School of Electrical and Computer Sciences

Akshay K

Dr. Akshay K.

Assistant Professor

PRESS RELEASE & HIGHLIGHTS

iVP Semi partners with IIT Bhubaneswar and IIT Bombay for developing next generation Silicon MOSFETs for eV applications : Click here for more information

IIT Bhubaneswar leading the efforts in setting up an industry co-development center on power devices for next generation research and manpower training. Click here for more information

Silicon Carbide Charge Sheet SuperJunction (CSSJ) featured as a promising power device in IITM Techtalk magazine. Click here for more information

DMOS (Device: technology Modeling and Simulation) Research Group
Exchanging the MoU with Ms. Ponni Carlin, COO, iVP Semi.
Receiving memento from Dr. Ravi Mahajan, Intel Fellow,  @ ISPEC
Broad Areas: Power Semiconductor Devices, Sensors, Flash Memory Cells; Materials of Interest: Si, SiC, GaN, Diamond, Metal oxides.

Dr. Akshay K. received a B.Tech degree in Electronics and Communication Engineering from NIT Calicut, in 2017 and an accelerated Ph.D. with M.S. in Electrical Engineering from IIT Madras in 2022 with Prime Minister’s Research Fellowship. His research interests include the design, and development of (a) power semiconductor devices based on silicon carbide as well as emerging materials like diamond, and (b) flash memory cells. He is the recipient of the Institute Research Award issued by IIT Madras and AWSAR Award issued by DST, Govt. of India. Prior to joining IIT Bhubaneswar he was a Senior Semiconductor Device Engineer in the Technology Development Group at Micron Technology Inc., where he was involved in the design and optimization of biasing schemes for next-generation non-volatile 3D-NAND flash memory transistor arrays.

Funding agency Budget in lakhs (INR) Start Date End Date Title PI/Co-PI
iVP Semi (consultancy) $ 100K USD Apr 2025 Apr 2027 Design and Development of Si MOSFETs for eV application PI
ANRF 72 March 2025 March 2028 Design and Characterization of SiC Trench MOSFETs for Next Generation Power Electronic Applications PI
IIT Bhubaneswar 20 Oct 2025 Oct 2027 Simulation, Design and Feasibility Investigation of Superjunction based Power Devices in 4H-SiC Material PI
INUP-i2i

(@IIT Bombay NF)

in-kind support Oct 2024 Oct 2025 Investigation of Al2O3/SiO2 Interface on Silicon Carbide Substrate to study the feasibility of Charge Sheet Super Junction PI

Theory Courses

  1. Power Semiconductor Devices (Jan-May 2025)
  2. VLSI Design (Jan-May 2024)
  3. Microprocessor and Microcontroller (Jul – Nov 2023)

Laboratory Courses

  1. VLSI Design Lab (Jan-May 2024 & 2025)
  2. Microprocessor and Microcontroller Lab (Jul – Nov 2023)
  3. Electrical Technology Lab (Jul- Nov 2023)
Ph.D (Ongoing)
             Name         Tenure      Role                                                 Topic
Kazi Wakar Hasan

 

Rachita Mohapatra

Jul2024-Ongoing

Jul 2023-Ongoing

Supervisor

 

Supervisor

Si MOSFETs for eV Application

 

SiC Superjunction Devices

Swadhin Kumar Jena Jan 2023-Ongoing Co-Supervisor Investigation of Al2O3/SiO2 Bilayer on Si and SiC Substrates for Power Device Applications

 

 

