Raj Kumar.J.S.

@karunya.edu

Assistant Professor in the Department of Computer Science and Engineering
Karunya Institute of Technology and Sciences

RESEARCH INTERESTS

Device Modelling
High power VLSI Design
HEMT
Nano electronics
31

Scopus Publications

185

Scholar Citations

7

Scholar h-index

4

Scholar i10-index

Scopus Publications

RECENT SCHOLAR PUBLICATIONS

  • Few-Shot Urgency Classification of Crisis Tweets via Multi-View Feature Learning
    S Renimol, JS Rajkumar
    2026 IEEE International Conference on Interdisciplinary Approaches in … , 2026
    2026
  • Multi-Domain EEG Fusion and Hybrid Ensembles for ADHD Subtype Intelligence
    AA Mathew, NV Babu, JS Rajkumar
    2026 IEEE International Conference on Interdisciplinary Approaches in … , 2026
    2026
  • Deep Unfolding-Based Graph Transformer Framework for Early Detection of Diabetic Retinopathy Using OCT Images
    A Bose, NV Babu, JS Rajkumar
    2026 4th International Conference on Intelligent Data Communication … , 2026
    2026
  • Adaptive Temporal–Spatial Attention Framework for Early Epileptic Seizure Prediction Using Multichannel EEG Signals
    J Chris, NV Babu, JS Rajkumar
    2026 Sixth International Conference on Advances in Electrical, Computing … , 2026
    2026
  • MediScan: An AI-Powered Multi-Disease Diagnostic Support System Using Medical Imaging
    AM Thomas, JS Rajkumar, NV Babu
    2025 4th International Conference on Applied Artificial Intelligence and … , 2025
    2025
  • HematoScribe AI: A Transparent & Explainable System for Bone Marrow Cell Analysis
    S Sam, RK JS, NV Babu, RG Nancy
    2025 6th International Conference on IoT Based Control Networks and … , 2025
    2025
  • Multi-Modal AI Personal Health Risk Prediction and Early Alert System
    AB Abraham, RK JS, NV Babu, RG Nancy
    2025 4th International Conference on Automation, Computing and Renewable … , 2025
    2025
  • Explainable Digital Twin Framework for Aircraft Engine Maintenance
    CJ George, JS Rajkumar, NV Babu
    2025 International Conference on NexGen Networks and Cybernetics (IC2NC … , 2025
    2025
  • Semantic Kernel for Software Engineering: A Multi-Agent Framework for Autonomous Development Lifecycles
    BV Adithya, RK JS, NV Babu
    2025 9th International Conference on Electronics, Communication and … , 2025
    2025
  • Nanosheet transistors: materials, devices, systems and applications
    A Angelin Delighta, JS Raj Kumar, IV Binola K Jebalin, D Nirmal
    Journal of Materials Science 60 (16), 6769-6806 , 2025
    2025
    Citations: 3
  • Forest wildfire detection from satellite image using deep learning
    D Elizaroshan, JSR Kumar
    2024 International Conference on Communication, Computing and Internet of … , 2024
    2024
    Citations: 2
  • Monitoring industrial protection gear using intelligent system
    M Yakubraj, JS Rajkumar, S Sophas Samuel, G Matthew Palmer, ...
    2024 2nd International Conference on Networking and Communications (ICNWC), 1-6 , 2024
    2024
    Citations: 5
  • Investigations of ScAlN/AlGaN split barrier inspired high electron mobility transistor
    JSR Kumar, D Nirmal, HVD John, KB Jebalin
    AIP Conference Proceedings 2901 (1), 080018 , 2023
    2023
    Citations: 2
  • A comprehensive review of AlGaN/GaN High electron mobility transistors: Architectures and field plate techniques for high power/high frequency applications
    JSR Kumar, HV Du John, BKJ IV, J Ajayan, D Nirmal
    Microelectronics Journal 140, 105951 , 2023
    2023
    Citations: 43
  • Anesthetic Management in a 4-Year-Old Child Undergoing Removal of a Gemstone Tracheobronchial Foreign Body
    R Kumar, TK Jayakumar, A Sinha, S Kumar
    Journal of Indian Association of Pediatric Surgeons 28 (5), 448-449 , 2023
    2023
  • Simulation Study of Stacked Oxide Layer NCFET for RF Applications
    VS Navya, HV Du John, JSR Kumar, A Franklin, D Nirmal
    2023 8th International Conference on Communication and Electronics Systems … , 2023
    2023
  • Investigation on Fe-Doped AlGaN/GaN HEMT at 148 GHz Using E-FPL Technology for High-Frequency Communication Systems
    SA Franklin, S Chander, JSR Kumar, J Ajayan, D Nirmal
    ECS Journal of Solid State Science and Technology 12 (3), 035006 , 2023
    2023
    Citations: 4
  • Investigation on L G = 50 nm Tapered T-Gated AlGaN/GaN HEMT on Silicon Wafer with a f T /f max of 264/312 GHz for beyond 5G (B5G) Applications
    JSR Kumar, D Nirmal, J Ajayan, S Tayal
    Silicon 14 (17), 11315-11322 , 2022
    2022
    Citations: 10
  • Design and simulation of a T-gated AlGaN/GaN HEMT with added mini field plate
    JSR Kumar, D Nirmal, HV Du John, SA Franklin, G Samuel
    2022 3rd International Conference on Electronics and Sustainable … , 2022
    2022
    Citations: 3
  • Intensive study of field-plated AlGaN/GaN HEMT on silicon substrate for high power RF applications
    JSR Kumar, D Nirmal, MK Hooda, S Singh, J Ajayan, L Arivazhagan
    Silicon 14 (8), 4277-4282 , 2022
    2022
    Citations: 23

