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Surface and Interface Science Laboratory
Yousoo KIM
Associate Chief Scientist
Yousoo KIM (D.Eng.)
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Research Areas

Our research focuses on describing details of the energy transport and conversion at the solid surfaces and interfaces in the nanoscale regime. In order to understand their basic mechanism at a single molecule/atom level, we carry out combined study of density functional theory calculation and scanning probe microscopy/spectroscopy on the well-defined solid surfaces under ultra-high vacuum condition. Part of our research is directed toward investigation of single-molecule chemistry by use of vibrational and electronic quantum states on metal or metal oxide thin film surfaces. Another important part of our research focuses on self-assembled organic thin films aiming at understanding their microscopic structure and electronic properties, and their use as template for the development of molecular-based functional materials. In addition, we have recently started working on detection of THz photons from a single molecule and on atomic scale investigation of energy conversion between electrons and photons of the nanometer scale materials.

Research Subject

  1. Single-molecule chemistry on the surfaces of metal single crystals and metal oxide thin films
  2. Investigation of structure and electronic properties of self-assembled organic thin films
  3. Study of energy transport and conversion at the nano-scale surfaces and interfaces

Related links

  1. RIKEN Advanced Science Institute Website_Laboratories PageNew Window
  2. Individual Website Laboratory PageNew Window

Press release

April 19, 2010
How to split a water molecule

RIKEN RESEARCH

August 19, 2011
Seeing the world of nanotechnology from a single-molecule perspective
The observation and manipulation of single molecules by scanning tunneling microscopy is opening new frontiers in nanoscienceNew Window
July 01, 2011
Embracing superficial imperfections
Numerical simulations reveal that deliberately engineering defects into ultrathin oxide films enhances catalytic water-splitting reactions New Window
October 15,2010
Solving single molecule mobility
A versatile formula describes the energetic conditions needed to transport molecules laterally on surfaces New Window
July 02,2010
Carving up water
Single water molecules can now be sliced into different atomic components, thanks to the electronic properties of ultrathin oxide films New Window
November 30, 2007
Chemical reaction singled out
A reversible reaction cycle is demonstrated for a single molecule sitting on a platinum surface New Window

List of Selected Publications

  1. Sylvain Clair, Yousoo Kim, and Maki Kawai.:
    "Step-edge faceting and local metallization of a single-wall semiconducting carbon nanotube "
    J. Appl. Phys. 110 (2011) 073710
  2. Tomonari Okada, Yousoo Kim, Yasuyuki Sainoo, Tadahiro Komeda, Michael Trenary, and Maki Kawai.:
    "Coexistence and interconversion of di-σ and π-bonded ethylene on the Pt(111) and Pd(110) surfaces "
    J. Phys. Chem. Lett. 2 (2011) 2263
  3. Hyo Won Kim, Jaehoon Jung, Mina Han, Seongjoon Lim, Kaoru Tamada, Masahiko Hara, Maki Kawai, Yousoo Kim, and Young Kuk.:
    "One-dimensional molecular zippers"
    J. Am. Chem. Soc. 133 (2011) 9236
  4. Sylvain Clair, Yousoo Kim, and Maki Kawai.:
    "Energy level alignment of single-wall carbon nanotubes on metal surfaces "
    Phys. Rev. B 83 (2011) 245422
  5. Jaehoon Jung, Hyung-Joon Shin, Yousoo Kim, and Maki Kawai.:
    "Activation of ultrathin oxide films for chemical reaction by interface defects "
    J. Am. Chem. Soc. 133 (2011) 6142
  6. Hyo Won Kim, Mina Han, Hyung-Joon Shin, Seongjoon Lim, Youngtek Oh, Kaoru Tamada, Masahiko Hara, Yousoo Kim, Maki Kawai, and Young Kuk.:
    "Control of molecular rotors by selection of anchoring sites "
    Phys. Rev. Lett. 106 (2011) 146101
  7. Sylvain Clair, Yousoo Kim and Maki Kawai.:
    "Coverage-dependent formation of chiral ethylthiolate-Au complexes on Au(111) "
    Langmuir 27 (2011) 627-629
  8. Kenta Motobayashi, Yousoo Kim, Hiromu Ueba, and Maki Kawai.:
    "Insights into action spectroscopy for single molecule motion and reactions through inelastic electron tunneling"
    Phys. Rev. Lett. 105 (2010) 076101
  9. Hyung-Joon Shin, Jaehoon Jung, Kenta Motobayashi, Susumu Yanagisawa, Yoshitada Morikawa, Yousoo Kim, and Maki Kawai.:
    "State-selective dissociation of a single water molecule on an ultrathin MgO film"
    Nature Materials 9 (2010) 442
  10. Tomoko K. Shimizu, Jaehoon Jung, Hiroyuki S. Kato, Yousoo Kim, and Maki Kawai.:
    "Termination and Verwey transition of the magnetite (111) surface studied by scanning tunneling microscopy and first principle calculations"
    Phys. Rev. B 81 (2010) 235429

Members

Principal Investigator

Yousoo KIM
Associate Chief Scientist

Staff Scientist

Tomoko KATO-SHIMIZU
ASI Research Scientist

Postdoctoral Fellow

Emi MINAMITANI
Special Postdoctoral Researcher
Junepyo OH
Special Postdoctoral Researcher
Jaehoon JUNG
Foreign Postdoctoral Researcher
Hiroshi IMADA
Postdoctoral Researcher
Hyunseob LIM
Postdoctoral Researcher

Student Trainee

Seiji TAKEMOTO
Junior Research Associate
Hyun Jin YANG
Junior Research Associate
Liping ZHU
International Program Associate
Juyeon PARK
International Program Associate
Ju-Hyung KIM
International Program Associate