Photo of Sukwon Choi

Sukwon Choi

Kenneth Kuan-Yun Kuo Early Career Professor
Associate Professor

Affiliation(s):

  • 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

Journal Articles

  • Fan He, Wanlin Zhu, John Hayden, Joseph Casamento, Quyen Tran, Kyuhwe Kang, Yiwen Song, Betul Akkopru-Akgun, Jung In Yang, Pannawit Tipsawat, Geoff Brennecka, Sukwon Choi, Thomas N Jackson, Jon-Paul Maria and Susan E Trolier-McKinstry, 2024, "Frequency dependence of wake-up and fatigue characteristics in ferroelectric Al0.93B0.07N thin films", Acta Materialia, 266, pp. 119678
  • Anwarul Karim, Yiwen Song, Daniel C. Shoemaker, Dae-Woo Jeon, Ji-Hyeon Park, Jae Kyoung Mun, Hun Ki Lee and Sukwon Choi, 2023, "Thermal analysis of an a-Ga2O3 MOSFET using micro-Raman spectroscopy", Applied Physics Letters, 123, (19), pp. 192104
  • Yiwen Song, Arkka Bhattacharyya, Anwarul Karim, Daniel Shoemaker, Hsien-Lien Huang, Saurav Roy, Craig McGray, Jacob H Leach, Jinwoo Hwang, Sriram Krishnamoorthy and Sukwon Choi, 2023, "Ultra-Wide Band Gap Ga2O3-on-SiC MOSFETs", ACS Applied Materials & Interfaces, 15, (5), pp. 7137--7147
  • Samuel H. Kim, Daniel Shoemaker, Andrew J. Green, Kelson D. Chabak, Kyle J. Liddy, Samuel Graham and Sukwon Choi, 2023, "Transient Thermal Management of a ß-Ga2O3 MOSFET Using a Double-Side Diamond Cooling Approach", IEEE Transactions on Electron Devices, 70, (4), pp. 1628-1635
  • Daniel C. Shoemaker, Yiwen Song, Kyuhwe Kang, Michael L. Schuette, James S. Tweedie, Scott T. Sheppard, Nathaniel S. McIlwaine, Jon-Paul Maria and Sukwon Choi, 2023, "Implications of Interfacial Thermal Transport on the Self-Heating of GaN-on-SiC High Electron Mobility Transistors", IEEE Transactions on Electron Devices, 70, (10), pp. 5036-5043
  • Samuel H. Kim, Daniel Shoemaker, Bikramjit Chatterjee, Andrew J. Green, Kelson D. Chabak, Eric R. Heller, Kyle J. Liddy, Gregg H. Jessen, Samuel Graham and Sukwon Choi, 2022, "Thermally-Aware Layout Design of ß-Ga2O3 Lateral MOSFETs", IEEE Transactions on Electron Devices, 69, (3), pp. 1251-1257
  • Green,Andrew J., Speck,James, Xing,Grace, Moens,Peter, Allerstam,Fredrik, Gumaelius,Krister, Neyer,Thomas, Arias-Purdue,Andrea, Mehrotra,Vivek, Kuramata,Akito, Sasaki,Kohei, Watanabe,Shinya, Koshi,Kimiyoshi, Blevins,John, Bierwagen,Oliver, Krishnamoorthy,Sriram, Leedy,Kevin, Arehart,Aaron R., Neal,Adam T., Mou,Shin, Ringel,Steven A., Kumar,Avinash, Sharma,Ankit, Ghosh,Krishnendu, Singisetti,Uttam, Li,Wenshen, Chabak,Kelson, Liddy,Kyle, Islam,Ahmad, Rajan,Siddharth, Graham,Samuel, Choi,Sukwon, Cheng,Zhe, Higashiwaki andMasataka, 2022, "ß-Gallium oxide power electronics", APL Materials, 10, (2), pp. 029201
  • Yiwen Song, Chi Zhang, James Spencer Lundh, Hsien-Lien Huang, Yue Zheng, Yingying Zhang, Mingyo Park, Timothy Mirabito, Rossiny Beaucejour, Chris Chae, Nathaniel McIlwaine, Giovanni Esteves, Thomas E. Beechem, Craig Moe, Rytis Dargis, Jeremy Jones, Jacob H. Leach, Robert M. Lavelle, David W. Snyder, Jon-Paul Maria, Roy H. Olsson, Joan M. Redwing, Azadeh Ansari, Jinwoo Hwang, Xiaojia Wang, Brian M. Foley, Susan E. Trolier-McKinstry and Sukwon Choi, 2022, "Growth-microstructure-thermal property relations in AlN thin films", Journal of Applied Physics, 132, (17), pp. 175108
  • Yiwen Song, Praneeth Ranga, Yingying Zhang, Zixuan Feng, Hsien-Lien Huang, Marco D Santia, Stefan C Badescu, C Ulises Gonzalez-Valle, Carlos Perez, Kevin Ferri, Robert M Lavelle, David W Snyder, Brianna A Klein, Julia Deitz, Albert G Baca, Jon-Paul Maria, Bladimir Ramos-Alvarado, Jinwoo Hwang, Hongping Zhao, Xiaojia Wang, Sriram Krishnamoorthy, Brian Foley and Sukwon Choi, 2021, "Thermal conductivity of ß-phase Ga2O3 and (AlxGa1–x)2O3 heteroepitaxial thin films", ACS Applied Materials & Interfaces, 13, (32), pp. 38477–38490
