Publications of Takashi Kumagai
All genres
Journal Article (36)
Journal Article
B. Cirera, M. Wolf and T. Kumagai: Joule Heating in Single-Molecule Point Contacts Studied by Tip-Enhanced Raman Spectroscopy. ACS Nano, in press.
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).
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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).
Journal Article
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).
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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).
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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).
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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).
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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).
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C. Lin, , , M. Rossi and T. Kumagai: 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), 645–649 (2019).
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S. Liu, M. Wolf and T. Kumagai: Plasmon-Assisted Resonant Electron Tunneling in a Scanning Tunneling Microscope Junction. Physical Review Letters 121 (22), 226802 (2018).
Journal Article
T. Kumagai, J. Ladenthin and : Direct observation of van der Waals two-dimensional crystal and small clusters of methane on copper surfaces. Physical Review Materials 2 (9), 093403 (2018).
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M. Koch, , C. Nacci, T. Kumagai, and L. Grill: How Structural Defects Affect the Mechanical and Electrical Properties of Single Molecular Wires. Physical Review Letters 121 (4), 047701 (2018).
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S. Liu, , , M. Wolf and T. Kumagai: 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).