Dr. Victor Veliadis is Executive Director & CTO of PowerAmerica, a member-driven Manufacturing USA Institute of industry, universities, and national labs accelerating the commercialization of energy efficient silicon carbide and gallium nitride power semiconductor chips and electronics. At PowerAmerica, he has managed a budget of $156 million that he strategically allocated to over 210 industrial and University projects to catalyze SiC and GaN semiconductor and power electronics manufacturing, workforce development, and job creation. more
Works (209)
2025 conference paper
Challenges in Accelerating Power SiC Device Commercialization
IEEE EDTM 2025. Presented at the IEEE EDTM 2025, Hong Kong, China.
2025 magazine article
Monolithic Bidirectional Lateral GaN Switches Reinvigorate Power Electronics Applications
Veliadis, V., & Jahns, T. (2025, March). IEEE Power Electronics Magazine, 12(1), 22–28.
2025 chapter
Silicon Carbide Power Device Fabrication
In S. B. Bayne & B. N. Pushpakaran (Eds.), Power Semiconductor Technology in Pulsed Power Applications (pp. 97–128).
Ed(s): S. Bayne & B. Pushpakaran
2024 journal article
A SiC Based Two-Stage Pulsed Power Converter System for Laser Diode Driving and Other Pulsed Current Applications
IEEE Open Journal of Industry Applications, 5, 455–468.
2024 conference paper
Accelerating WBG Power Semiconductor Technology Commercialization
47th Workshop on Compound Semiconductor Devices and Integrated Circuits held in Europe and 18th Expert Evaluation and Control of Compound Semiconductor Materials and Technologies (WOCSDICE-EXMATEC 2024). Presented at the 47th Workshop on Compound Semiconductor Devices and Integrated Circuits held in Europe and 18th Expert Evaluation and Control of Compound Semiconductor Materials and Technologies (WOCSDICE-EXMATEC 2024), Heraklion Crete, Greece.
Event: 47th Workshop on Compound Semiconductor Devices and Integrated Circuits held in Europe and 18th Expert Evaluation and Control of Compound Semiconductor Materials and Technologies (WOCSDICE-EXMATEC 2024) at Heraklion Crete, Greece on May 19-23, 2024
2024 article
Design of Asynchronous Microgrid Power Conditioning System with Gen-3 10 kV SiC MOSFETs for MV Grid Interconnection
Kolli, N., Parashar, S., Kokkonda, R. K., Bhattacharya, S., & Veliadis, V. (2024, February 25). 2024 IEEE APPLIED POWER ELECTRONICS CONFERENCE AND EXPOSITION, APEC, pp. 514–521.
2024 conference paper
Experimental Study Based Switching Sequence for Reduction of Peak Voltage Transients in GaN-based 3L-ANPC Inverter
2024 IEEE Applied Power Electronics Conference and Exposition (APEC), 1235–1241.
2024 chapter
Innovations and Advancements
In M. Di Paolo Emilio (Ed.), SiC Technology: Materials, Manufacturing, Devices and Design for Power Conversion (pp. 271–286).
Ed(s): M. Di Paolo Emilio
2024 chapter book
Manufacturing Processes
2024 chapter
Overview of Silicon Carbide
In M. Di Paolo Emilio (Ed.), SiC Technology: Materials, Manufacturing, Devices and Design for Power Conversion (pp. 1–23).
Ed(s): M. Di Paolo Emilio
2024 journal article
SiC Power Displacing silicon in several high-volume power applications
Semi Interface Magazine: Material Engineering and Interface Optimization, (1), 16–19.
2024 chapter book
SiC Technology
2024 journal article
Switching Modes for Reduction of Peak Voltage Transients in GaN-Based Three Level ANPC Inverter
IEEE Transactions on Industry Applications, 60(6), 9066–9079.
2023 conference paper
A Feedforward-Based Harmonic Current Minimization Method for Six-Phase Permanent Magnet Synchronous Machine Drives
2023 IEEE Energy Conversion Congress and Exposition (ECCE), 5290–5296.
2023 conference paper
Barriers to SiC Power Semiconductor Device Commercialization
Pacific Rim Meeting on Electrochemical and Solid-State Science, 6–11,
Event: Pacific Rim Meeting on Electrochemical and Solid-State Science at Honolulu Hawaii on October 6-11, 2023
2023 article proceedings
Comparative Study of PWM Modes for GaN-based Three-Level ANPC Inverter
2023 article
Determination of Parameters of Symmetrical Six-Phase Permanent Magnet Synchronous Machines
Das, P. P., Satpathy, S., Bhattacharya, S., Veliadis, V., Deshpande, U., & Bhargava, B. (2023, May 15). 2023 IEEE INTERNATIONAL ELECTRIC MACHINES & DRIVES CONFERENCE, IEMDC.
2023 article
Monolithic Bidirectional WBG Switches Rekindle Power Electronics Technology [Expert View]
Veliadis, V. (2023, March 1). IEEE Power Electronics Magazine, Vol. 10, pp. 71–75.
2023 article proceedings
Operating Mode Analysis and Controller Design for Medium Voltage Asynchronous Microgrid Power Conditioning System
2023 journal article
Overview of Wide/Ultrawide Bandgap Power Semiconductor Devices for Distributed Energy Resources
IEEE Journal of Emerging and Selected Topics in Power Electronics, 11(4), 3957–3982.
2023 journal article
SiC and GaN Power Devices
More-than-Moore Devices and Integration for Semiconductors, 47–104.
Ed(s): F. Iacopi & F. Balestra
2023 article
Switching Loss Analysis of Three-Phase Three- Level Neutral Point Clamped Converter Pole Enabled by Series-Connected 10 kV SiC MOSFETs
Kolli, N., Parashar, S., Kokkonda, R. K., Bhattacharya, S., & Veliadis, V. (2023, March 19). 2023 IEEE APPLIED POWER ELECTRONICS CONFERENCE AND EXPOSITION, APEC, pp. 2353–2360.