  • Yiwen Song, Daniel Shoemaker, Jacob H Leach, Craig McGray, Hsien-Lien Huang, Arkka Bhattacharyya, Yingying Zhang, C Ulises Gonzalez-Valle, Tina Hess, Sarit Zhukovsky, Kevin Ferri, Robert M Lavelle, Carlos Perez, David W Snyder, Jon-Paul Maria, Bladimir Ramos-Alvarado, Xiaojia Wang, Sriram Krishnamoorthy, Jinwoo Hwang, Brian Foley and Sukwon Choi, 2021, "Ga2O3-on-SiC composite wafer for thermal management of ultrawide bandgap electronics", ACS Applied Materials & Interfaces, 13, (34), pp. 40817–40829
  • Arkka Bhattacharyya, Saurav Roy, Praneeth Ranga, Daniel Shoemaker, Yiwen Song, James Spencer Lundh, Sukwon Choi and Sriram Krishnamoorthy, 2021, "130 mAmm-1 ß-Ga2O3 metal semiconductor field effect transistor with low-temperature metalorganic vapor phase epitaxy-regrown ohmic contacts", Applied Physics Express, 14, (7), pp. 076502
  • Yiwen Song, Carlos Perez, Giovanni Esteves, James Spencer Lundh, Christopher B Saltonstall, Thomas E Beechem, Jung In Yang, Kevin Ferri, Joseph E Brown, Zichen Tang, Jon-Paul Maria, David W Snyder, Roy H Olsson, Benjamin A Griffin, Susan E Trolier-McKinstry, Brian Foley and Sukwon Choi, 2021, "Thermal Conductivity of Aluminum Scandium Nitride for 5G Mobile Applications and Beyond", ACS Applied Materials & Interfaces, (13), pp. 19031-19041
  • Mohamadali Malakoutian, Yiwen Song, Chao Yuan, Chenhao Ren, James Spencer Lundh, Robert M. Lavelle, Joseph E. Brown, David W Snyder, Samuel Graham, Sukwon Choi and Srabanti Chowdhury, 2021, "Polycrystalline diamond growth on ß-Ga2O3 for thermal management", Applied Physics Express, 14, (5), pp. 055502
  • James Spencer Lundh, Kathleen Coleman, Yiwen Song, Benjamin A. Griffin, Giovanni Esteves, Erica A. Douglas, Adam Edstrand, Stefan C. C. Badescu, Elizabeth A. Moore, Jacob H. Leach, Baxter Moody, Susan Trolier-McKinstry and Sukwon Choi, 2021, "Residual stress analysis of aluminum nitride piezoelectric micromachined ultrasonic transducers using Raman spectroscopy", Journal of Applied Physics, 130, (4), pp. 044501
  • Daniel Shoemaker, Mohamadali Malakoutian, Bikramjit Chatterjee, Yiwen Song, Samuel Kim, Brian M. Foley, Samuel Graham, Christopher D. Nordquist, Srabanti Chowdhury and Sukwon Choi, 2021, "Diamond-Incorporated Flip-Chip Integration for Thermal Management of GaN and Ultra-Wide Bandgap RF Power Amplifiers", IEEE Transactions on Components, Packaging and Manufacturing Technology, pp. 1-1
  • Jihyun Kim, Sungje Lee, Yiwen Song, Sukwon Choi, Jihwan An and Jungwan Cho, 2021, "Thermal conductivity of plasma-enhanced atomic layer deposited hafnium zirconium oxide dielectric thin films", Journal of the European Ceramic Society
  • Bikramjit Chatterjee, Dong Ji, Anchal Agarwal, Silvia H. Chan, Srabanti Chowdhury and Sukwon Choi, 2021, "Electro-Thermal Investigation of GaN Vertical Trench MOSFETs", IEEE Electron Device Letters, pp. 1-1
  • Bikramjit Chatterjee, Wenshen Li, Kazuki Nomoto, Huili Grace Xing and Sukwon Choi, 2021, "Thermal design of multi-fin Ga2O3 vertical transistors", Applied Physics Letters, 119, (10), pp. 103502
  • James Spencer Lundh, Daniel Shoemaker, A. Glen Birdwell, James D. Weil, Leonard M. De La Cruz, Pankaj B. Shah, Kevin G. Crawford, Tony G. Ivanov, Hiu Yung Wong and Sukwon Choi, 2021, "Thermal performance of diamond field-effect transistors", Applied Physics Letters, 119, (14), pp. 143502
  • Sukwon Choi, Samuel Graham, Srabanti Chowdhury, Eric R. Heller, Marko J. Tadjer, Gilberto Moreno and Sreekant Narumanchi, 2021, "A perspective on the electro-thermal co-design of ultra-wide bandgap lateral devices", Applied Physics Letters, 119, (17), pp. 170501
