Research record (Jeong
Y. Park)
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Oct 2006 – present |
Lawrence Berkeley
National Laboratory, Chemical Sciences Division, University
of California, Berkeley Research on energy dissipation
during catalytic reactions and hot electron detection with metal-semiconductor
Schottky diode Staff Scientist
(supervisor: Prof. Gabor
Somorjai in Dept of Chemistry, University of California Berkeley and
Lawrence Berkeley National Lab) Research programs are focused
on : §
The hot
electron detection with metal-semiconductor nanodiodes during exothermic
processes. §
Investigation of influence of
size, shape, and composition in Pt and Rh nanoparticles and bimetallic
nanoparticles on the catalytic activity Gabor A. Somorjai, and Jeong Y. Park, "Frontier of
Surface Science" Physics
Today (feature article) 60, 48 (2007).
External
recognition on “The Evolution of Model Catalytic
Systems; Studies of Structure, Bonding and Dynamics from Single Crystal Metal
Surfaces to Nanoparticles, and from Low Pressure (< 10-3 Torr)
to High Pressure (> 10-3 Torr) to Liquid Interfaces” by G. A.
Somorjai, R. L. York, D. Butcher and J. Y. Park, Phys.
Chem. Chem. Phys. 9, 3500-3513 (2007). Selected
as the Hot Article in PCCP |
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April 2002 – September 2006 |
Research on nanomechanics, tribology, and molecular
electronics Physicist
Postdoctoral Fellow (supervisors:
Prof. Miquel Salmeron in LBNL and Prof. Patricia Thiel in
Ames Lab, Iowa State University) Research programs are focused on : §
Probing
and controlling of electronic friction
in patterned silicon pn junction devices- electronic origin of energy
dissipation mechanism External recognition on “Electronic control of
friction in silicon pn junctions" [J. Y.
Park et al. Science, 313, 186, (2006).] Highlighted in NewScientist.com news Twin
friction-tricks grease nano-wheels Nature Nanotechnology News & Views Bringing
Friction to a Halt Materialstoday news Semiconductor
friction undergoes electronic control Science Perspective Controlling
friction Science Issue highlight Routes to
Friction Control Nanotechweb.org news and Physicsweb news Towards frictionless
nanomachines Contracosta Times
(08/01/2006) Scientists
battle friction down at the atomic level LBL today (07/26/2006) Scientists
Fight Friction Down to the Last Atom Analytical Chemistry (ACS
publication) News Modulating
Friction in Silicon Surfaces Physicsworld News Reducing
friction at the nano scale Tribology and Lubrication Technology, Tech
Beat (November, 2006) Regulating Nanoscale Friction, Selected as Image of the Month:
July 2007 in RHK-tech
Inc. §
Atomic
scale investigation of mechanical properties in quasicrystals by using
a combined apparatus of atomic force
microscopy / scanning tunneling microscopy in ultrahigh vacuum. External recognition on “High
Friction Anisotropy in Decagonal Quasicrystal Surface” [J. Y. Park
et al. Science 309, 1354 (2005)] Highlighted in Physics News Update of American Institute of Physics, No. 710, Nov. 2004 Novel Quasicrystal
Friction Properties Today at Berkeley Lab, Nov 2004 Novel Quasicrystals
Present Less Friction American Vacuum Society 51st Symposium news release Novel
Quasicrystal Friction Properties (also see lay paper)
Berkeley Lab news (Aug. 25, 2005) Of
Friction and "The Da Vinci Code" Ames Lab news (Aug. 26, 2005) Proving
Da Vinci right at the atomic scale
Today at Berkeley Lab, Aug 26, 2005 Da Vinci
Friction Theory Gets Nanoscale Test This week in Science, Aug 26, 2005 A
Sharp and Slippery Turn Materials Research Society bulletin October
News Research/Researcher High
Frictional Anisotropy Found on Quasicrystal Surface American Chemistry
Society professional article Quasicrystal
Discoveries Tribology
& Lubrication Technology, Cutting edge (in Society of Tribologists and Lubrication
Engineers) Curious Quasicrystals §
First STM observation of
atomic scale coexistence of periodicity and aperiodicity on decagonal
quasicrystal surface Phys.
Rev. B 72 (Rapid Communication), 220201 (2005). Selected as Image of the Month:
October in RHK-tech Inc. Selected as an Image of Year
of Science Bowl in National Science Bowl, US Department of Energy
(January, 2007) §
Investigation
of mechanical and charge transport properties of organic molecule self-assembled monolayers (with I. Ratera, and Yabing Qi). §
Sensing
the dipole fields of the Smoluchowski
effect at the atomic steps by combined Electrostatic Force and Scanning
Tunneling Microscopy [J. Y. Park et al. Phys. Rev. Lett. 95, 136802 (2005).] |
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July 1999 – March 2002 |
Department of Physics and Laboratory for Physical
Sciences University of Maryland College Park Research on nanoelectronics and physics of
nanostructure Postdoctoral Research
Associate (supervisors : Prof. Ellen Williams in Dept. of
Physics, and Prof.
Ray Phaneuf in Laboratory
for Physical Sciences) Research Program focused on: Field-induced fabrication and
characterization of nanodots, STM manipulation and modification of
nanostructure, Electrical
characterization of operating microelectronic device with STM, tunneling
spectroscopy and conductance imaging, Time response of
carrier charge in silicon pn junction, and The study of electromigration of nanodots and
carbon nanotube on silicon pn junction. |
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1995 – June 1999 |
Seoul National
University
Study of nanomagnetism
with low energy electron point
source microscopy and electron beam based lithography
with electron beam microcolumn system Research associate (advisor: Prof. Young Kuk ) Research program includes probing the local magnetic field with LEEPS (low energy
electron point source) microscopy and fabrication of an STM aligned electron beam microcolumn system for
the application of nanolithography. |
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Aug 1993 – Nov 1997 |
Department of Physics, Seoul National University Research Associate & Teaching Associate. |