2022 article
A New Switching Strategy for a GaN-based Three-Level Active Neutral Point Clamped Converter
Satpathy, S., Das, P. P., Bhattacharya, S., & Veliadis, V. (2022, October 9). 2022 IEEE Energy Conversion Congress and Exposition (ECCE).
2022 article
A SiC based Two-Stage Pulsed Power Converter System for Laser Diode Driving Applications
Kokkonda, R. K., Bhattacharya, S., Veliadis, V., & Panayiotou, C. (2022, October 9). 2022 IEEE Energy Conversion Congress and Exposition (ECCE).
2022 article
Comparative Study of 6.5 kV 4H-SiC Discrete Packaged MOSFET, JBSFET, and Co-Pack (MOSFET and JBS Diode)
Yun, N., Lynch, J., Morgan, A. J., Xing, D., Jin, M., Qian, J., … Sung, W. (2022, May 22). 2022 IEEE 34TH INTERNATIONAL SYMPOSIUM ON POWER SEMICONDUCTOR DEVICES AND ICS (ISPSD), pp. 249–252.
2022 article
Design Considerations of Multi-Phase Multilevel Inverters for High-Power Density Traction Drive Applications
Das, P. P., Satpathy, S., Bhattacharya, S., & Veliadis, V. (2022, June 15). 2022 IEEE/AIAA TRANSPORTATION ELECTRIFICATION CONFERENCE AND ELECTRIC AIRCRAFT TECHNOLOGIES SYMPOSIUM (ITEC+EATS 2022), pp. 23–30.
2022 article proceedings
Design Considerations of a GaN-based Three-Level Traction Inverter for Electric Vehicles
2022 conference paper
Efficient SiC Power Devices Build on Silicon's Legacy
IEEE EE Times, (The next Silicon Frontier 50th Anniversary special edition), 73–76.
2022 article
Generalized Control Technique for Three-Level Inverter Fed Six-Phase Permanent Magnet Synchronous Machines Under Fault Conditions
Das, P. P., Satpathy, S., Bhattacharya, S., & Veliadis, V. (2022, October 9). 2022 IEEE Energy Conversion Congress and Exposition (ECCE).
2022 conference paper
Non-CMOS Compatible SiC Power Device Fabrication in Volume Si Fabs
PowerUp conference proceedings. Presented at the PowerUp conference.
Event: PowerUp conference
2022 journal article
SiC Mass Commercialization: Present Status and Barriers to Overcome
Materials Science Forum, 1062, 125–130.
2022 article proceedings
SiC Power Device Mass Commercialization
2022 conference paper
SiC device manufacturing and road to volume production
International Conference on Compound Semiconductor Manufacturing Technology (CS MANTECH). Presented at the International Conference on Compound Semiconductor Manufacturing Technology (CS MANTECH), Monterey, CA, USA.
Event: International Conference on Compound Semiconductor Manufacturing Technology (CS MANTECH) at Monterey, CA, USA on May 9-12, 2022
2021 conference paper
A Two-Stage Ultra-Fast Short-Circuit Protection Circuit for Enhancement-Mode GaN HEMTs
2021 IEEE 8th Workshop on Wide Bandgap Power Devices and Applications (WiPDA). Presented at the IEEE 8th Workshop on Wide Bandgap Power Devices and Applications (WiPDA).
2021 magazine article
An Introduction to SiC Power Devices: Status, Challenges, and Outlook
Veliadis, V. (2021, July). IEEE Electron Devices Society Newsletter, 28(3), 9–16.
2021 article
Critical Design Considerations for Static and Dynamic Performances on 6.5 kV 4H-SiC MOSFETs Fabricated in a 6-inch SiC Foundry
Yun, N., Lynch, J., DeBoer, S., Morgan, A. J., Sung, W., Xing, D., … Ransom, J. (2021, November 7). 2021 IEEE 8TH WORKSHOP ON WIDE BANDGAP POWER DEVICES AND APPLICATIONS (WIPDA), pp. 361–365.
2021 article proceedings
Design Considerations of Three Phase Active Front End Converter for 13.8 kV Asynchronous Microgrid Power Conditioning System enabled by Series Connection of Gen-3 10 kV SiC MOSFETs
2021 chapter
Fabricating SiC Devices: Making the transition from Si
In M. D. P. Emilio & N. Dahad (Eds.), Aspencore guide to Silicon carbide (pp. 24–28).
Ed(s): M. Emilio & N. Dahad
2021 article proceedings
High Voltage Output Characteristics and Short Circuit Robustness of HV SiC MOSFETs
2021 article proceedings
Paralleling of Four 650V/60A GaN HEMTs for High Power Traction Drive Applications
2021 article
Performance Comparison and Demonstration of 3-L Voltage Source Inverters Using 3.3 kV SiC MOSFETs for 2.3 kV High Speed Induction Motor Drive Applications
Kumar, A., Bhattacharya, S., Baliga, J., & Veliadis, V. (2021, June 14). 2021 THIRTY-SIXTH ANNUAL IEEE APPLIED POWER ELECTRONICS CONFERENCE AND EXPOSITION (APEC 2021), pp. 1103–1110.
2021 article
Performance Evaluation of 10 kV SiC Current Switch Based PWM Current Source Inverter for 4.16 kV Motor Drive Applications
Kumar, A., Bhattacharya, S., Baliga, J., & Veliadis, V. (2021, June 14). 2021 THIRTY-SIXTH ANNUAL IEEE APPLIED POWER ELECTRONICS CONFERENCE AND EXPOSITION (APEC 2021), pp. 1219–1226.
2021 article proceedings
Series Connection of 10 kV SiC Current Switches for PWM Current Source Converter Based High Power 7.2 kV Motor Drive Applications
2021 article proceedings
Short Circuit Behavior of Series-Connected 10 kV SiC MOSFETs
2021 conference paper
SiC Mass Commercialization: Present Status and Barriers
7th International Forum on Wide Bandgap Semiconductors & The 18th China International Forum on Solid State Lighting (IFWS & SSLCHINA 2021). Presented at the 7th International Forum on Wide Bandgap Semiconductors & The 18th China International Forum on Solid State Lighting, Shenzhen Convention & Exhibition Center, Shenzhen, China.
