Skip to Content

All University of South Carolina system institutions will be closed through the end of the spring semester. Columbia campus virtual instruction will continue through the end of the Summer II semester (Aug 1). Details can be found on the coronavirus landing page.

College of Engineering and Computing

Faculty and Staff

Grigory Simin

Title: Professor
Undergraduate Director
Department: Electrical Engineering
College of Engineering and Computing
Phone: 803-777-0986
Fax: 803-777-8045

Room 3A16
301 Main Street
Columbia, SC 29208

Professor Grigory Simin

Research Interests

  • 1998-Present: Wide bandgap materials and devices, III-Nitride power microwave devices and ICs
  • 1971–1998: Gunn effect devices, GaAs FETs, microwave and optical integrated circuits, semiconductor lasers


  • MS, EE: Leningrad Electrotechnical Institute, Leningrad, Russia, 1971
  • PhD, Physics: Semiconductors and Dielectrics, GIRICOND Science & Research Institute, Leningrad, Russia, 1979

Representative Publications

  • R. Gaska, M. Gaevski, R. Jain, J. Deng, M. Islam, G. Simin, M. Shur, Novel AlInN/GaN integrated circuits operating up to 500  C, Solid-State Electronics 113 (2015) 22–27
  • M. Gaevski, J. Deng, A. Dobrinsky, R. Gaska, M. Shur, and G. Simin, Static and transient characteristics of GaN power HFETs with low-conducting coating, Phys. Status Solidi C 11, No. 3–4, 866–870 (2014)
  • M. Gaevski, J. Deng, R. Gaska, M. Shur, and G. Simin, GaN microwave varactors with insulated electrodes, Phys. Status Solidi C 11, No. 3–4, 898–901 (2014)
  • Simin, G.S. ; Islam, M. ; Gaevski, M. ; Deng, J. ; Gaska, R. ; Shur, M.S., Low RC-Constant Perforated-Channel HFET, IEEE Electron Device Letters, Vol. 35 , Issue: 4,  pp: 449 - 451 (2014)
  • G Simin, F Jahan, J Yang, M Gaevski, X Hu, J Deng, R Gaska and M Shur, III-nitride microwave control devices and ICs, Semicond. Sci. Technol. 28 (2013) 074008 (8pp)
  • F. Jahan, Y.-H.Yang, ,M. Gaevski, J. Deng, R. Gaska, M. Shur and G. Simin, 2- to 20-GHz Switch Using III-Nitride Capacitively Coupled Contact Varactors, IEEE Electron Dev. Lett., V.34, pp 208-210 (2013)
  • F. Jahan, M. Gaevski, J. Deng, R. Gaska, M. Shur and G. Simin, RF Power Limiter using Capacitively -Coupled Contacts III-Nitride Varactor, Electronics Letters, Vol. 48 No. 23, pp. 1480-1481 (2012)
  • B.M. Khan, G. S. Simin, Third-order nonlinearity compensation in field effect transistors, Electron. Lett. V. 47, Issue 24, p.1343–1345 (2011)

