Publications of Takashi Kumagai

Böckmann, H., S. Gawinkowski, J. Waluk, M.B. Raschke, M. Wolf and T. Kumagai: Near-Field Enhanced Photochemistry of Single Molecules in a Scanning Tunneling Microscope Junction. Nano Letters 18 (1), 152–157 (2018).

Koch, M., Z. Li, C. Nacci, T. Kumagai, I. Franco and L. Grill: How Structural Defects Affect the Mechanical and Electrical Properties of Single Molecular Wires. Physical Review Letters 121 (4), 047701 (2018).

Kumagai, T., J. Ladenthin and I. Hamada: Direct observation of van der Waals two-dimensional crystal and small clusters of methane on copper surfaces. Physical Review Materials 2 (9), 093403 (2018).

Kumagai, T., J. Ladenthin, Y. Litman, M. Rossi, L. Grill, S. Gawinkowski, J. Waluk and M. Persson: Quantum tunneling in real space: Tautomerization of single porphycene molecules on the (111) surface of Cu, Ag, and Au. The Journal of Chemical Physics 148 (10), 102330 (2018).

Liu, S., D.A. Baugh, K. Motobayashi, X. Zhao, S.V. Levchenko, S. Gawinkowski, J. Waluk, L. Grill, M. Persson and T. Kumagai: Anharmonicity in a Double Hydrogen Transfer Reaction Studied in a Single Porphycene Molecule on a Cu(110) Surface. Physical Chemistry Chemical Physics 20 (17), 12112–12119 (2018).

Liu, S., A. Shiotari, D. Baugh, 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).

Liu, S., M. Wolf and T. Kumagai: Plasmon-Assisted Resonant Electron Tunneling in a Scanning Tunneling Microscope Junction. Physical Review Letters 121 (22), 226802 (2018).

Fita, P., L. Grill, A. Listkowski, H. Piwoński, S. Gawinkowski, M. Pszona, J. Sepioł, E. Mengesha, T. Kumagai and J. Waluk: Spectroscopic and microscopic investigations of tautomerization in porphycenes: condensed phases, supersonic jets, and single molecule studies. Physical Chemistry Chemical Physics 19 (7), 4921–4937 (2017).

Koch, M., M. Pagan, M. Persson, S. Gawinkowski, J. Waluk and T. Kumagai: Direct observation of double hydrogen transfer via quantum tunneling in a single porphycene molecule on a Ag(110) surface. Journal of the American Chemical Society 139 (36), 12681–12687 (2017).

Böckmann, H., S. Liu, J. Mielke, S. Gawinkowski, J. Waluk, L. Grill, M. Wolf and T. Kumagai: Direct Observation of Photoinduced Tautomerization in Single Molecules at a Metal Surface. Nano Letters 16 (2), 1034–1041 (2016).

Kumagai, T., S. Liu, A. Shiotari, D.A. Baugh, S.K. Shaikhutdinov and M. Wolf: Local electronic structure, work function, and line defect dynamics of ultrathin epitaxial ZnO layers on a Ag(1 1 1) surface. Journal of Physics: Condensed Matter 28 (49), 494003 (2016).

Ladenthin, J., T. Frederiksen, M. Persson, J.C. Sharp, S. Gawinkowski, J. Waluk and T. Kumagai: Force-induced tautomerization in a single molecule. Nature Chemistry 8 (10), 935–940 (2016).

Saywell, A., A. Bakker, J. Mielke, T. Kumagai, M. Wolf, V. García-López, P.-T. Chiang, J.M. Tour and L. Grill: Light-Induced Translation of Motorized Molecules on a Surface. ACS Nano 10 (12), 10945–10952 (2016).

Kumagai, T.: Direct observation and control of hydrogen-bond dynamics using low-temperature scanning tunneling microscopy. Progress in Surface Science 90 (3), 239–291 (2015).

Ladenthin, J., L. Grill, S. Gawinkowski, S. Liu, J. Waluk and T. Kumagai: Hot Carrier-Induced Tautomerization within a Single Porphycene Molecule on Cu(111). ACS Nano 9 (7), 7287–7295 (2015).

Čechal, J., C.S. Kley, T. Kumagai, F. Schramm, M. Ruben, S. Stepanow and K. Kern: Convergent and divergent two-dimensional coordination networks formed through substrate-activated or quenched alkynyl ligation. Chemical Communications 50 (69), 9973–9976 (2014).

Kumagai, T., F. Hanke, S. Gawinkowski, J. Sharp, K. Kotsis, J. Waluk, M. Persson and L. Grill: Controlling intramolecular hydrogen transfer in a porphycene molecule with single atoms or molecules located nearby. Nature Chemistry 6 (1), 41–46 (2014).

Shiotari, A., T. Kumagai and M. Wolf: Tip-Enhanced Raman Spectroscopy of Graphene Nanoribbons on Au(111). The Journal of Physical Chemistry C 118 (22), 11806–11812 (2014).

Shiotari, A., B.H. Liu, S. Jaekel, L. Grill, S.K. Shaikhutdinov, H.-J. Freund, M. Wolf and T. Kumagai: Local Characterization of Ultrathin ZnO Layers on Ag(111) by Scanning Tunneling Microscopy and Atomic Force Microscopy. The Journal of Physical Chemistry C 118 (47), 27428–27435 (2014).

Kumagai, T., F. Hanke, S. Gawinkowski, J. Sharp, K. Kotsis, J. Waluk, M. Persson and L. Grill: Thermally and Vibrationally Induced Tautomerization of Single Porphycene Molecules on a Cu(110) Surface. Physical Review Letters 111 (24), 246101 (2013).