Event: 7th International Forum on Wide Bandgap Semiconductors & The 18th China International Forum on Solid State Lighting at Shenzhen Convention & Exhibition Center, Shenzhen, China on November 28-30, 2021
2021 conference paper
SiC Power Technology Status and Barriers to Mass Commercialization
PowerUp conference proceedings. Presented at the PowerUp conference.
Event: PowerUp conference
2020 article proceedings
Accelerating Commercialization of SiC Power Electronics
Event: 2020 International Symposium on VLSI Technology, Systems and Applications (VLSI-TSA)
2020 article proceedings
Comprehensive Loss Analysis of Two-level and Three-Level Inverter for Electric Vehicle Using Drive Cycle Models
Event: IECON 2020 - 46th Annual Conference of the IEEE Industrial Electronics Society
2020 article proceedings
Control of Parallel Connected Interleaved Neutral Point Clamped Inverters for Electric Vehicle Drives
Event: IECON 2020 - 46th Annual Conference of the IEEE Industrial Electronics Society
2020 report
Nano avalanche photodiode architecture for photon detection
(Patent No. US10629767B2).
2020 chapter
Plasma Etching of Silicon Carbide
In K. Zekentes & K. Vasilevskiy (Eds.), Advancing Silicon Carbide Electronics Technology II: Core Technologies of Silicon Carbide Device Processing (pp. 175–232). Materials Research Foundation.
Ed(s): K. Zekentes & K. Vasilevskiy
2019 conference paper
Accelerating Commercialization of Wide-Bandgap Power Electronics
International Conference on Compound Semiconductor Manufacturing Technology. Presented at the International Conference on Compound Semiconductor Manufacturing Technology, Minneapolis MN.
Event: International Conference on Compound Semiconductor Manufacturing Technology at Minneapolis MN
2019 article proceedings
An Experimental Study of Short Circuit Behavior and Protection of 15 kV SiC IGBTs
Contributors: A. Kumar n, S. Bhattacharya n , J. Baliga n & n
2019 journal article
Avalanche Ruggedness Characterization of 10 kV 4H-SiC MOSFETs
Materials Science Forum, 963, 773–776.
Contributors: A. Kumar n, S. Parashar n, E. Brunt*, S. Sabri*, S. Ganguly*, S. Bhattacharya n , n
2019 article proceedings
Demonstration of New Generation 10kV SiC MOSFET Modules in Medium Voltage Power Converters
Contributors: S. Parashar n, A. Kumar n, V. Jakka n, S. Bhattacharya n & n
2019 magazine article
Empowering power electronics with PowerAmerica
Veliadis, V. (2019, November). Compound Semiconductor Magazine, 25(8), 22–27.
2019 report
Nano avalanche photodiode architecture for photon detection
(Patent No. US10211359B2).
2019 article proceedings
Single Shot Avalanche Characterization of Series and Parallel Connection of SiC Power MOSFETs
Contributors: A. Kumar n, R. Kokkonda n, S. Bhattacharya n & n
2019 journal article
The Impact of Education in Accelerating Commercialization of Wide-Bandgap Power Electronics [Expert View]
IEEE Power Electronics Magazine, 6(2), 62–66.
2019 article
The South Korean Silicon-Carbide Semiconductor Industry: An Emerging Powerhouse [Expert View]
Veliadis, V., & Kim, N. K. (2019, September 1). IEEE Power Electronics Magazine, Vol. 6, pp. 56–60.
2018 journal article
Accelerating Commercialization of Wide-Bandgap Power Electronics [Expert View]
IEEE Power Electronics Magazine, 5(4), 63–65.
2018 conference paper
Avalanche Ruggedness Characterization of 10 kV 4H-SiC MOSFETs
11th International MOS-AK Workshop (co-located with the IEDM and CMC Meetings. Presented at the 11th International MOS-AK Workshop (co-located with the IEDM and CMC Meetings, Silicon Valley.
Event: 11th International MOS-AK Workshop (co-located with the IEDM and CMC Meetings at Silicon Valley on December 5, 2018
2018 conference paper
Avalanche Ruggedness Characterization of 10 kV 4H-SiC MOSFETs
European Conference on SiC and Related Materials. Presented at the European Conference on SiC and Related Materials, Birmingham, UK.
Event: European Conference on SiC and Related Materials at Birmingham, UK
2018 article
IEEE ITRW Working Group Position Paper-Materials and Devices: WBG and UWBG Materials and Devices Are Examined in a New Working Group
Veliadis, V., Kaplar, R., Zhang, J., Bakowski, M., Khalil, S., & Moens, P. (2018, June 1). IEEE Power Electronics Magazine, Vol. 5, pp. 45–48.
2018 journal article
IEEE ITRW Working Group Position Paper-System Integration and Application: Silicon Carbide: A Roadmap for Silicon Carbide Adoption in Power Conversion Applications
IEEE Power Electronics Magazine, 5(2), 40–44.
2018 conference paper
Impact of Basal Plane Dislocations and Ruggedness of 10 kV 4H-SiC Transistors
International Forum on Wide Bandgap Semiconductors China (IFWS). Presented at the International Forum on Wide Bandgap Semiconductors China, Shenzhen, China.
Event: International Forum on Wide Bandgap Semiconductors China at Shenzhen, China
2018 report
Monolithic bi-directional current conducting device and method of fabricating the same
(Patent No. US9960159B2).
2018 conference paper
Ruggedness of 6.5kV, 30A 4H-SiC MOSFETs in Extreme Transient Conditions
2018 IEEE 30th International Symposium on Power Semiconductor Devices and ICs (ISPSD). Presented at the IEEE 30th International Symposium on Power Semiconductor Devices and ICs.
