Photo of Sukwon Choi

Sukwon Choi

Assistant Professor

Affiliation(s):

  • Mechanical and Nuclear Engineering
  • Mechanical Engineering

306 Reber Building

sfc5185@psu.edu

814-863-4355

Personal or Departmental Website

Research Areas:

Energy Systems, Thermal/Fluid Sciences

Interest Areas:

Micro/nanoscale thermal characterization; Multi-physics analysis of microelectronics and MEMS; Wide bandgap/ultra-wide bandgap semiconductor devices; Thermal management of microelectronics; Semiconductor device reliability

 
 

 

Education

  • BS, Mechanical Engineering, Hanyang University, 2005
  • MS, Automotive Engineering, Hanyang University, 2007
  • Ph D, Mechanical Engineering, Georgia Institute of Technology, 2013

Publications

Book, Chapters

  • Sukwon Choi, Samuel Graham, Eric Heller and Donald Dorsey, 2013, The Analysis of Wide Band Gap Semiconductors Using Raman Spectroscopy, Springer New York, New York, NY, pp. 545–582

Journal Articles

  • J. Dallas, G. Pavlidis, B. Chatterjee, J. S. Lundh, M. Ji, J. Kim, Teh-Hui Kao, T. Detchprohm, R. D. Dupuis, S. Shen, S. Graham and Sukwon Choi, 2018, "Thermal characterization of gallium nitride p-i-n diodes", Applied Physics Letters, 112, (7), pp. 073503
  • Tae Kyoung Kim, Moon Uk Cho, Jae Min Lee, Yu-Jung Cha, Seung Kyu Oh, Bikramjit Chatterjee, Jae-Hyun Ryou, Sukwon Choi and Joon Seop Kwak, 2018, "Improved Light Output Power of 16?×?16 Pixelated Micro-LEDs for Headlights by Enhancing the Reflectivity and Coverage of the p-Electrode", physica status solidi (a), pp. 1700571--n/a
  • B. D. Tierney, Sukwon Choi, Shumona Dasgupta, J. R. Dickerson, S. Reza, R. J. Kaplar, A. G. Baca and M. J. Marinella, 2017, "Evaluation of a "Field Cage" for Electric Field Control in GaN-Based HEMTs That Extends the Scalability of Breakdown Into the kV Regime", IEEE Transactions on Electron Devices, 64, (9), pp. 3740-3747
  • Seung Kyu Oh, Moon Uk Cho, James Dallas, Taehoon Jang, Dong Gyu Lee, Sara Pouladi, Jie Chen, Weijie Wang, Shahab Shervin, Hyunsoo Kim, Seungha Shin, Sukwon Choi, Joon Seop Kwak and Jae-Hyun Ryou, 2017, "High-power flexible AlGaN/GaN heterostructure field-effect transistors with suppression of negative differential conductance", Applied Physics Letters, 111, (13), pp. 133502
  • Sukwon Choi, G. M. Peake, G. A. Keeler, K. M. Geib, R. D. Briggs, T. E. Beechem, R. A. Shaffer, J. Clevenger, G. A. Patrizi, J. F. Klem, A. Tauke-Pedretti and C. D. Nordquist, 2016, "Thermal Design and Characterization of Heterogeneously Integrated InGaP/GaAs HBTs", IEEE Transactions on Components, Packaging and Manufacturing Technology, 6, (5), pp. 740-748
  • Sukwon Choi and Benjamin A Griffin, 2016, "Local residual stress monitoring of aluminum nitride MEMS using UV micro-Raman spectroscopy", Journal of Micromechanics and Microengineering, 26, (2), pp. 025009
  • Christopher D Nordquist, Darren W Branch, Tammy Pluym, Sukwon Choi, Janet H Nguyen, Alejandro Grine, Christopher W Dyck, Sean M Scott, Molly N Sing, Roy H Olsson and III, 2016, "MEMS switching of contour-mode aluminum nitride resonators for switchable and reconfigurable radio frequency filters", Journal of Micromechanics and Microengineering, 26, (10), pp. 104001
  • Sukwon Choi, E. R. Heller, D. Dorsey, R. Vetury and S. Graham, 2013, "Thermometry of AlGaN/GaN HEMTs Using Multispectral Raman Features", IEEE Transactions on Electron Devices, 60, (6), pp. 1898-1904
  • Sukwon Choi, Eric Heller, Donald Dorsey, Ramakrishna Vetury and Samuel Graham, 2013, "The impact of mechanical stress on the degradation of AlGaN/GaN high electron mobility transistors", Journal of Applied Physics, 114, (16), pp. 164501
  • Sukwon Choi, Eric Heller, Donald Dorsey, Ramakrishna Vetury and Samuel Graham, 2013, "Analysis of the residual stress distribution in AlGaN/GaN high electron mobility transistors", Journal of Applied Physics, 113, (9), pp. 093510
  • Sukwon Choi, E. R. Heller, D. Dorsey, R. Vetury and S. Graham, 2013, "The Impact of Bias Conditions on Self-Heating in AlGaN/GaN HEMTs", IEEE Transactions on Electron Devices, 60, (1), pp. 159-162
  • Eric Heller, Sukwon Choi, Donald Dorsey, Ramakrishna Vetury and Samuel Graham, 2013, "Electrical and structural dependence of operating temperature of AlGaN/GaN HEMTs", Microelectronics Reliability, 53, (6), pp. 872 - 877
  • B. Pant, Sukwon Choi, E. K. Baumert, B. L. Allen, S. Graham, K. Gall and O. N. Pierron, 2012, "MEMS-Based Nanomechanics: Influence of MEMS Design on Test Temperature", Experimental Mechanics, 52, (6), pp. 607–617
  • Byoungnam Park, Sukwon Choi, Samuel Graham and Elsa Reichmanis, 2012, "Memory and Photovoltaic Elements in Organic Field Effect Transistors with Donor/Acceptor Planar-Hetero Junction Interfaces", The Journal of Physical Chemistry C, 116, (17), pp. 9390-9397
  • Sukwon Choi, K. Chu, J. Ryu and M. Sunwoo, 2009, "Empirical modeling of a polymer electrolyte fuel cell based on water transport investigation and current interrupt measurement", International Journal of Automotive Technology, 10, (6), pp. 719