  1. Singh, S.Karmalkar, and K. Akshay, “Humidity and Ring Spacing Variation Tolerant Design of a SiC Power MOSFET Using Mirrored Floating Field Rings”, Microelectronics Journal, vol. 158, p. 106611, Apr. 2025.
  2. Singh, S.Karmalkar, and K. Akshay, “Improved Short Circuit Performance of Silicon Carbide VD-MOSFETs Using an Additional P+ Implant”, Microelectronics Reliability, vol. 166, pp.115614, Apr. 2025.
  3. Mahalik, K. Akshay, S. Dey, “A 2D-MoS2-Based Thin-Film Transistor for Trace-Level SO2 Monitoring,” IEEE Transactions on Electron Devices, vol. 72, no. 1, pp. 390-396, Jan. 2025.
  4. Anuvindh R, S. Mahalik, A. Roy, Akshay, S. Dey, “Conductance Spectroscopy: A Novel Technique for Ultra Selective Chemical Detection,” IEEE Sensors Journal, vol. 24, no. 24, pp. 40417 – 40422, Nov. 2024.
  5. K. Akshay and S. Karmalkar, “Optimum Aspect Ratio of Superjunction Pillars Considering Charge Imbalance,” IEEE Transactions on Electron Devices, vol. 68, no. 4, pp. 1798-1803, Apr. 2021.
  6. K. Akshay and S. Karmalkar, “Improved Theoretical Minimum of the Specific On-Resistance of a Superjunction,” Semiconductor Science and Technology, vol. 36, no. 1, p. 015021, Dec. 2020.
  7. K. Akshay and S. Karmalkar, “Note Clarifying “Charge Sheet Super Junction in 4H-Silicon Carbide: Practicability, Modeling and Design”,” IEEE Journal of the Electron Devices Society, vol. 8, pp.1315-1316, Oct. 2020.
  8. K. Akshay and S. Karmalkar, “Charge Sheet Super Junction in 4H-Silicon Carbide: Practicability, Modeling and Design,” IEEE Journal of the Electron Devices Society, vol. 8, pp. 1129-1137, Sep. 2020.
  9. K. Akshay and S. Karmalkar, “Quick Design of a Superjunction Considering Charge Imbalance Due to Process Variations”, IEEE Transactions on Electron Devices, vol. 67, no. 8, pp. 3024 3029, Aug. 2020.
  10. M. G. Jaikumar, K. Akshay, and S. Karmalkar, “An algorithm to design floating field rings in SiC and Si power diodes and MOSFETs”, Solid-State Electronics, vol.156, pp.73-78, Jun. 2019.
  1. K. J. Swadhin, P. Chiranjeebi, K.Akshay, P.V. Satyam, “Investigation of Al2O3/SiO2 Interface Charge for the Feasibility Study of Charge Sheet Super Junction”, in Proc. IEEE Electron Devices Technology & Manufacturing Conference, 2025.
  2. Mrinmoy, K. Prathamesh, and K. Akshay, “TCAD based Study of String Current Variability in 3D NAND Flash Memory”, in Proc. 38th IEEE International Conference on VLSI Design, 2025.
  3. P. Singh, K. Akshay, H.L.R. Maddi, A. Agarwal, S. Karmalkar, Design of the Drift Layer of 0.6-1.7 kV Power Silicon Carbide MOSFETs for Enhanced Short Circuit Withstand Time, in Proc. IEEE Electron Devices Technology & Manufacturing Conference, 2023. DOI: 10.1109/EDTM55494.2023.10103006
  4. K. Akshay, M. G. Jaikumar and S. Karmalkar, Charge Sheet Super Junction in 4H-Silicon Carbide, in Proc. IEEE Electron Devices Technology & Manufacturing Conference, 2020. DOI: 10.1109/EDTM47692.2020.9117845
  5. K. Akshay, R. P. Parvathy, and B. Bhuvan, Enhancement of Full Well Capacity of a Pinned Photodiode, International Workshop on the Physics of Semiconductor Devices, 2019.
  6. K. Akshay, M. Moun, R. Singh, and S. Karmalkar, TCAD Simulation of the Measured I-V Behaviour of Schottky Contacts on Exfoliated MoS2 Flakes, IEEE International Conference on Emerging Electronics, 2018.
  7. K. Akshay, R. P. Parvathy, and B. Bhuvan, System Level Design of a Novel CMOS Image Sensor with High Dynamic Range and Fill Factor, in Proc. IEEE TENCON, 2019. DOI: 10.1109/TENCON.2019.8929325
  8. K. Akshay, R. P. Parvathy, and B. Bhuvan, Analytical Modeling of Response Time and Full Well Capacity of a Pinned Photo Diode, in Proc. IEEE International Conference on Design & Technology of Integrated Systems in Nanoscale Era, 2018. DOI: 10.1109/DTIS.2018.8368568
  9. K. Akshay, R. P. Parvathy, and B.Bhuvan, Optimum length of a pinned photodiode, in Proc. IEEE International Conference on Electron Devices and Solid-State Circuits, 2017. DOI: 0.1109/EDSSC.2017.8126451
Program Discipline Institution CGPA  Year of Completion
Accelerated Ph.D. (with MS) Electrical Engineering IIT Madras 9.76/10 2022
B.Tech Electronics and Communication Engineering NIT Calicut 9.28/10 2017