Event: IEEE 30th International Symposium on Power Semiconductor Devices and ICs on May 13-17, 2018
2017 conference paper
Current Status and Future Perspectives of SiC Power Devices
International Forum on Wide Bandgap Semiconductors China (IFWS). Presented at the International Forum on Wide Bandgap Semiconductors China, Beijing, China.
Event: International Forum on Wide Bandgap Semiconductors China at Beijing, China
2017 article proceedings
Effect of capacitive current on reverse recovery of body diode of 10kV SiC MOSFETs and external 10kV SiC JBS diodes
Contributors: A. Kumar n, K. Vechalapu n, S. Bhattacharya n , n , E. Van Brunt*, D. Grider*, S. Sabri*, B. Hull *
2017 report
Nano avalanche photodiode architecture for photon detection
(Patent No. US10211359B2).
2017 conference paper
SiC power device design and fabrication, and insertion in novel MV power converters
2017 ieee energy conversion congress and exposition (ecce).
2017 conference paper
SiC power device design and fabrication, and insertion in novel MV power converters
2017 ieee energy conversion congress and exposition (ecce).
2017 conference paper
Strategic Guidance to Accelerate Large-scale Adoption of Wide Bandgap Power Semiconductors
Applied Power Electronics Conference and Exposition (APEC). Presented at the Applied Power Electronics Conference and Exposition.
Event: Applied Power Electronics Conference and Exposition
2016 journal article
6.9-cm2Active-Area Interconnected Wafer 4-kV p-i-n Diode Pulsed at 55 kA
IEEE Journal of Emerging and Selected Topics in Power Electronics, 4(3), 767–771.
2016 report
Monolithic bi-directional current conducting device and method of fabricating the same
(Patent No. US9293465B1).
2016 conference paper
PowerAmerica efforts to Accelerate Large-scale Adoption of SiC and GaN Semiconductor Devices in Power Electronics Systems
Government Microcircuits Applications & Critical Technology Conference. Presented at the Government Microcircuits Applications & Critical Technology Conference.
Event: Government Microcircuits Applications & Critical Technology Conference
2016 journal article
Suitability of N-ON Recessed Implanted Gate Vertical-Channel SiC JFETs for Optically Triggered 1200 V Solid-State Circuit Breakers
IEEE Journal of Emerging and Selected Topics in Power Electronics, 4(3), 874–879.
2015 conference paper
6.9-cm2 Active-area Interconnected-Wafer SiC 4 kV PiN Diode Pulsed at 55 kA
3rd IEEE Workshop on Wide Bandgap Power Devices and Applications. Presented at the 3rd IEEE Workshop on Wide Bandgap Power Devices and Applications.
Event: 3rd IEEE Workshop on Wide Bandgap Power Devices and Applications
2015 article proceedings
Suitability of N-ON recessed implanted gate vertical-channel SiC JFETs for optically triggered 1200 V solid-state-circuit-breakers
2015 report
System and Method for Providing Optically Triggered Circuit Breaker
(Patent No. US8958193B2).
2014 journal article
Evaluation of SiC JFET Performance During Repetitive Pulsed Switching Into an Unclamped Inductive Load
IEEE Transactions on Plasma Science, 42(10), 2968–2973.
2014 report
Semiconductor devices with minimized current flow differences and methods of same
(Patent No. US8664048B2).
2014 chapter
Silicon Carbide Junction Field‐Effect Transistors (SiCJFETs)
In Wiley Encyclopedia of Electrical and Electronics Engineering (pp. 1–37).
2013 conference paper
A 7.3 THz Cut-Off Frequency, Inline, Chalcogenide Phase-Change RF Switch Using an Independent Resistive Heater for Thermal Actuation
2013 IEEE Compound Semiconductor Integrated Circuit Symposium (CSICS), 1–4.
2013 journal article
A Four-Terminal, Inline, Chalcogenide Phase-Change RF Switch Using an Independent Resistive Heater for Thermal Actuation
IEEE Electron Device Letters, 34(10), 1313–1315.
2013 journal article
High Temperature Unclamped Inductive Switching Mode Evaluation of SiC JFET
IEEE Electron Device Letters, 34(4), 526–528.
2013 journal article
Process Tolerant Single Photolithography/Implantation 120-Zone Junction Termination Extension
Materials Science Forum, 740-742, 855–858.
2013 journal article
Reliable Operation of SiC JFET Subjected to Over 2.4 Million 1200-V/115-A Hard Switching Events at 150 $^{\circ}\hbox{C}$
IEEE Electron Device Letters, 34(3), 384–386.
2013 journal article
Reliable Operation of SiC Junction-Field-Effect-Transistor Subjected to over 2 Million 600-V Hard Switch Stressing Events
Materials Science Forum, 740-742, 921–924.
2012 conference paper
11.72 cm2 SiC Wafer-scale Interconnected 64 kA PiN Diode
Compound Semiconductor Manufacturing Technology Conference. Presented at the Compound Semiconductor Manufacturing Technology Conference, Boston, Massachusetts, USA.
Event: Compound Semiconductor Manufacturing Technology Conference at Boston, Massachusetts, USA on April 23-26, 2012
2012 journal article
11.72 cm2 SiC Wafer-Scale Interconnected 1.8 kV / 64 kA PiN Diode
Materials Science Forum, 717-720, 961–964.
2012 journal article
11.72-$\hbox{cm}^{2}$ Active-Area Wafer-Interconnected p-i-n Diode Pulsed at 64 kA Dissipates 382 J and Exhibits an Action of 1.7 $\hbox{MA}^{2}\cdot\hbox{s}$
IEEE Electron Device Letters, 33(6), 764–766.
2012 journal article
Avalanche Breakdown Energy in Silicon Carbide Junction Field Effect Transistors
Materials Science Forum, 717-720, 1025–1028.