  • Ronald Warzoha, Wilson, Adam/A, Brian Donovan, Nazli Donmezer, Ashutosh Giri, Patrick Hopkins, Sukwon Choi, Darshan Pahinkar, Jingjing Shi, Samuel Graham, Zhiting Tian and Laura Ruppalt, 2020, "Applications and impacts of nanoscale thermal transport in electronics packaging", Journal of Electronic Packaging, 143, (2)
  • James S. Lundh, Tianyi Zhang, Yuewei Zhang, Zhanbo Xia, Maxwell Wetherington, Yu Lei, Ethan Kahn, Siddharth Rajan, Mauricio Terrones Maldonado and Sukwon Choi, 2020, "2D materials for universal thermal imaging of micro- and nanodevices: An application to gallium oxide electronics", American Chemical Society (ACS) Applied Electronic Materials, 2, pp. 2945-2953
  • Yiwen Song, James Lundh, Weijie Wang, Jacob Leach, Devon Eichfeld, Anusha Krishnan, Carlos Perez, Dong Ji, Trent Borman, Kevin Ferri, Jon-Paul Maria, Srabanti Chowdhury, Jae-Hyun Ryou, Brian Foley and Sukwon Choi, 2020, "The doping dependence of the thermal conductivity of bulk gallium nitride substrates", Journal of Electronic Packaging
  • Peter de Bock, David Huitink, Patrick J. Shamberger, James Lundh, Sukwon Choi, Nicholas Niedbalski and Lauren Boteler, 2020, "A system to package perspective on transient thermal management of electronics", Journal of Electronic Packaging
  • Bikramjit Chatterjee, James S. Lundh, Daniel Shoemaker, Tae Kyoung Kim, Hoyeon Kim, Noel C. Giebnik, Joon Seop Kwak, Jaehee Cho and Sukwon Choi, 2020, "Characterization of the interdependence between the light output and self-heating of gallium nitride light-emitting diodes", Journal of Electronic Packaging, 142, (3)
  • James S. Lundh, Yiwen Song, Bikramjit Chatterjee, Albert G. Baca, Robert J. Kaplar, Andrew M. Armstrong, Andrew A. Allerman, Brianna A. Klein, Dustin Kendig, Hyungtak Kim and Sukwon Choi, 2020, "Device-level multidimensional thermal dynamics with implications for current and future wide bandgap electronics", Journal of Electronic Packaging, 142, (3)
  • Robert Pearson, Bikramjit Chatterjee, Samuel Kim, Samuel Graham, Alexander Rattner and Sukwon Choi, 2020, "Guidelines for reduced-order thermal modeling of multifinger GaN HEMTs", Journal of Electronic Packaging, 142, (2)
  • Bikramjit Chatterjee, Daniel Shoemaker, Yiwen Song, Tan Shi, Hsien-Lien Huang, Dongmin Keum, Anusha Krishnan, Brian Foley, Jinwoo Hwang, Hyungtak Kim and Sukwon Choi, 2020, "Cumulative impacts of proton irradiation on the self-heating of AlGaN/GaN HEMTs", American Chemical Society (ACS) Applied Electronic Materials
  • Bikramjit Chatterjee, Yiwen Song, James Spencer Lundh, Yuewei Zhang, Zhanbo Xia, Zahabul Islam, Jacob Leach, Craig McGray, Praneeth Ranga, Sriram Krishnamoorthy, Aman Haque, Siddharth Rajan and Sukwon Choi, 2020, "Electro-thermal co-design of ß-(AlxGa1-x)2O3/Ga2O3 modulation doped field effect transistors", Applied Physics Letters, 117, (15), pp. 153501
  • Lundh,James Spencer, Zhu,Wanlin, Song,Yiwen, Ko,Song Won, Fragkiadakis,Charalampos, Mardilovich,Peter, Trolier-McKinstry,Sus andn, Sukwon , 2020, "Local measurements of domain wall-induced self-heating in released PbZr0.52Ti0.48O3 films", Journal of Applied Physics, 128, (21), pp. 214102
  • Bikramjit Chatterjee, Canberk Dundar, Thomas E. Beechem, Eric Heller, Dustin Kendig, Hyungtak Kim, Nazli Donmezer and Sukwon Choi, 2020, "Nanoscale electro-thermal interactions in AlGaN/GaN high electron mobility transistors", Journal of Applied Physics, 127, (4), pp. 044502
  • Bikramjit Chatterjee, James Spencer Lundh, Yiwen Song, Daniel Shoemaker, Albert G. Baca, Robert J. Kaplar, Thomas E. Beechem, Christopher Saltonstall, Andrew A. Allerman, Andrew M. Armstrong, Brianna A. Klein, Anushka Bansal, Hamid R. Seyf, Disha Talreja, Alexej Pogrebnyakov, Eric Heller, Venkatraman Gopalan, Asegun S. Henry, Joan M Redwing, Brian Foley and Sukwon Choi, 2020, "Interdependence of electronic and thermal transport in AlxGa1-xN channel HEMTs", Institute of Electrical and Electronic Engineers (IEEE) Electron Device Letters, 41, (3), pp. 461-464
