. Kumagai: Charge Transfer-Mediated Dramatic Enhancement of Raman Scattering upon Molecular Point Contact Formation. Nano Letters 22 (6), 2170–2176 (2022).
Journal Article
S. Liu, A. Hammud, M. Wolf and T. Kumagai: Anti-Stokes Light Scattering Mediated by Electron Transfer Across a Biased Plasmonic Nanojunction. ACS Photonics 8 (9), 2610–2617 (2021).
Journal Article
S. Liu, A. Hammud, M. Wolf and T. Kumagai: Atomic Point Contact Raman Spectroscopy of a Si(111)-7 × 7 Surface. Nano Letters 21 (9), 4057–4061 (2021).
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Journal Article
T. Kumagai: Turn on Nanolight in a Tiny Gap: Photophysical and photochemical phenomena are directly observable using low-temperature scanning tunneling microscopy combined with plasmonics. Vakuum in Forschung und Praxis 32 (5), 33–37 (2020).
Journal Article
T. Kumagai: Turn on Nanolight in a Tiny Gap: Photophysical and photochemical phenomena are directly observable using low-temperature scanning tunneling microscopy combined with plasmonics. Physik Journal 19 (8/9), 59–62 (2020).
Journal Article
C. Lin, , , and T. Kumagai: Real-space observation of far- and near-field-induced photolysis of molecular oxygen on an Ag(110) surface by visible light. The Journal of Chemical Physics 151 (14), 144705 (2019).
Journal Article
S. Liu, M. Müller, , , A. Hammud, M. Wolf and T. Kumagai: Resolving the Correlation between Tip-Enhanced Resonance Raman Scattering and Local Electronic States with 1 nm Resolution. Nano Letters 19 (8), 5725–5731 (2019).
Journal Article
H. Böckmann, S. Liu, M. Müller, A. Hammud, M. Wolf and T. Kumagai: Near-Field Manipulation in a Scanning Tunneling Microscope Junction with Plasmonic Fabry-Pérot Tips. Nano Letters 19 (6), 3597–3602 (2019).
Journal Article
H. Böckmann, M. Müller, A. Hammud, M.G. Willinger, , , M. Wolf and T. Kumagai: Near-Field Spectral Response of Optically Excited Scanning Tunneling Microscope Junctions Probed by Single-Molecule Action Spectroscopy. The Journal of Physical Chemistry Letters 10, 2068–2074 (2019).
Journal Article
Y. Litman, , T. Kumagai and M. Rossi: Elucidating the Nuclear Quantum Dynamics of Intramolecular Double Hydrogen Transfer in Porphycene. Journal of the American Chemical Society 141 (6), 2526–2534 (2019).