Publications of Takashi Kumagai

Journal Article (36)

Journal Article
Cirera, B.; Wolf, M.; Kumagai, T.: Joule Heating in Single-Molecule Point Contacts Studied by Tip-Enhanced Raman Spectroscopy. ACS Nano (2022)
Journal Article
Martin Sabanés, N.; Krecinic, F.; Kumagai, T.; Schulz, F.; Wolf, M.; Müller, M.: Femtosecond Thermal and Nonthermal Hot Electron Tunneling Inside a Photoexcited Tunnel Junction. ACS Nano 16 (9), pp. 14479 - 14489 (2022)
Journal Article
Liu, S.; Wolf, M.; Kumagai, T.: Nanoscale Heating of an Ultrathin Oxide Film Studied by Tip-Enhanced Raman Spectroscopy. Physical Review Letters 128 (20), 206803 (2022)
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Cirera, B.; Litman, Y.; Lin, C.; Akkoush, A.; Hammud, A.; Wolf, M.; Rossi, M.; Kumagai, T.: Charge Transfer-Mediated Dramatic Enhancement of Raman Scattering upon Molecular Point Contact Formation. Nano Letters 22 (6), pp. 2170 - 2176 (2022)
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Liu, S.; Hammud, A.; Wolf, M.; Kumagai, T.: Anti-Stokes Light Scattering Mediated by Electron Transfer Across a Biased Plasmonic Nanojunction. ACS Photonics 8 (9), pp. 2610 - 2617 (2021)
Journal Article
Liu, S.; Hammud, A.; Wolf, M.; Kumagai, T.: Atomic Point Contact Raman Spectroscopy of a Si(111)-7 × 7 Surface. Nano Letters 21 (9), pp. 4057 - 4061 (2021)
Journal Article
Kumagai, T.: Sub-molecular photoluminescence. Nature Photonics 14 (11), pp. 653 - 657 (2020)
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Kumagai, T.: 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), pp. 33 - 37 (2020)
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Kumagai, T.: 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), pp. 59 - 62 (2020)
Journal Article
Liu, S.; Cirera, B.; Sun, Y.; Hamada, I.; Müller, M.; Hammud, A.; Wolf, M.; Kumagai, T.: Dramatic Enhancement of Tip-Enhanced Raman Scattering Mediated by Atomic Point Contact Formation. Nano Letters 20 (8), pp. 5879 - 5884 (2020)
Journal Article
Lin, C.; Ikeda, K.; Shiota, Y.; Yoshizawa, K.; Kumagai, T.: 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
Liu, S.; Müller, M.; Sun, Y.; Hamada, I.; Hammud, A.; Wolf, M.; Kumagai, T.: Resolving the Correlation between Tip-Enhanced Resonance Raman Scattering and Local Electronic States with 1 nm Resolution. Nano Letters 19 (8), pp. 5725 - 5731 (2019)
Journal Article
Böckmann, H.; Liu, S.; Müller, M.; Hammud, A.; Wolf, M.; Kumagai, T.: Near-Field Manipulation in a Scanning Tunneling Microscope Junction with Plasmonic Fabry-Pérot Tips. Nano Letters 19 (6), pp. 3597 - 3602 (2019)
Journal Article
Böckmann, H.; Müller, M.; Hammud, A.; Willinger, M. G.; Pszona, M.; Waluk, J.; Wolf, M.; Kumagai, T.: Near-Field Spectral Response of Optically Excited Scanning Tunneling Microscope Junctions Probed by Single-Molecule Action Spectroscopy. The Journal of Physical Chemistry Letters 10, pp. 2068 - 2074 (2019)
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Litman, Y.; Richardson, J. O.; Kumagai, T.; Rossi, M.: Elucidating the Nuclear Quantum Dynamics of Intramolecular Double Hydrogen Transfer in Porphycene. Journal of the American Chemical Society 141 (6), pp. 2526 - 2534 (2019)
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Lin, C.; Durant, E.; Persson, M.; Rossi, M.; Kumagai, T.: Real-Space Observation of Quantum Tunneling by a Carbon Atom: Flipping Reaction of Formaldehyde on Cu(110). The Journal of Physical Chemistry Letters 10 (3), pp. 645 - 649 (2019)
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Liu, S.; Wolf, M.; Kumagai, T.: Plasmon-Assisted Resonant Electron Tunneling in a Scanning Tunneling Microscope Junction. Physical Review Letters 121 (22), 226802 (2018)
Journal Article
Kumagai, T.; Ladenthin, J.; Hamada, I.: Direct observation of van der Waals two-dimensional crystal and small clusters of methane on copper surfaces. Physical Review Materials 2 (9), 093403 (2018)
Journal Article
Koch, M.; Li, Z.; Nacci, C.; Kumagai, T.; Franco, I.; Grill, L.: How Structural Defects Affect the Mechanical and Electrical Properties of Single Molecular Wires. Physical Review Letters 121 (4), 047701 (2018)
Journal Article
Liu, S.; Shiotari, A.; Baugh, D.; Wolf, M.; Kumagai, T.: Enhanced resolution imaging of ultrathin ZnO layers on Ag(111) by multiple hydrogen molecules in a scanning tunneling microscope junction. Physical Review B 97 (19), 195417 (2018)
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