  • Weijie Wang, Jie Chen, James S. Lundh, Shahab Shervin, Seung Kyu Oh, Sara Pouladi, Zhoulyu Rao, Ja Yeon Kim, Min-Ki Kwon, Xiaohang Li, Sukwon Choi and Jae-Hyun Ryou, 2020, "Modulation of the two-dimensional electron gas channel in flexible AlGaN/GaN high-electron-mobility transistors by mechanical bending", Applied Physics Letters, 116, (12), pp. 123501
  • Bikramjit Chatterjee, Ke Zeng, Christopher D. Nordquist, Uttam Singisetti and Sukwon Choi, 2019, "Device-level thermal management of gallium oxide field-effect transistors", Institute of Electrical and Electronic Engineers (IEEE) Transactions on Components, Packaging and Manufacturing Technology, 9, (12), pp. 2352-2365
  • Anushka Bansal, Ke Wang, James S. Lundh, Sukwon Choi and Joan M. Redwing, 2019, "Effect of Ge doping on growth stress and conductivity in AlxGa1-xN", Applied Physics Letters, 114, (14), pp. 142101
  • Seung Kyu Oh, James S. Lundh, Shahab Shervin, Bikramjit Chatterjee, Dong Kyu Lee, Sukwon Choi, Joon Seop Kwak and Jae-Hyun Ryou, 2019, "Thermal management and characterization of high-power wide-bandgap semiconductor electronic and photonic devices in automotive applications", Journal of Electronic Packaging, 141, (2), pp. 20801--20817
  • Weijie Wang, Seung Min Lee, Sara Pouladi, Jie Chen, Shahab Shervin, Seonno Yoon, Jung Hwan Yum, Eric S. Larsen, Christopher W. Bielawski, Bikramjit Chatterjee, Sukwon Choi, Jungwoo Oh and Jae-Hyun Ryou, 2019, "Polarization modulation effect of BeO on AlGaN/GaN high-electron-mobility transistors", Applied Physics Letters, 115, (10), pp. 103502
  • Ramesh Shrestha, Yuxuan Luan, Sunmi Shin, Teng Zhang, Xiao Luo, James S. Lundh, Wei Gong, Michael R. Bockstaller, Sukwon Choi, Tengfei Luo, Renkun Chen, Kedar Hippalgaonkar and Sheng Shen, 2019, "High-contrast and reversible polymer thermal regulator by structural phase transition", Science Advances, 5, (12)
  • James S. Lundh, Bikramjit Chatterjee, Yiwen Song, Albert G. Baca, Robert J. Kaplar, Thomas E. Beechem, Andrew A. Allerman, Andrew M. Armstrong, Brianna A. Klein, Anushka Bansal, Disha Talreja, Alexej Pogrebnyakov, Eric Heller, Venkatraman Gopalan, Joan M. Redwing, Brian M. Foley and Sukwon Choi, 2019, "Multidimensional thermal analysis of an ultrawide bandgap AlGaN channel high electron mobility transistor", Applied Physics Letters, 115, (15), pp. 153503
  • Bikramjit Chatterjee, Asanka Jayawardena, Eric Heller, David W. Snyder, Sarit Dhar and Sukwon Choi, 2018, "Thermal characterization of gallium oxide Schottky barrier diodes", Review of Scientific Instruments, 89, (11), pp. 114903
  • Servin Rathi, Inyeal Lee, Moonshik Kang, Dongsuk Lim, Yoontae Lee, Serhan Yamacli, Han-Ik Joh, Seongsu Kim, Sang-Woo Kim, Sun Jin Yun, Sukwon Choi and Gil-Ho Kim, 2018, "Observation of negative differential resistance in mesoscopic graphene oxide devices", Scientific Reports, 8, (1), pp. 7144
  • Ramesh Shrestha, Pengfei Li, Bikramjit Chatterjee, Teng Zheng, Xufei Wu, Zeyu Liu, Tengfei Luo, Sukwon Choi, Kedar Hippalgaonkar, Maarten P de Boer and Sheng Shen, 2018, "Crystalline polymer nanofibers with ultra-high strength and thermal conductivity", Nature Communications, 9
  • 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, Sandeepan 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", Institute of Electrical and Electronic Engineers (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", Institute of Electrical and Electronic Engineers (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", Institute of Electrical and Electronic Engineers (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", Institute of Electrical and Electronic Engineers (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