Representative Presentations

  • Kawser Ahmed, Stephen R. Anderson, Michael R. Giordano, M. Islam, G. Simin, and M. Shur, Thermal Breakdown of III-N HEMTs on different substrates, 2016 Lester Eastman Conference on High Performance Devices, Aug, 2nd - 4th, 2016, Lehigh Univ. Bethlehem, PA, USA
  • M. Islam, G. Simin, N. Tipirneni, J. Joh, V. Krishnamurthy, S. Pendharkar, Drain - Bulk Leakage Current Mechanisms and Model for Power GaN HEMT on Si Substrate, 2015 International Conference on Compound Semiconductor Manufacturing Technology (CSMANTECH-2015), May 18th – 21st, 2015, Hyatt Regency Scottsdale, Resort & Spa at Gainey Ranch Scottsdale, Arizona, USA
  • M. Shur, M. Gaevski, R. Gaska, G. Simin, H. Wong, N. Braga, and R. Mickevicius, (Invited) Power Loss Reduction in Perforated-Channel HFET Switches, ECS Trans. 2015 66(1): 179-183; doi:10.1149/06601.0179ecst
  • M. Shur, G. Simin, and R. Gaska, New Approaches to Realizing High Power Nitride Based Field Effect Transistors (Invited) ECS Trans. 2014 64(17): 29-34; doi:10.1149/06417.0029ecst 2014 ECS and SMEQ Joint International Meeting, October 5, 2014 - October 9, 2014, Cancun, Mexico
  • M. Shur, M. Gaevski, J. Deng, R. Gaska, H. Wong, N. Braga, V. Mickevicius, and G. Simin, Superior Frequency Characteristics of Perforated Channel HFET, The Lester Eastman Conference on High Performance Devices, 5 – 7 Aug. 2014, Cornell Univ. p.S4-P4
  • G. Simin, Effect of bulk conductance on GaN on Silicon HFET device performance, WOCSEMMAD 2015, February 16-19, 2015, The Wild Dunes, Isle of Palms, SC
  • M. Islam, G. Simin, Bulk Current in Power GaN HFETs on Silicon, WOCSEMMAD 2015, February 16-19, 2015, The Wild Dunes, Isle of Palms, SC

Courses Taught

  • ELCT 102 - Electrical Science lectures
  • ELCT 221 - Electric Circuits lectures
  • ELCT 563 - Semiconductor Devices lectures
  • ELCT 566 - Optoelectronic Devices lectures (2008)
  • ELCT 871 - Advances in Semiconductor Devices lectures (Deng, Simin - 2006)
  • ELCT 882 - High-speed Semiconductor Devices lectures (2005)


  • 2011-Present: Professor w. tenure, University of South Carolina
  • 2005-2011: Associate Professor w. tenure, University of South Carolina
  • 2001-2005: Tenure-track Associate Professor, University of South Carolina
  • 1998-2001: Research Associate Prof., University of South Carolina
  • 1997-1998: Senior Research Scientist, A. F. Ioffe Physico-Technical Institute, Russian Academy of Science, St. Petersburg, Russia
  • 1971-1997: Senior Research Scientist, GIRICOND Science & Research Institute, Ministry of Electronic Industry, Leningrad, St. Petersburg, Russia

Research Highlights

Memberships, Honors and Professional Services

  • IEEE Senior Member
  • M. Mungo Undergraduate Teaching Award, USC, 2008
  • Research Progress Award, COEIT, USC April 2005
  • Bestselling Backlist, 2002. Listing the book Getting to Know Semiconductors by M.E. Levinshtein and G. S. Simin
  • Best INVITED paper WOFE-02 Asif Khan, J. W. Yang, G. Simin, R. Gaska and M. S. Shur, "Strain Energy band Engineering Approach to AlN/GaN/InN Heterojunction Devices"
  • Best Paper WOFE-02 L. Rumyantsev, M. Shur, R. Gaska, M.E . Levinshtein, M. A. Khan, G. Simin, J. W. Yang, "Low Frequency Noise in Gallium Nitride Field-Effect Transistors"
  • The Senior Scientist Certificate from The Supreme Classification Board of the Council of Ministers of USSR, 1985
  • 2003-Present: Chair of the Faculty Hiring Committee, College of Engineering and Computing (CEC), USC
  • Member of the CEC Faculty Hiring Committees on Computational Nanoscience, Photovoltaics, Brain Plasticity
  • Member of the EE Department Undergraduate and Graduate Advisory committees
  • Editor in Chief, IEEE Sensor Council web site
  • Reviewer for IEEE Journals, Applied phys. Letters, Journal Appl. Phys, Solid-State Electronics, Electronics Letters and others

Additional Publications

Challenge the conventional. Create the exceptional. No Limits.