Department of Physical Chemistry  Nanoscale Surface Chemistry Group  Takashi Kumagai
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Department of
Physical Chemistry
Fritz-Haber Institute
 
 
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 Selected publications
  • Force-induced tautomerization in a single molecule
    J. N. Ladenthin, T. Frederiksen, M. Persson, J. C. Sharp, S. Gawinkowski, J. Waluk, & T. Kumagai
    Nature Chemistry 8, 935 (2016). [DOI: 10.1038/nchem.2552]
    See press release
     
  • Controlling intramolecular hydrogen transfer in a porphycene molecule with single atoms or molecules located nearby
    T. Kumagai, F. Hanke, S. Gawinkowski, J. Sharp, K. Kotsis, J. Waluk, M. Persson, & L. Grill
    Nature Chemistry 6, 41 (2014). [DOI: 10.1038/nchem.1804]
    See press release
     
  • H-atom relay reactions in real space
    T. Kumagai, A. Shiotari, H. Okuyama, S. Hatta, T. Aruga, I. Hamada, T. Frederiksen, H. Ueba
    Nature Materials 11, 167 (2012). [DOI: 10.1038/nmat3176]
     
 Books & Reviews
 
3.
 
Direct Observation and Control of Single-Molecule Tautomerization by Low-Temperature Scanning Tunneling Microscopy

T. Kumagai and L. Grill
chapter 7 in: Tautomerism: Concepts and Applications in Science and Technology, edited by L. Antonov, pp. 147–174. Wiley-VCH (2016).
[DOI: 10.1002/9783527695713.ch7]
 
2. Direct observation and control of hydrogen-bond dynamics using low-temperature scanning tunneling microscopy
T. Kumagai
Progress in Surface Science 90, 239 (2015).
(Invited review article)
[DOI: 10.1016/j.progsurf.2015.04.001]
 
1. Visualization of hydrogen-bond dynamics
- Water-based model systems on a Cu(110) surface
T. Kumagai
Springer Theses 125. Springer Verlag (2012).
[ISBN: 978-4-431-54155-4]
View Bookmetrix
 

 
Journal articles
2017
 
23. Direct Observation of Double Hydrogen Transfer via Quantum Tunneling in a Single Porphycene Molecule on a Ag(110) Surface
M. Koch, M. Pagan, M. Persson, S. Gawinkowski, J. Waluk, and T. Kumagai
J. Am. Chem. Soc., 139, 12681–12687 (2017).  [DOI: 10.1021/jacs.7b06905]
22. Spectroscopic and microscopic investigations of tautomerization in porphycenes: condensed phases, supersonic jets, and single molecule studies
P. Fita, L. Grill, A. Listkowski, H. Piwoński, S. Gawinkowski, M. Pszona, J. Sepioł, E. Mengesha, T. Kumagai and J. Waluk
Phys. Chem. Chem. Phys. 19, 4921–:4937 (2017).  [DOI: 10.1039/C6CP07955E]
 
2016
 
21. Light-Induced Translation of Motorized Molecules on a Surface
A. Saywell, A. Bakker, J. Mielke, T. Kumagai, M. Wolf, V. García-López, P.-T. Chiang, J. M. Tour, & L. Grill
ACS Nano 28, 10945–10952 (2016).  [DOI: 10.1021/acsnano.6b05650]
20. Local electronic structure, work function, and line defect dynamics of ultrathin epitaxial ZnO layers on a Ag(111) surface (Invited, Special Issue “Emerging Leaders”)
T. Kumagai, S. Liu, A. Shiotari, D. Baugh, S. Shaikhutdinov, & M. Wolf
J. Phys.: Condens. Matter 28, 494003 (2016).  [DOI: 10.1088/0953-8984/28/49/494003]
19. Force-induced tautomerization in a single molecule
J. N. Ladenthin, T. Frederiksen, M. Persson, J. C. Sharp, S. Gawinkowski, J. Waluk, & T. Kumagai
Nature Chemistry, 8, 935 (2016).  [DOI: 10.1038/nchem.2552]
18. Direct Observation of Photoinduced Tautomerization in Single Molecules at a Metal Surface
H. Böckmann, S. Liu, J. Mielke, S. Gawinkowski, J. Waluk, L. Grill, M. Wolf, & T. Kumagai
Nano Lett., 16, 1034–1041 (2016).  [DOI: 10.1021/acs.nanolett.5b04092]
 
2015
 
17. Hot Carrier-Induced Tautomerization within a Single Porphycene Molecule on Cu(111)
J. N. Ladenthin, L. Grill, S. Gawinkowski, Sh. Liu, J. Waluk, & T. Kumagai
ACS Nano 9, 7287–7295 (2015).  [DOI: 10.1021/acsnano.5b02147]
 