2012 report
Bipolar Junction Transistor trenched multiple floating guard ring edge termination and method of fabricating the same
(Patent No. US 8,283,749).
2012 report
Bipolar Junction Transistor trenched multiple floating guard ring edge termination and method of fabricating the same
(Patent No. US 8,105,911).
2012 journal article
Degradation and Full Recovery in High-Voltage Implanted-Gate SiC JFETs Subjected to Bipolar Current Stress
IEEE Electron Device Letters, 33(7), 952–954.
2012 report
Guard ring structures and method of fabricating thereof
(Patent No. US 8,138,569).
2012 journal article
High-Yield 4H-SiC Thyristors for Wafer-Scale Interconnection
Materials Science Forum, 717-720, 1171–1174.
2012 conference paper
Process Tolerant Single Photolithography/Implantation 120-Zone Junction Termination Extension
European Conference on SiC and Related Materials. Presented at the European Conference on SiC and Related Materials, Russia.
Event: European Conference on SiC and Related Materials at Russia
2012 journal article
Recovery of Bipolar-Current Induced Degradations in High-Voltage Implanted-Gate Junction Field Effect Transistors
Materials Science Forum, 717-720, 1013–1016.
2012 journal article
Reliable Operation of 1200-V SiC Vertical Junction-Field-Effect-Transistor Subjected to 16,000-Pulse Hard Switching Stressing
Materials Science Forum, 717-720, 1021–1024.
2012 conference paper
Reliable Operation of SiC Junction-Field-Effect-Transistor Subjected to Over 2 Million 600-V Hard Switch Stressing Events
European Conference on SiC and Related Materials. Presented at the European Conference on SiC and Related Materials, Russia.
Event: European Conference on SiC and Related Materials at Russia
2012 report
SiC Avalanche Photodiode with Improved Edge Termination
(Patent No. US 8,106,422).
2012 journal article
Single Photolithography/Implantation 120-Zone Junction Termination Extension for High-Voltage SiC Devices
Materials Science Forum, 717-720, 977–980.
2012 report
System and method for providing symmetric, efficient bi-directional power flow and power conditioning
(Patent No. US 8,130,023).
2012 report
Systems and methods for interconnect metallization using a stop-etch layer
(Patent No. 8,110,880 B1).
2012 report
Systems and methods for maximizing breakdown voltage in semiconductor devices
(Patent No. US 8,110,494 B1).
2011 conference paper
11.72 cm2 SiC Wafer-scale Interconnected 1.8 kV / 64 kA PiN Diode
International Conference on Silicon Carbide and Related Materials. Presented at the International Conference on Silicon Carbide and Related Materials.
Event: International Conference on Silicon Carbide and Related Materials
2011 journal article
600-V Symmetrical Bi-Directional Power Switching Using SiC Vertical-Channel JFETs with Reliable Edge Termination
Materials Science Forum, 679-680, 591–594.
2011 conference paper
Analysis of SiC JFET devices during pulsed operation
2011 IEEE Pulsed Power Conference, 1102–1104.
2011 conference paper
Avalanche Breakdown Energy in Silicon Carbide Junction Field Effect Transistors
International Conference on Silicon Carbide and Related Materials. Presented at the International Conference on Silicon Carbide and Related Materials.
Event: International Conference on Silicon Carbide and Related Materials
2011 article proceedings
Demonstration of a 600-V, 60-A, bidirectional silicon carbide solid-state circuit breaker
2011 journal article
Design and Yield of 9 kV Unipolar Normally-ON Vertical-Channel SiC JFETs
Materials Science Forum, 679-680, 617–620.
2011 report
Guard ring structures and method of fabricating thereof
(Patent No. US 8,018,022 B2).
2011 conference paper
Hard-Switch Reliability Testing of SiC JFETs for Bidirectional Solid-state Circuit Breaker Applications
NGES Symposium 2011. Presented at the NGES Symposium.
Event: NGES Symposium
2011 journal article
Hard-Switch Stressing of Vertical-Channel Implanted-Gate SiC JFETs
IEEE Electron Device Letters, 33(1), 86–88.
2011 conference paper
High-Yield 4H-SiC Thyristors for Wafer-scale Interconnection
International Conference on Silicon Carbide and Related Materials. Presented at the International Conference on Silicon Carbide and Related Materials.
Event: International Conference on Silicon Carbide and Related Materials
2011 journal article
PERFORMANCE OF A 600-V, 30-A, BI-DIRECTIONAL SILICON CARBIDE SOLID-STATE CIRCUIT BREAKER
International Journal of High Speed Electronics and Systems, 20(03), 433–439.
2011 conference paper
Recovery of Bipolar-current Induced Degradations in High-voltage Implanted-Gate Junction Field Effect Transistors
International Conference on Silicon Carbide and Related Materials. Presented at the International Conference on Silicon Carbide and Related Materials.
Event: International Conference on Silicon Carbide and Related Materials
2011 conference paper
Reliable Operation of 1200-V SiC Vertical Junction-Field-Effect-Transistor Subjected to 16,000-Pulse Hard Switching Stressing
International Conference on Silicon Carbide and Related Materials. Presented at the International Conference on Silicon Carbide and Related Materials.
Event: International Conference on Silicon Carbide and Related Materials
2011 report
SiC Avalanche Photodiode with Improved Edge Termination
(Patent No. US 7,863,647).
2011 conference paper
Single photolithography/implantation 120-zone Junction Termination Extension for High-Voltage SiC Devices
International Conference on Silicon Carbide and Related Materials. Presented at the International Conference on Silicon Carbide and Related Materials.
Event: International Conference on Silicon Carbide and Related Materials
2010 journal article
600-V / 2-A Symmetrical Bi-Directional Power Flow Using Vertical-Channel JFETs Connected in Common Source Configuration
Materials Science Forum, 645-648, 1147–1150.
2010 conference paper
600-V symmetrical bi-directional power switching using SiC vertical-channel JFETs with efficient edge termination
European Conference on SiC and Related Materials. Presented at the European Conference on SiC and Related Materials, Norway.
