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Faculty Profile Last Modified Time: 02:10:47 PM Mon, 14 Sep 2009   Contact Information Dr. Seong Jin Koh Associated Profiles  Associate Professor-Material Science & Engineering     500 West 1st ST, Arlington, TX 76019     Mail Box: 19031, WH, Room No.: 325    skoh@uta.edu     817-272-1223     817-272-2538    Faculty Home Page    Single electron devices, Nanotechnology, Biological/Chemical sensors, Surface science    Associated Profiles Professional Preparation Research and Expertise Publications Presentations and Projects Appointments Support News Additional Information  Professional Preparation  Degree Major Institution Year  Ph. D. Materials Science and Engineering University of Illinois at Urbana-Champaign 1998  M.S. Metallurgical Engineering Seoul National University 1989  B.S. Metallurgical Engineering Seoul National University 1987  Research and Expertise Areas of Research   Single electron devices, Nanotechnology, Biological/Chemical sensors, Surface science Research Synopsis   Current research focus is the fabrication of nanoscale electronic/optical/magnetic devices and sensors on a scale of sub-nanometers to hundreds of nanometers. This includes development of wafer-scale methods to place individual nanoscale building blocks (such as nanoparticles, nanowires, carbon nanotubes, DNA, proteins, etc) on exact substrate locations study and fabrication of single electron devices on a wafer scale within the framework of CMOS fabrication technology development of ultra-sensitive biological/chemical sensors that can detect single molecules (DNA, proteins, etc) on portable chips.  Publications   Category  All  Type All Publications per page    1  2 3    Year Publication   Type 2008 H.-W. Huang, P. Bhadrachalam, V. Ray, and S.J. Koh, “Single-particle placement via self-limiting electrostatic gating”, Applied Physics Letters, Vol. 93, p.073110, 2008 (Highlighted by MRS in Materials360; August 2008)   2008 V. Ray, R. Subramanian, P. Bhadrachalam, L.-C. Ma, C.-U. Kim, and S.J. Koh, "CMOS-compatible fabrication of room-temperature single-electron devices", Nature Nanotechnology, Vol. 3, p.603-608, 2008 (Highlighted by MRS in MRS home page, MRS Materials News, MRS Materials360; Highlighted on NSF News; Highlighted by Nanowerk, TRN, AZ nanotechnology, Betterhumans, World Gold Council, SILObreaker, EDN, High Technology Exchange)   2007 L.-C. Ma, R. Subramanian, H.-W. Huang, V. Ray, C.-U. Kim, and S.J. Koh, “Electrostatic Funneling for Precise Nanoparticle Placement: A Route to Wafer-Scale Integration ”, Nano Letters, Vol. 7, p.439-445, 2007 (Highlighted by MRS in eMatters; January 2007)   2007 (Invited) S.J. Koh, “Controlled Placement of Nanoscale Building Blocks: Toward Large-Scale Fabrication of Nanoscale Devices”, JOM, Vol. 59, p.22-28, 2007   2007 (Invited) S.J. Koh, “Strategies for Controlled Placement of Nanoscale Building Blocks”, Nanoscale Research Letters, Vol. 2, p.519-545, 2007    Presentations and Projects Patents     1.S.J. Koh, C.-U. Kim, L.-C. Ma, R. Subramanian, "Positioning of Nanoparticles and Fabrication of Single Electron Devices", U.S.PATENT 7,465,953 (12/16/2008) 2.S. Merchant, I. Oladeji, S.J. Koh, "Semiconductor Device Barrier Layer", U.S. PATENT 6,686,662 (02/03/2004) 3.S.J. Koh and G.W. Gibson, "High-Density Field Emission Elements and a Method for Forming Said Emission Elements", U.S. Patent  pending, #20060181188A1, Filed on 02/14/2005 4.S.J. Koh and G.W. Gibson, "High-Density Field Emission Elements and a Method for Forming Said Emission Elements", International Patent (Korea), Pending, Filed on 2/10/2006 5.S.J. Koh and G.W. Gibson, "High-Density Field Emission Elements and a Method for Forming Said Emission Elements", International Patent (Japan), Pending, Filed on 2/14/2006 Presentations     1.        P. Bhadrachalam, H.-W. Huang, V. Ray, S.J. Koh, “Placement of individual colloidal nanoparticles with nanoscale precision”, ACS 238th National Meeting, Washington D.C., August 2009 2.        P. Bhadrachalam, H.-W. Huang, V. Ray, R. Subramanian, L.-C. Ma, S.J. Koh, “Precise Placement of Nanoscale Building Blocks on a Large Scale”, World Best Technologies Showcase, Arlington, Texas, March 2009 3.        V. Ray, R. Subramanian, P. Bhadrachalam, L.-C. Ma, S.J. Koh, “Large-scale fabrication of single-electron devices”, World Best Technologies Showcase, Arlington, Texas, March 2009 4.        P. Bhadrachalam, H.-W. Huang, V. Ray, S.J. Koh, “Single-Particle Placement on a Large Scale”, APS March Meeting, Pittsburgh, Pennsylvania, March 2009 5.        