François Grandpierron | Electronics | Best Researcher Award

Published on by Young Scientists Awards

Dr. François Grandpierron | Electronics | Best Researcher Award

Institut d’Electronique de Microélectronique et de Nanotechnologie | France

Dr. François Grandpierron is a device-oriented microelectronics researcher specializing in the design, fabrication, simulation, and electrical characterization of GaN-based transistors for RF and power applications. He is currently a Postdoctoral Researcher at IEMN in Lille, leading process development and TCAD simulations for wide bandgap-based RF and power devices, collaborating closely with cleanroom teams and materials researchers to translate epitaxial advances into scalable device architectures. He earned his PhD in Microelectronics and Nanofabrication from the Graduate School ENGineering and SYstem Sciences in Lille, focusing on the design and fabrication of robust GaN HEMTs for millimeter-wave applications, and also holds a Master’s degree in Chemistry with a specialization in Polymers and Surfaces and a Bachelor’s degree in Chemistry from the University of Rouen Normandy. François has extensive hands-on experience with cleanroom processes including electron beam lithography, photolithography, vacuum deposition, plasma and wet etching, reactive ion etching, rapid thermal annealing, and advanced morphological and electrical characterization techniques. He has contributed to European and national projects addressing high-frequency GaN electronics for radar and space applications and has published in high-impact journals while presenting at international conferences, highlighting innovations in buffer engineering, low-trapping effects, and high-electron confinement. His research has been cited by 42 documents with five publications and an h-index of 3. Fluent in French and English, he is proficient with software such as SILVACO, ADS, IC-CAP, and Origin, and maintains active collaborations bridging academia and industry. Outside research, he enjoys running, swimming, biking, kayaking, and exploring diverse cultures across Europe, South America, Africa, and Asia, reflecting a dynamic and globally engaged perspective.

Featured Publications

Hammou, L. B., Grandpierron, F., Carneiro, E., Ziouche, K., Okada, E., Medjdoub, F., & Patriarche, G. (2025). Effect of high temperature RF stress on the trapping behavior of carbon doped AlN/GaN/AlGaN HEMTs. In 2025 IEEE International Reliability Physics Symposium (IRPS) (pp. 1–8). Monterey, CA, USA.

Grandpierron, F., Carneiro, E., Ben-Hammou, L., Moon, J.-S., & Medjdoub, F. (2024). Understanding and quantifying the benefit of graded aluminum gallium nitride channel high-electron mobility transistors. Micromachines, 15(11), 1356.

Shanbhag, A., Grandpierron, F., Harrouche, K., & Medjdoub, F. (2023). Physical insights of thin AlGaN back barrier for millimeter-wave high voltage AlN/GaN on SiC HEMTs. Applied Physics Letters, 123(4), 142102.

Harrouche, K., Venkatachalam, S., Ben-Hammou, L., Grandpierron, F., Okada, E., & Medjdoub, F. (2023). Low trapping effects and high electron confinement in short AlN/GaN-on-SiC HEMTs by means of a thin AlGaN back barrier. Micromachines, 14, 291.

Lei Ren | Electronic Devices | Best Researcher Award

Published on by Young Scientists Awards

Dr. Lei Ren | Electronic Devices | Best Researcher Award

Lecturer at Nantong university, China

Lei Ren  was born in Jiangsu Province, China, in 1991. He earned his B.S. and Ph.D. in Electrical Engineering from Nanjing University of Aeronautics and Astronautics (NUAA) in 2013 and 2019. Currently, he serves as a Lecturer at the School of Electrical and Automation, Nantong University . His research focuses on static inverters  and condition monitoring of power electronic converters . With multiple publications in top IEEE journals , his work contributes to advancements in power electronics and energy efficiency. His expertise in converter design and health monitoring continues to impact the field of electrical engineering. 🚀

Publication Profile

Orcid

Academic Background

Lei Ren embarked on his academic journey in Electrical Engineering  at Nanjing University of Aeronautics and Astronautics (NUAA) 🏫, Nanjing, China. He earned his Bachelor of Science (B.S.) degree in 2013 , laying a strong foundation in the field. Driven by a passion for innovation and research, he pursued a Ph.D. at the same university, successfully completing it in 2019 . His academic achievements reflect his dedication to advancing power electronics  and electrical engineering. Through rigorous studies and research, he continues to contribute to technological advancements in the field. 🚀

Professional Background

Lei Ren is a dedicated Lecturer at the School of Electrical and Automation, Nantong University , where he imparts knowledge and inspires future engineers. His research focuses on static inverters  and the condition monitoring of power electronic converters , aiming to enhance efficiency and reliability in power systems. Passionate about innovation, he explores advanced techniques to improve energy conversion and system diagnostics . Through his academic and research contributions , he plays a vital role in shaping the future of electrical engineering, fostering technological advancements, and mentoring the next generation of engineers. 🚀

Research Focus

Lei Ren is actively engaged in research on static inverters  and condition monitoring of power electronic converters . His work focuses on improving energy efficiency and system reliability. He has published several high-impact papers in prestigious journals, including the IEEE Transactions on Power Electronics and IET Power Electronics 📖. His studies cover topics such as transformerless high-gain converters, capacitor voltage regulation, and health monitoring of power transistors. Through his innovative research, Lei Ren contributes to advancements in power electronics, enhancing the performance and sustainability of modern electrical systems. 🚀

Publication Top Notes

 

1️⃣ Capacitor Voltage Regulation Strategy for 7-Level Single DC Source Hybrid Cascaded Inverter ⚡📖
Year: 2022 | IEEE Journal of Emerging and Selected Topics in Power Electronics

2️⃣ Self-Adaption Dead-Time Setting for the SiC MOSFET Boost Circuit in the Synchronous Working Mode 🔧🔋
Year: 2022 | IEEE Access

3️⃣ Transformer-Less High Gain Three-Port Converter With Low Voltage Stress and Reduced Switches for Standalone PV Systems ☀️⚙️
Year: 2022 |  IEEE Transactions on Power Electronics

4️⃣ A Series Incremental Inductance Detection Based Sensorless Startup Method for DSEM ⚙️🔍
Year: 2021 |  IEEE Transactions on Industrial Electronics

5️⃣ Parameter Identification Based on Linear Model for Buck Converters ⚡📊
Year: 2021 |  Electrical Engineering

Conclusion

Lei Ren is a highly qualified researcher in power electronics with strong technical expertise and impactful publications. His work on inverters and power monitoring systems is significant for modern energy applications. To further strengthen his eligibility for the Best Researcher Award, he could expand collaborations, increase research citations, and take on leadership roles in funded projects. Given his current contributions, he is a strong candidate for the award.