2014
 
16. Local Characterization of Ultrathin ZnO Layers on Ag(111) by Scanning Tunneling Microscopy and Atomic Force Microscopy
A. Shiotari, B.-H. Liu, S. Jaekel, L. Grill, S. Shaikhutdinov, H.-J. Freund, M. Wolf, & T. Kumagai
J. Phys. Chem. C 118, 27428–27435 (2014).  [DOI: 10.1021/jp509013p]
15. Convergent and divergent two-dimensional coordination networks formed through substrate-activated or quenched alkynyl ligation
J. Čechal, C. Kley, T. Kumagai, F. Schramm, M. Ruben, S. Stepanow, K. Kern
Chem. Commun. 50, 9973–9976 (2014).  [DOI: 10.1039/C4CC03723E]
14. Tip-Enhanced Raman Spectroscopy of Graphene Nanoribbons on Au(111)
A. Shiotari, T. Kumagai, M. Wolf
J. Phys. Chem. C 118, 11806–11812 (2014).  [DOI: 10.1021/jp502965r]
13. Controlling intramolecular hydrogen transfer in a porphycene molecule with single atoms or molecules located nearby
T. Kumagai, F. Hanke, S. Gawinkowski, J. Sharp, K. Kotsis, J. Waluk, M. Persson, & L.Grill
Nature Chemistry 6, 41–46 (2014).  [DOI: 10.1038/nchem.1804]
 
2013
 
12. Thermally and vibrationally induced tautomerization of single porphycene molecules on a Cu(110) surface
T. Kumagai, F. Hanke, S. Gawinkowski, J. Sharp, K. Kotsis, J. Waluk, M. Persson, and L. Grill
Phys. Rev. Lett. 111, 246101 (2013).  [DOI: 10.1103/PhysRevLett.111.246101]
11. Functionalization of Open Two-Dimensional Metal-Organic Templates through the Selective Incorporation of Metal Atoms
J. Čechal, C. Kley, T. Kumagai, F. Schramm, M. Ruben, S. Stepanow, K. Kern
J. Phys. Chem. C 117, 8871-8877 (2013).  [DOI: 10.1021/jp4015977]
 
Before 2013
 
10. Nature of hydrogen bonding in hydroxyl groups on a metal surface
I. Hamada, T. Kumagai, A. Shiotari, H. Okuyama, S. Hatta, T. Aruga
Phys. Rev. B 86, 075432 (2012).
[DOI: 10.1103/PhysRevB.86.075432]
 
9. Modifying current-voltage characteristics of a single molecule junction by isotope substitution: OHOD dimer on Cu(110)
H. Okuyama, A. Shiotari, T. Kumagai, S. Hatta, T. Aruga, M. Paulsson, Y. Ootsuka, H. Ueba
Phys. Rev. B 85, 205424 (2012).
[DOI: 10.1103/PhysRevB.85.205424]
 
8. Highly adaptable two-dimensional metal-organic coordination networks on metal surfaces
C.S. Kley, J. Čechal, T. Kumagai, F. Schramm, M. Ruben, S. Stepanow, and K. Kern
J. Am. Chem. Soc. 134, 6072-6075 (2012).
[DOI: 10.1021/ja211749b]
 
7. Hydrogen relay reactions in real space
T. Kumagai, A. Shiotari, H. Okuyama, S. Hatta, T. Aruga, I. Hamada, T. Frederiksen, H. Ueba
Nature Materials 11, 167 (2012).
[DOI: 10.1038/nmat3176]
 
6. Water clusters on Cu(110): chain versus cyclic structures
T. Kumagai, H. Okuyama, S. Hatta, T. Aruga, I. Hamada
J. Chem. Phys. 134, 024703 (2011).
[DOI: 10.1063/1.3525645]
 
5. Symmetric hydrogen bond in a water-hydroxyl complex on Cu(110)
T. Kumagai, M. Kaizu, H. Okuyama, S. Hatta, T. Aruga, I. Hamada, Y. Morikawa
Phys. Rev. B 81, 045402 (2010).
[DOI: 10.1103/PhysRevB.81.045402]
 
4. Tunneling dynamics of a hydroxyl group adsorbed on Cu(110)
T. Kumagai, M. Kaizu, H. Okuyama, S. Hatta, T. Aruga, I. Hamada, Y. Morikawa
Phys. Rev. B 79, 035423 (2009).
[DOI: 10.1103/PhysRevB.79.035423]
 
3. Water Monomer and Dimer on Cu(110) Studied Using a Scanning Tunneling Microscope
T. Kumagai, M. Kaizu, H. Okuyama, S. Hatta, T. Aruga, I. Hamada, Y. Morikawa
e-Journal of Surface Science and Nanotechnology 6, 296-300 (2008).
[DOI: 10.1380/ejssnt.2008.296]
 
2. Direct Observation of Hydrogen-Bond Exchange within a Single Water Dimer
T. Kumagai, M. Kaizu, S. Hatta, H. Okuyama, T, Aruga. I. Hamada, Y. Morikawa
Phys. Rev. Lett. 100, 166101 (2008).
[DOI: 10.1103/PhysRevLett.100.166101]
 
1. Adsorbed state and scanning tunneling microscopy induced migration of acetylene on Cu(110)
T. Kumagai, S. Hatta, H. Okuyama, T. Aruga
J. Chem. Phys. 126, 234708 (2007).
[DOI: 10.1063/1.2741512]