  • Yiwen Song, Daniel Shoemaker, Kyuhwe Kang, Michael Schuette, James S. Tweedie, Scott T. Sheppard and Sukwon Choi, 2023, "Characterization of GaN-on-SiC Wafers using a Multi-Method Laser-Based Pump-Probe Technique", pp. 1-4
  • Anwarul Karim, Tae Kyoung Kim, Daniel Shoemaker, Yiwen Song, Joon Seop Kwak and Sukwon Choi, 2022, "Experimental Probing of the Bias Dependent Self-Heating in AlGaN/GaN HEMTs With a Transparent Indium Tin Oxide Gate"
  • Samuel H. Kim, James Spencer Lundh, Daniel Shoemaker, Bikramjit Chatterjee, Kelson D. Chabak, Andrew J. Green, Kyle Liddy, Samuel Graham and Sukwon Choi, 2022, "Device-level Transient Cooling of ß-Ga2O3 MOSFETs", pp. 1-6
  • Daniel C. Shoemaker, Anwarul Karim, Dustin Kendig, Hyungtak Kim and Sukwon Choi, 2022, "Deep-Ultraviolet Thermoreflectance Thermal Imaging of GaN High Electron Mobility Transistors", pp. 1-5
  • Samuel H. Kim, Daniel Shoemaker, Bikramjit Chatterjee, Kelson D. Chabak, Andrew J. Green, Kyle J. Liddy, Gregg H. Jessen, Samuel Graham and Sukwon Choi, 2021, "The effectiveness of heat extraction by the drain metal contact of ß-Ga2O3 MOSFETs", pp. 324-327
  • Y. Song, B. Chatterjee, C. McGray, S. Zhukovsky, J. H. Leach, T. Hess, Brian Foley and Sukwon Choi, 2020, "Characterization of the thermal boundary resistance of a Ga2O3/4H-SiC composite wafer", pp. 154-157
  • Bikramjit Chatterjee, James S. Lundh, Daniel Shoemaker, Tae Kyoung Kim, Joon Seop Kwak, Jaehee Cho and Sukwon Choi, 2019, "Correlated effects of self-heating, light output, and efficiency of GaN light-emitting diodes on junction temperature"
  • James S. Lundh, Yiwen Song, Bikram Chatterjee, Albert G. Baca, Robert J. Kaplar, Andrew M. Armstrong, Andrew A. Allerman, Hyungtak Kim and Sukwon Choi, 2019, "Integrated optical probing of the thermal dynamics of wide bandgap power electronics"
  • Bikramjit Chatterjee, Tae Kyoung Kim, Yiwen Song, James S. Lundh, Sang-Woo Han, Daniel Shoemaker, Jae Min Lee, Moon Uk Cho, Rongming Chu, Joon Seop Kwak and Sukwon Choi, 2019, "Enhancement of the electrical and thermal performance of AlGaN/GaN HEMTs using a novel resistive field plate structure", pp. 362-369
  • Bikramjit Chatterjee, Jacob H. Leach, Sarit Dhar and Sukwon Choi, 2018, "Temperature and stress metrology of ultra-wide bandgap ß-Ga2O3 thin films", pp. 202-207
  • 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", pp. 328-333
  • J. S. Lundh, B. Chatterjee, J. Dallas, H. Kim and Sukwon Choi, 2017, "Integrated temperature mapping of lateral gallium nitride electronics", 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", 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", (58097), pp. V001T05A011
  • Sukwon Choi, K. Chu, J. Ryu and M. Sunwoo, 2006, "Water transport experiment of the PEFC based on a generic experimental method", pp. 1-6