Event: European Conference on SiC and Related Materials at Norway
2010 conference paper
600V/60A Bi-directional Power Circuit Flow Using 500°C Capable SiC Transistors
NGES Symposium. Presented at the NGES Symposium.
Event: NGES Symposium
2010 journal article
A 9-kV Normally-on Vertical-Channel SiC JFET for Unipolar Operation
IEEE Electron Device Letters, 31(5), 470–472.
2010 journal article
Comments on "1.88-$\hbox{m}\Omega \cdot \hbox{cm}^{2}$ 1650-V Normally on 4H-SiC TI-VJFET
IEEE Transactions on Electron Devices, 57(12), 3540–3543.
2010 conference paper
Design and Yield of a 9 kV Unipolar Normally-ON Vertical Channel SiC JFET
European Conference on SiC and Related Materials. Presented at the European Conference on SiC and Related Materials, Norway.
Event: European Conference on SiC and Related Materials at Norway
2010 journal article
Feasibility of Efficient Power Switching Using Short-Channel 1200-V Normally-Off SiC VJFETs; Experimental Analysis and Simulations
Materials Science Forum, 645-648, 929–932.
2010 report
Guard ring structures and method of fabricating thereof
(Patent No. US 7,825,487 B2).
2010 conference paper
Performance of a 600-V, 30-A bi-directional silicon carbide solid-state circuit breaker
Abstracts of IEEE Lester Eastman Conference on High Performance Devices. Presented at the IEEE Lester Eastman Conference on High Performance Devices.
Event: IEEE Lester Eastman Conference on High Performance Devices
2010 report
Semiconductor structure with an electric field stop layer for improved edge termination capability
(Patent No. US 7,800,196 B2).
2010 chapter
Silicon Carbide Vertical Junction Field Effect transistors and cascode switches for 1200 V power conditioning applications
In H.-Y. Cha (Ed.), "Advanced semiconductor materials and devices research - SiC and III-Nitrides (pp. 407–446).
Ed(s): H. Cha
2010 report
Systems and methods for maximizing breakdown voltage in semiconductor devices
(Patent No. US 7,667,242 B1).
2010 report
Wide Bandgap Power Switch with Synchronous Rectification
(Patent No. US 7,719,055).
2009 other
1200 V SiC Vertical‐Channel‐JFETs and Cascode Switches
2009 journal article
1200 V SiC vertical‐channel‐JFETs and cascode switches
Physica Status Solidi (a), 206(10), 2346–2362.
2009 conference paper
600-V / 2-A symmetrical bi-directional power flow using vertical-channel JFETs connected in common source configuration
International Conference on SiC and Related Materials, I–227.
Event: International Conference on SiC and Related Materials at Nuremberg
2009 journal article
BI-DIRECTIONAL SCALABLE SOLID-STATE CIRCUIT BREAKERS FOR HYBRID-ELECTRIC VEHICLES
International Journal of High Speed Electronics and Systems, 19(01), 183–192.
2009 article proceedings
Design and yields of 1200-V recessed-implanted-gate SiC vertical-channel JFETs for power switching applications
2009 journal article
Effect of Bipolar Gate-to-Drain Current on the Electrical Properties of Vertical Junction Field Effect Transistors
Materials Science Forum, 615-617, 719–722.
2009 conference paper
Effect of Bipolar Gate-to-drain Current on the Electrical Properties of 12-μm and 100-μm Drift-layer Vertical Channel JFETs
Government Microcircuits Applications & Critical Technology Conference, 413–416.
Event: Government Microcircuits Applications & Critical Technology Conference
2009 conference paper
Feasibility of efficient power switching using 1200-V Normally-Off recessed-implanted-gate SiC VJFETs; experimental analysis and simulations
International Conference on SiC and Related Materials, I–41.
Event: International Conference on SiC and Related Materials at Nuremberg
2009 conference paper
High-Temperature Static Characteristics of the VJFET-Based All-SiC Normally-Off Cascode Switch
Government Microcircuits Applications & Critical Technology Conference, 207–210.
Event: Government Microcircuits Applications & Critical Technology Conference
2009 journal article
Investigation of the Suitability of 1200-V Normally-Off Recessed-Implanted-Gate SiC VJFETs for Efficient Power-Switching Applications
IEEE Electron Device Letters, 30(7), 736–738.
2009 report
Systems and methods for interconnect metallization using a stop-etch layer
(Patent No. US 7,557,046).
2009 conference paper
Ultra High Capacity Thermal Ground Plane
NGES Symposium. Presented at the NGES Symposium 2009.
Event: NGES Symposium 2009
2009 journal article
VJFET Based All-SiC Normally-Off Cascode Switch for High Temperature Power Handling Applications
Materials Science Forum, 615-617, 711–714.
2008 journal article
1200-V, 50-A, Silicon Carbide Vertical Junction Field Effect Transistors for Power Switching Applications
Materials Science Forum, 600-603, 1047–1050.
2008 conference paper
300oC Operation of Silicon Carbide Vertical-Junction Field-Effect Transistors
NGES Symposium. Presented at the NGES Symposium.
Event: NGES Symposium
2008 journal article
4H-SiC VJFET Based Normally-off Cascode Switches for 300°C Electronic Applications
SAE International Journal of Aerospace, 1(1), 973–981.
2008 journal article
A 1680-V (at 1 $\hbox{mA/cm}^{2}$) 54-A (at 780 $\hbox{W/cm}^{2}$) Normally ON 4H-SiC JFET With 0.143- $\hbox{cm}^{2}$ Active Area
IEEE Electron Device Letters, 29(10), 1132–1134.
2008 journal article
A 2055-V (at 0.7 $\hbox{mA/cm}^{2}$) 24-A (at 706 $\hbox{W/cm}^{2}$) Normally On 4H-SiC JFET With 6.8- $\hbox{mm}^{2}$ Active Area and Blocking-Voltage Capability Reaching the Material Limit
IEEE Electron Device Letters, 29(12), 1325–1327.