V. Ray, R. Subramanian, P. Bhadrachalam, S.J. Koh, “Room-Temperature Single-Electron Transistors fabricated using CMOS-compatible processes”, APS March Meeting, Pittsburgh, Pennsylvania, March 2009 6.        R. Subramanian, P. Bhadrachalam, V. Ray, S.J. Koh, “Single-Electron Spectroscopy of Quantum Dots using Vertically Self-aligned Electrode Structure”, APS March Meeting, Pittsburgh, Pennsylvania, March 2009 7.        V. Ray, R. Subramanian, P. Bhadrachalam, S.J. Koh, “Large-Scale Fabrication of CMOS Based Single-Electron Transistors”, TMS Annual Meeting, San Francisco, California, February 2009 8.        P. Bhadrachalam, H.-W. Huang, V. Ray, S.J. Koh, “Precise Placement of Single Nanoparticles on a Large Scale”, TMS Annual Meeting, San Francisco, California, February 2009 9.        (Invited) S.J. Koh, “Large-scale fabrication of single electron devices utilizing colloidal nanoparticles”, Particles 2008, Orlando, Florida, May  2008 10.     V. Ray, R. Subramanian, P. Bhadrachalam, S.J. Koh, “CMOS based fabrication of single electron devices on a large scale”, 2008 APS March Meeting, New Orleans, Louisiana, March 2008 11.     H.-W. Huang, V. Ray, S.J. Koh, “Large-Scale Placement of Single Nanoparticles with Nanoscale Precision”, TMS Annual Meeting, New Orleans, Louisiana, March 2008 (1st place for the Best Student Paper Award in Nanomaterials, TMS2008) 12.     V. Ray, R. Subramanian, P. Bhadrachalam, S.J. Koh, “Large-Scale Fabrication of Single Electron Devices”, TMS Annual Meeting, New Orleans, Louisiana, March 2008 (1st place for the Best Student Paper Award in Nanomaterials, TMS2008) 13.     S.C. Samudrala, M. Vasilyev, N. Stelmakh, H.-W. Huang, S.J. Koh, “Resonant scattering of light by sub-wavelength Au nanoparticles”, JSPS-UNT Winterschool on Nanophotonics, University of North Texas, Denton, Texas, February 2008 14.     S.J. Koh, “Controlled Placement of Nanoparticles for Integrated Systems of Nanoscale Devices and Sensors”, PRICM-6, Jeju, Korea, November 2007 15.     (Invited) S.J. Koh, “Large-Scale and Precise Nanoparticle Placement via Electrostatic Funneling”, Particles 2007, Toronto, Ontario, Canada, August  2007 16.     V. Ray, H.-W. Huang, R. Subramanian, L.-C. Ma, C.-U. Kim, S.J. Koh, “Precise Nanoparticle Placement via Electrostatic Funneling”, Materials Research Society Spring Meeting, San Francisco, California, April 2007 17.     (Invited) S.J. Koh, “Electrostatic Funneling Scheme for Wafer-Scale Fabrication of Nanoscale Devices”, TMS Annual Meeting, Orlando, Florida, February 2007 18.     S.J. Koh, “From Adatom Interactions to the Manipulation of Atom Clusters”, Gert Ehrlich Symposium on Surface Science, Urbana, Illinois, May 2006 19.     L.-C. Ma, R. Subramanian, H.-W. Huang, V. Ray, N. Basit, C.-U. Kim, S.J. Koh, “Wafer-Level Positioning of Nanoparticles using CMOS Technology and Wet Chemistry”, Materials Research Society Spring Meeting, San Francisco, California, April 2006 20.     (Colloquium) S.J. Koh, “Adatom Interactions and Formation of Atom Wires”, Colloquium for the Department of Materials Sci. &. Eng., Rensselaer Polytechnic Institute, Troy, New York, April 2006 21.     (Invited) S.J. Koh, “Single Atom Diffusion: An Atomic View”, TMS Annual Meeting, San Antonio, Texas, March 2006 22.     (Invited) S.J. Koh, “Controlled Positioning of Nanoparticles in a Wafer-Level”, TMS Annual Meeting, San Antonio, Texas, March 2006  23.     L.-C. Ma, R. Subramanian, H.-W. Huang, V. Ray, C.-U. Kim, S.J. Koh, “Fabrication of One-Dimensional Assemblies of Nanoparticles in a Wafer Scale”, JSPS-UNT Joint Symposium On Nanoscale Materials For Optoelectronics and Biotechnology, University of North Texas, Denton, Texas, February 2006 24.     (Invited) S.J. Koh, “Control of One-Dimensional Structures for Nano-Device Applications: An Atomic View”, Virginia Tech (Dept. of Physics), April 2003 25.     (Invited) S.J. Koh, “Control of One-Dimensional Structures for Nano-Device Applications: An Atomic View”, University of Texas at Arlington, April 2003 26.     (Invited) S.J. Koh, “Control of One-Dimensional Structures for Nano-Device Applications: An Atomic View”, Virginia Tech (Dept. of Electrical Engineering), March 2003 27.     (Invited) S.J. Koh, “Low-k/Cu process development and Optical Proximity Correction (OPC) for Gate CD Control”, IBM T.J. Watson Research Center, March 2003 28.     (Invited) S.J. Koh, “Control of One-Dimensional Structures for Nano-Device Applications: An Atomic View”, University of Toronto, Canada, March 2003 29.     (Invited) S.J. Koh, “Control of One-Dimensional Structures for Nano-Device Applications: An Atomic View”, McGill University, Canada, February 2003 30.     (Invited) S.J. Koh, “A Study for the formation of Nanostructures: an Atomic View”, University of Central Florida, May 2002 31.     (Invited) S.J. Koh, “A Study for the formation of Nanostructures: an Atomic View”, Johns Hopkins University, May 2002 32.     S.-M. Oh, S.J. Koh, G. Ehrlich, and K. Kyuno, “Long Jump in Surface Self-Diffusion: W on W(110)”, American Physical Society March Meeting, 2002 33.     (Invited) S.J. Koh, “Stability, Formation, and Ripening of Surface Clusters: An Atomic View”, Bell Labs, Lucent Technologies, July 2000 34.     S.J. Koh and G. Ehrlich, “Film Ripening by Random Exchange of Adatoms”, Materials Research Society Spring Meeting, 2000 35.     S.J. Koh and G. Ehrlich, “Nucleation of 1-D Deposits and Long-Range Interactions”, American Physical Society Centennial Meeting, 1999 36.     S.J. Koh and G. Ehrlich, “Atomic Interactions and the Stability of Surface Clusters”, Materials Research Society Spring Meeting, San Francisco, CA, 1998  Appointments Duration Rank Department / School College / Office University / Company 2009-Present Associate Professor Materials Science & Engineering College of Engineering University of Texas at Arlington 2003-2009 Assistant Professor Materials Science & Engineering College of Engineering University of Texas at Arlington 2000-2003 Member of Technical Staff Bell Labs   Lucent Technologies/Agere Systems 1998-2000 Postdoctoral Research Associate Materials Research Laboratory   University of Illinois at Urbana-Champaign 1991-1998 Graduate Research Assistant Materials Science & Engineering   University of Illinois at Urbana-Champaign  Support  Duration Title Sponsor Amount Status 2009-2012 Nanoparticle-Bridge DNA Sensor for Electrical Detection of Ultra-Low Concentrations of DNA Molecules National Science Foundation $319,581 Current 2006-2009 Large-Scale Fabrication of Single Electron DNA Sensors Texas Higher Education Coordinating Board $100,000 Previous 2005-2010 CAREER: Controlled Positioning of Nanoparticles and the Parallel Fabrication of Single Electron Devices National Science Foundation $400,000 Current 2005-2008 Fabrication of Single Electron Devices within the Framework of CMOS Technology Office of Naval Research $320,305 Previous 2004-2005 Controlled Placement of Carbon Nanotubes for the Fabrication of an Integrated Circuit of Carbon Nanotube Field Effect Transistors University of Texas at Arlington $10,000 Previous  News Articles Press Release Read More... Materials Researchers Create Breakthroughs in Single-electron Device Fabrication National Science Foundation (NSF) News Read More... Materials Researchers Create Breakthroughs in Single-electron Device Fabrication Nanowerk Spotlight Read More... New architecture for single-electron devices allows CMOS-compatible large-scale fabrication MRS Materials News Read More... New architecture for single-electron devices allows CMOS-compatible large-scale fabrication Press Release Read More... Two Materials Science Submissions Tie for "Best Paper" Award Highlight from Nanotechweb Read More... Single-electron devices made simple  Additional Information HONORS and ACTIVITIES National Science Foundation CAREER Award (2005) Outstanding Young Faculty Award (2009), College of Engineering, The University of Texas at Arlington Research Excellence Award (2009): from the Provost, The University of Texas at Arlington Research Excellence Award in the College of Engineering (2007), The University of Texas at Arlington Research Excellence Award (2006): from the Provost, The University of Texas at Arlington Racheff Award for Outstanding Graduate Research (1997): from University of Illinois at Urbana-Champaign University of Illinois Fellowship (1991) Referee for Nano Letters, ACS Nano, Applied Physics Letters, IEEE Transactions on Nanotechnology, Advanced Materials, Advanced Functional Materials, Langmuir, Journal of Phase Equilibria and Diffusion, MRS Proceedings Selected for MARQUIS Who’sWho in America, 2009 Edition Review panelist for National Science Foundation Advisory Editor for April 2010 issue of JOM Session organizer for PRICM-6 (The Sixth Pacific Rim International Conference on Advanced Materials and Processing), Jeju, Korea, November 2007 Session chairs for TMS 2007 International Conference, Orlando, Florida, February 2007 Session co-organizer and session chairs for TMS 2008 International Conference, New Orleans, Louisiana, March 2008 Serving as a committee member for TMS Nanomaterials Committee (2006-present) Session co-organizer for TMS 2009 International Conference, San Francisco, California, February 2009 Affiliations: MRS, APS, ACS, AVS, TMS