Newsletters

  • Jae-Hyun Ryou and Sukwon Choi, 2022, "(News & Views) All-around diamond for cooling power devices", Nature Electronics, pp. 1--2
  • Samuel Graham and Sukwon Choi, 2021, "(News & Views) Integrating boron arsenide into power devices", Nature Electronics, 4, (6), pp. 380--381

Research Projects

Honors and Awards

  • Featured Article, Applied Physics Letters, October 2021
  • Editor's pick, Journal of Applied Physics, July 2021
  • Kenneth Kuan-Yun Kuo Early Career Professorship in Engineering, The Pennsylvania State University, September 2018 - June 2021
  • Air Force’s Young Investigator Award, Air Force Office of Scientific Research (AFOSR), October 2016 - April 2021
  • Featured Article, Journal of Applied Physics, January 2020
  • Editor's Pick, Applied Physics Letters, March 2020
  • American Society of Mechanical Engineers (ASME) InterPACK 2017 Best Poster Award, The American Society of Mechanical Engineers, September 2017
  • 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
  • President’s Fellowship, Georgia Institute of Technology, August 2008 - August 2012
  • National Science Foundation Graduate Research Fellowship - Received by students in Choi group, National Science Foundation (NSF), April 2021

Service

Service to Penn State:

Service to External Organizations:

 


 

About

With more than 60 faculty members, 330 graduate students, and 1,000 undergraduate students, the Penn State Department of Mechanical Engineering embraces a culture that welcomes individuals with a diversity of backgrounds and expertise. Our faculty and students are innovating today what will impact tomorrow’s solutions to meeting our energy needs, homeland security, biomedical devices, and transportation systems. We offer B.S. degrees in mechanical engineering as well as resident (M.S., Ph.D.) and online (M.S.) graduate degrees in mechanical engineering. See how we’re inspiring change and impacting tomorrow at me.psu.edu.

Department of Mechanical Engineering

137 Reber Building

The Pennsylvania State University

University Park, PA 16802-4400

Phone: 814-865-2519