2008 conference paper
Bi-directional scalable solid state circuit breakers for hybrid-electric vehicles
IEEE Lester Eastman Conference on High Performance Devices. Presented at the IEEE Lester Eastman Conference on High Performance Devices.
Event: IEEE Lester Eastman Conference on High Performance Devices
2008 conference paper
Effect of bipolar gate-to-drain current on the electrical properties of Vertical Junction Field Effect Transistors
European Conference on SiC and Related Materials. Presented at the European Conference on SiC and Related Materials, Barcelona.
Event: European Conference on SiC and Related Materials at Barcelona
2008 journal article
Large Area Silicon Carbide Vertical JFETs for 1200 V Cascode Switch Operation
International Journal of Power Management Electronics, 2008, 1–8.
2008 report
Semiconductor structure for use in a static induction transistor having improved gate-to-drain breakdown voltage
(Patent No. US 7,372,087 B2).
2008 conference paper
Silicon Carbide Vertical Junction Field Effect Transistors for Power Switching Applications
Government Microcircuits Applications & Critical Technology Conference, 323–326.
Event: Government Microcircuits Applications & Critical Technology Conference
2008 conference paper
VJFET based all-SiC Normally-Off Cascode Switch for High Temperature Power Handling Applications
European Conference on SiC and Related Materials, 000113.
Event: European Conference on SiC and Related Materials at Barcelona
2007 conference paper
1200-V, 50-A, Silicon Carbide Vertical Junction Field Effect Transistors for Power Switching Applications
Abstracts of International Conference on Silicon Carbide and Related Materials. Presented at the International Conference on Silicon Carbide and Related Materials.
Event: International Conference on Silicon Carbide and Related Materials
2007 conference paper
1200-V, 50-A, Silicon Carbide Vertical Junction Field Effect Transistors for Radar Power Supplies
NGES Symposium. Presented at the NGES Symposium.
Event: NGES Symposium
2007 journal article
Demonstration of High-Voltage SiC VJFET Cascode in a Half-Bridge Inverter
Materials Science Forum, 556-557, 979–982.
2007 article proceedings
Exploring the design space of rugged seven lithographic level silicon carbide vertical JFETs for the development of 1200-V, 50-A devices
Presented at the 2007 International Semiconductor Device Research Symposium.
2007 conference paper
Fabrication of a robust high-performance floating guard ring edge termination for power Silicon Carbide Vertical Junction Field Effect Transistors
Compound Semiconductor Manufacturing Technology Conference, 217–220.
Event: Compound Semiconductor Manufacturing Technology Conference
2007 conference paper
High-Yield Processing of Silicon Carbide Vertical Junction Field Effect Transistors for Power Conditioning Applications
Government Microcircuits Applications & Critical Technology Conference, 191–194.
Event: Government Microcircuits Applications & Critical Technology Conference
2007 article proceedings
Large Area Silicon Carbide Vertical Junction Field Effect Transistors for High Temperature Power Conditioning Applications
2007 conference paper
Novel 1 kv, normally-off, vertically integrated, dual-gate VJFET power switch with a low 4.6 mωcm2 on-state resistance
2007 65th Annual Device Research Conference, 29–30.
2007 conference paper
Recent progress in 300°C silicon carbide JFET technology for power conditioning in electric vehicles
7th International All Electric Combat Vehicle Conference. Presented at the 7th International All Electric Combat Vehicle Conference.
Event: 7th International All Electric Combat Vehicle Conference
2007 conference paper
SiC VJFET based Normally-Off Cascode Switches for 1200 V Power Conditioning Applications
Microsystems Technology Symposium. Presented at the Microsystems Technology Symposium.
Event: Microsystems Technology Symposium
2006 article proceedings
2.1 mΩ-cm2, 1.6 kV 4H-Silicon Carbide VJFET for Power Applications
2006 conference paper
Demonstration of high-voltage SiC VJFET cascode in a half-bridge inverter
Abstracts of European Conference on Silicon Carbide and Related Materials. Presented at the European Conference on Silicon Carbide and Related Materials.
Event: European Conference on Silicon Carbide and Related Materials
2006 conference paper
High Current [200 A], Low Resistance (0.87 mΩ-cm/sub 2/) Normally-off SiC VJFETs for Power Switching Applications
2005 International Semiconductor Device Research Symposium, 306–307.
2006 conference paper
High-Yield Silicon Carbide Vertical Junction Field Effect Transistor Manufacturing for RF and Power Applications
Northrop Grumman Materials Forum. Presented at the Northrop Grumman Materials Forum.
Event: Northrop Grumman Materials Forum
2006 conference paper
High-Yield Silicon Carbide Vertical Junction Field Effect Transistor Manufacturing for RF and Power Applications
Compound Semiconductor Manufacturing Technology Conference, 219–222.
Event: Compound Semiconductor Manufacturing Technology Conference
2006 conference paper
Silicon Carbide VJFETs for High-Frequency Cascode Circuits in Power Conversion Applications
Government Microcircuits Applications & Critical Technology Conference, 198–201.
Event: Government Microcircuits Applications & Critical Technology Conference
2006 conference paper
Silicon Carbide Vertical Junction Field Effect Transistors for RF Applications: Processing, DC Testing, and Yields
IEEE Lester Eastman Conference on High Performance Devices, 77.
Event: IEEE Lester Eastman Conference on High Performance Devices
2005 conference paper
All SiC JFET Cascode Switch for Power Applications
2005 Army Packaging Workshop. Presented at the 2005 Army Packaging Workshop, Army Research Laboratory, Adelphi MD.
Event: 2005 Army Packaging Workshop at Army Research Laboratory, Adelphi MD
2005 article proceedings
Silicon Carbide JFET Cascode Switch for Power Conditioning Applications
2005 conference paper
Silicon Carbide Power Electronics: Pushing Materials to their Limits
Northrop Grumman Materials Forum. Presented at the Northrop Grumman Materials Forum.
