CHANG-YONG NAM

Education/Career

Gertrude and Maurice Goldhaber Distinguished Fellow, Brookhaven National Laboratory, Center for Functional Nanomaterials (2007-present)
Commissioned Researcher, Korea Inst. Sci. & Tech. (KIST) (2001-02)
Visiting Research Assistant, Division of Engineering, Brown University (2001 Spring)
Military service, Republic of Korea Army, 21st Infantry Division (1995-97)

Research Interest

Rational development of high-efficiency organic-inorganic hybrid photovoltaic device utilizing nanostructures
Nanopattern generation by self-assembled diblock copolymer template
Understanding physical properties (e.g. electrical, thermal, thermoelectric & mechanical) in materials with reduced dimension
Synthesis of semiconducting nanowires and carbon nanotubes, and their applications in novel electrical/optoelectronic devices

Publications

C.Y. Nam, J.E. Fischer, “GaN Nanowire-Si Heterojunction Device Fabrication by Selective Reactive Ion Etching”, in preparation
C.Y. Nam, J.Y. Kim, J.E. Fischer, “Vapor-Liquid-Solid Growth Mechanism and Self-branching in GaN Nanowires”, in preparation

C. Guthy, C.Y. Nam, J.E. Fischer, “Unusually Low Thermal Conductivity of Gallium Nitride Nanowires”, submitted

C.Y. Nam, D. Tham, P. Jaroenapibala, J. Kim, D.E. Luzzi, S. Evoy, J.E. Fischer , “Gallium nitride nanowires: Polar surface controlled growth, ohmic contact patterning by focused ion beam induced direct Pt deposition and disorder effects; variable range hopping, and resonant electromechanical properties”, SPIE Optics East Proceeding 6370, 63701F (2006)

C.Y. Nam*, P. Jaroenapibal*, D. Tham, D.E. Luzzi, S. Evoy, J.E. Fischer, “Diameter-dependent Electromechanical Properties of GaN Nanowire”, Nano Letters 6, 153 (2006) (Listed 39^th among the most accessed articles in Nano Letters for 2006 Jan-Mar period)

D. Tham, C.Y. Nam, K. Byon, J. Kim, J.E. Fischer, “Nanowire characterization with electron microscopy”, Applied Physics A 85, 227 (2006)

D. Tham, C.Y. Nam, J.E. Fischer, “Defects in GaN Nanowires”, Advanced Functional Materials 16, 1197 (2006)

D. Tham, C.Y. Nam, J.E. Fischer, “Microstructure and Composition of Focused Ion Beam-Deposited Pt Contacts to GaN Nanowires”,
Advanced Materials 18, 290 (2006)

C.Y. Nam, D. Tham, J.E. Fischer, “Disorder Effects in Focused Ion Beam Deposited Pt Contacts to GaN Nanowires”, Nano Letters 5, 2029 (2005)
C.Y. Nam, J.Y. Kim, J.E. Fischer, “Focused Ion Beam Platinum Nanopatterning for GaN Nanowires: Ohmic Contacts and Patterned Growth”, Applied Physics Letters 86, 193112 (2005)
C.Y. Nam, D. Tham, J.E. Fischer, “Effect of the polar surface on GaN nanostructure morphology and growth orientation”, Materials Research Society Symposium Proceeding 831, E12.8.1 (2005)
C.Y. Nam, D. Tham, J.E. Fischer, “Effect of the polar surface on GaN nanostructure morphology and growth orientation”, Applied Physics Letters 85, 5676, (2004)
C.Y. Nam, J.H. Han, Y.H. Chung, M.C. Shin, “Effect of precipitates on microstructural evolution of 7050 Al alloy sheet during equal channel angular rolling (ECAR)”, Materials Science and Engineering A 347, 253 (2003)
C.Y. Nam, M.H. Oh, K.S. Kumar and D.M. Wee, “Effect of nitrogen on the mean lamellar thickness of fully lamellar TiAl alloys”, Scripta Materialia 46, 441 (2002)
C.Y. Nam, D.M. Wee, P. Wang and K.S. Kumar, “Microstructure and toughness of nitrogen-doped TiAl alloys”, Intermetallics 10, 113 (2002)

Other Interest

Helping my wife’s photography works (she is a painter and photographer, Alumni of Penn Design )
Sports: Basketball, golf (click here for some information about golf swing etc.), and sometimes tennis
Following economy/technology industry leads
Meaning of life…: Here is one of articles giving me some thoughts, pale blue dot.
Cooking
Blog