Post-PhD Experience

  • Assistant Professor                        Oct 2023 – Present
    • School of Electrical and Computer Sciences, Indian Institute of Technology Bhubaneswar
    • Consultant to multiple power device companies and also the Principal Investigator of multiple government and industry projects
    • Currently supervising three Ph.D scholars, teaching one theory course and two labs.
  • Director and Co-Founder            Apr 2024 – Present
    • Nano Semic Pvt. Ltd.: Company based on semiconductor products and service
  • Visiting Assistant Professor                    May 2023 – Oct 2023
    • School of Electrical Sciences, Indian Institute of Technology Bhubaneswar
  • Senior Engineer NAND Device, Technology Development                            Aug 2022 – Mar 2023
    • Micron Technology, Inc.: Responsible for the design and optimization of biasing schemes for next-generation non-volatile 3D-NAND flash memory transistor arrays.
  • Post-Doctoral Fellow       May 2022 – July 2022
    • IIT Madras: Appointed for submitting the Ph.D. thesis within 5 years.
    • Proposed a novel drift layer design method for increasing the breakdown voltage of SiC-Power MOSFETs by up to 68 % with just 6% increase in specific on-resistance. This work was done in collaboration with Prof. Anant Agarwal’s group at Ohio State University.
    • Internships and research assignments in collaboration with several leading academic groups in abroad (in Ohio State University, Purdue University) and India (in IIT Delhi, IISc, and NIT Calicut), industry (RIR Power Electronics Ltd.) , and research lab (SSPL under DRDO).
  • Best Research Poster Award: Issued by ISPEC 2025 organizing committee.
  • AWSAR Award 2021: Issued by the Department of Science and Technology, Govt. of India for “disseminating the research outputs of Ph.D. among the masses in an easy to understand and interesting format to a common man”
  • Institute Research Award 2021: Issued by IIT Madras as a “recognition of the quality and quantity of research during Ph.D.”.
  • Prime Minister’s Research Fellowship 2019: Issued by the Ministry of Education, Govt. of India; The flagship Ph.D. fellowship that “seeks to attract the country’s best talent into research”.
  • Best Major Project Award 2017: Issued by NIT Calicut as a “recognition of the quality and quantity of work done as a part of B.Tech project”.

Administrative Responsibilities @ IIT Bhubaneswar

  • UG Coordinator of Department of ECE                                                            October 2024-Present                                                                                                                
  •  Professor in Charge (IDEA Lab)                                                                         July 2024 – Present                                                                                                                
  •  Professor in Charge (Micro Fabrication and Characterization Lab)   May 2024 – Present                                                                                                                
  • Faculty Coordinator for Placements and Internships (ECE)                    May 2024 – Present                                                                                                                
  • SES Aesthetics Committee Member                                                                    May 2024 – Present                                                                                                                

 

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