Event: Northrop Grumman Materials Forum
2002 conference paper
A practical approach to wavelength selectable DWDM sources
LEOS 2001. 14th Annual Meeting of the IEEE Lasers and Electro-Optics Society (Cat. No.01CH37242), 1, 171–172.
2002 report
Microchannel High Resolution X-ray Sensor Having an Integrated Photomultiplier
(Patent No. US 6,452,184).
2001 report
Composite nanophosphor screen for detecting radiation having optically reflective coatings
(Patent No. US 6,300,640).
2001 journal article
SIZE VARIATION OF Tb-DOPED Gd2O3 NANOPARTICLES STUDIED BY X-RAY EXCITED LUMINESCENCE AND DIFFRACTION
Modern Physics Letters B, 15(06n07), 205–211.
1999 report
Composite nanophosphor screen for detecting radiation
(Patent No. EP 1049946).
1999 journal article
Controlled agglomeration of Tb-doped Y2O3 nanocrystals studied by x-ray absorption fine structure, x-ray excited luminescence, and photoluminescence
Applied Physics Letters, 75(16), 2464–2466.
1998 journal article
Studies of Y2O3:Tb Nanocrystals Using EXAFS and XEL Methods
Bulletin of the American Physical Society, 43, 291.
1998 journal article
Transformation of Deep Impurities to Shallow Impurities by Quantum Confinement
Physica Status Solidi B, 210(2), 621–629.
1998 conference paper
Transformation of deep impurities to shallow impurities by quantum confinement
8th International conference on shallow-level centers in semiconductors. Presented at the 8th International conference on shallow-level centers in semiconductors, Montpelier, France.
Event: 8th International conference on shallow-level centers in semiconductors at Montpelier, France on July 28-31, 1998
1998 journal article
X-ray excited luminescence and local structures in Tb-doped Y2O3 nanocrystals
Journal of Applied Physics, 83(10), 5404–5409.
1997 conference paper
Doped nanocrystalline phosphors for next generation displays
Materials Research Society Meeting. Presented at the Materials Research Society Meeting.
Event: Materials Research Society Meeting
1997 journal article
Engineering of the nonradiative transition rates in nonpolar modulation-doped multiple quantum wells
Journal of the Optical Society of America B, 14(5), 1043.
1997 journal article
Evidence of strong sequential band filling at interface islands in asymmetric coupled quantum wells
Superlattices and Microstructures, 22(4), 497–503.
1996 journal article
Engineering of the nonradiative transition rates in modulation-doped multiple-quantum wells
IEEE Journal of Quantum Electronics, 32(7), 1155–1160.
1996 conference paper
Impurity scattering enhancement of the acoustic phonon limited intersubband transition rate
1996 Conference on Lasers and Optoelectronics Technical Digest, 9, 417.
Event: Conference on Lasers and Optoelectronics Technical Digest at Anaheim California
1996 conference paper
Large blue shift due to band-filling at interface islands in coupled quantum wells
1996 Quantum Electronics and Laser Science Conference Technical Digest, 10, 19.
Event: Quantum Electronics and Laser Science Conference Technical Digest at Anaheim California
1996 journal article
Spatially localized band-gap renormalization and band-filling effects in three growth-interrupted multiple asymmetric coupled narrow quantum wells
Journal of the Optical Society of America B, 13(3), 536.
1995 journal article
Acoustic-phonon-assisted tunneling of heavy holes between asymmetric coupled quantum wells
Bulletin of the American Physical Society, MYY4.
Event: 1995 Interdisciplinary Laser Science
1995 journal article
Investigation of the temperature dependent recombination processes in periodic four-narrow-asymmetric-coupled-quantum-well structures
Journal of Luminescence, 63(1-2), 55–61.
1994 conference paper
Excitonic emission linewidth broadening in asymmetric superlattices
Optical Society of America Annual Meeting. Presented at the Optical Society of America Annual Meeting.
Event: Optical Society of America Annual Meeting
1994 journal article
Investigation of the photoluminescence-linewidth broadening in periodic multiple narrow asymmetric coupled quantum wells
Physical Review B, 50(7), 4463–4469.
1994 journal article
Nonradiative recombination and saturation of traps in multiple intrinsic quantum wells
Journal of Applied Physics, 75(3), 1727–1732.
1994 conference paper
Observation of intensity-induced photoluminescence linewidth broadening in periodic asymmetric coupled quantum wells
IEEE Digest: Nonlinear Optics: Materials, Fundamentals and Applications Conference, 236.
Event: Nonlinear Optics: Materials, Fundamentals and Applications Conference at Waikoloa Hawaii on July 25-29, 1994
1994 journal article
The application of quantum-well modulators in satellite instrument design
Johns Hopkins Applied Physics Laboratory Technical Digest, 15, 7.
1993 article proceedings
Electroabsorption modulation at 1.27-1.31 µm in multiple narrow In0.53Ga0.47As/Al0.48In0.52 as quantum wells
1993 article proceedings
Recombination processes in multiple-four narrow asymmetric coupled quantum wells: dependence on excitation intensity and temperature
1993 article proceedings
Saturation of trapping and nonradiative recombination in multiple undoped quantum wells
1993 conference paper
Temperature dependent photoluminescence linewidth broadening in periodic four-narrow-asymmetric-coupled-quantum well-structure
1993 Photochemical Sciences Colloquium: Diversity in Research. Presented at the Photochemical Sciences Colloquium: Diversity in Research, Bowling Green, OH.
Event: Photochemical Sciences Colloquium: Diversity in Research at Bowling Green, OH
1993 journal article
Temperature-dependent photoluminescence linewidth broadening in multiple four narrow asymmetric coupled quantum wells
Bulletin of the American Physical Society, 38, 1754.
Event: 1993 Interdisciplinary Laser Science at Toronto Canada