Conference Proceedings

  • Bikramjit Chatterjee, Jacob Leach, Sarit Dhar and Sukwon Choi, 2018, "Temperature and Stress Metrology of Ultra-Wide Bandgap ß-Ga2O3 Thin Films", 2018 17th IEEE Intersociety Conference on Thermal and Thermomechanical Phenomena in Electronic Systems (ITherm)
  • J. Dallas, G. Pavlidis, B. Chatterjee, J. S. Lundh, M. Ji, J. Kim, T. Kao, T. Detchprohm, R. D. Dupuis, S. Shen, S. Graham and Sukwon Choi, 2017, "Thermal characterization of GaN vertical p-i-n diodes", 2017 16th IEEE Intersociety Conference on Thermal and Thermomechanical Phenomena in Electronic Systems (ITherm), pp. 328-333
  • J. S. Lundh, B. Chatterjee, J. Dallas, H. Kim and Sukwon Choi, 2017, "Integrated temperature mapping of lateral gallium nitride electronics", 2017 16th IEEE Intersociety Conference on Thermal and Thermomechanical Phenomena in Electronic Systems (ITherm), pp. 320-327
  • B. Chatterjee, J. S. Lundh, J. Dallas, H. Kim and Sukwon Choi, 2017, "Electro-thermal reliability study of GaN high electron mobility transistors", 2017 16th IEEE Intersociety Conference on Thermal and Thermomechanical Phenomena in Electronic Systems (ITherm), pp. 1247-1252
  • Georges Pavlidis, James Dallas, Sukwon Choi, Shyh-Chiang Shen and Samuel Graham, 2017, "Steady State and Transient Thermal Characterization of Vertical GaN PIN Diodes", ASME 2017 International Technical Conference and Exhibition on Packaging and Integration of Electronic and Photonic Microsystems, (58097), pp. V001T05A011

Research Projects

  • April 2017 - April 2020, "(YIP) Thermal Mechanical Investigation of Ultra-Wide Bandgap Materials and Devices," (Sponsor: Air Force Office of Scientific Research).
  •   -  , "Air Force's Young Investigator Research Program (YIP)," (Sponsor: Air Force Office of Scientific Research).
  •   -  , "Electro-Thermo-Mechanical Investigation of Reliability in PiezoMEMS," (Sponsor: Center for Dielectrics and Piezoelectrics).

Honors and Awards

  • CY 2014 NNSA Defense Programs Awards of Excellence, National Nuclear Security Administration (NNSA), November 2015
  • 2014 M. Hetényi Award, Society for Experimental Mechanics (SEM), June 2013
  • Air Force’s Young Investigator Award, Air Force Office of Scientific Research (AFOSR), October 2016

Service

Service to Penn State:

  • Committee Work, Committee Member, Faculty Candidate Search Committee, Emerging Areas Search Committee Group, August 2016 - February 2017
  • Other, Advisor, December 2016
  • Other, Advisor, October 2016
  • Other, Advisor, January 2016 - March 2016
  • Committee Work, Committee Member, Thermodynamics candidacy exam committee member, August 2015
  • Administrative Support Work, Committee Member, Undergraduate Advising Task Force Committee member, August 2015 - December 2015

Service to External Organizations:

  • Organizing Conferences and Service on Conference Committees, Other, Session Chair, IEEE Intersociety Thermal and Thermomechanical Conference, May 2018 - June 2018
  • Organizing Conferences and Service on Conference Committees, Topic Co-Chair, ASME International Technical Conference and Exhibition on Packaging and Integration of Electronic and Photonic Microsystems, August 2018 - August 2018
  • Organizing Conferences and Service on Conference Committees, Advisor, MRS Symposium, November 2018 - November 2018
  • Service to Governmental Agencies, External Reviewer, 2018 NDSEG Scholarship Evaluation Panel, The American Society for Engineering Education, February 2018 - February 2018
  • Service to Governmental Agencies, External Reviewer, 2017 NDSEG Scholarship Evaluation Panel, The American Society for Engineering Education, January 2017 - February 2017
  • Organizing Conferences and Service on Conference Committees, Other, Session Chair, IEEE Intersociety Thermal and Thermomechanical Conference, May 2017 - June 2017
  • Organizing Conferences and Service on Conference Committees, Topic Co-Chair, ASME International Technical Conference and Exhibition on Packaging and Integration of Electronic and Photonic Microsystems, August 2017 - September 2017
 


 

About

The Department of Mechanical and Nuclear Engineering at Penn State is one of the nation’s largest and most successful engineering departments. We serve more than 1,000 undergraduate students and more than 330 graduate students

We offer B.S. degrees in mechanical engineering and nuclear engineering as well as resident (M.S., Ph.D.) and online (M.S., M.Eng.) graduate degrees in nuclear engineering and mechanical engineering. MNE's strength is in offering hands-on experience in highly relevant research areas, such as energy, homeland security, biomedical devices, and transportation systems.

Department of Mechanical and Nuclear Engineering

137 Reber Building

The Pennsylvania State University

University Park, PA 16802-4400

Phone: 814-865-2519