MOST CITED SCHOLAR PUBLICATIONS

  • Improved RF and DC performance in AlGaN/GaN HEMT by P-type doping in GaN buffer for millimetre-wave applications
    L Arivazhagan, D Nirmal, D Godfrey, J Ajayan, P Prajoon, ASA Fletcher, ...
    AEU-International Journal of Electronics and Communications 108, 189-194 , 2019
    2019
    Citations: 55
  • A comprehensive review of AlGaN/GaN High electron mobility transistors: Architectures and field plate techniques for high power/high frequency applications
    JSR Kumar, HV Du John, BKJ IV, J Ajayan, D Nirmal
    Microelectronics Journal 140, 105951 , 2023
    2023
    Citations: 43
  • Intensive study of field-plated AlGaN/GaN HEMT on silicon substrate for high power RF applications
    JSR Kumar, D Nirmal, MK Hooda, S Singh, J Ajayan, L Arivazhagan
    Silicon 14 (8), 4277-4282 , 2022
    2022
    Citations: 23
  • Investigation on L G = 50 nm Tapered T-Gated AlGaN/GaN HEMT on Silicon Wafer with a f T /f max of 264/312 GHz for beyond 5G (B5G) Applications
    JSR Kumar, D Nirmal, J Ajayan, S Tayal
    Silicon 14 (17), 11315-11322 , 2022
    2022
    Citations: 10
  • AlGaN/GaN HEMT for highly sensitive detection of Bio-molecules using transconductance method
    PP Kumar Reddy, SB Lakshmi, L Arivazhgan, JS Raj Kumar, D Nirmal
    IOP conference series: materials science and engineering 872 (1), 012048 , 2020
    2020
    Citations: 8
  • Modeling of self-heating for AlGaN/GaN HEMT with thermal conductivity degradation effect
    L Arivazhagan, D Nirmal, J Ajayan, D Godfrey, JS Rakkumar, SB Lakshmi
    AIP Conference Proceedings 2201 (1), 020010 , 2019
    2019
    Citations: 7
  • DC Performance analysis of AlGaN/GaN HEMT for future High power applications
    PP Pandit, L Arivazhagan, P Prajoon, JS Rajkumar, J Ajayan, D Nirmal
    2018 4th International Conference on Devices, Circuits and Systems (ICDCS … , 2018
    2018
    Citations: 7
  • Monitoring industrial protection gear using intelligent system
    M Yakubraj, JS Rajkumar, S Sophas Samuel, G Matthew Palmer, ...
    2024 2nd International Conference on Networking and Communications (ICNWC), 1-6 , 2024
    2024
    Citations: 5
  • Variable thermal resistance model of GaN-on-SiC with substrate scalability
    L Arivazhagan, D Nirmal, S Chander, J Ajayan, D Godfrey, JS Rajkumar, ...
    Journal of Computational Electronics 19 (4), 1546-1554 , 2020
    2020
    Citations: 5
  • Investigation on Fe-Doped AlGaN/GaN HEMT at 148 GHz Using E-FPL Technology for High-Frequency Communication Systems
    SA Franklin, S Chander, JSR Kumar, J Ajayan, D Nirmal
    ECS Journal of Solid State Science and Technology 12 (3), 035006 , 2023
    2023
    Citations: 4
  • Self-heating analysis of GaN-HEMT for various ambient temperature and substrate thickness
    L Arivazhagan, AHM Jarndal, S Chander, D Godfrey, RK JS, ...
    2020 5th International Conference on Devices, Circuits and Systems (ICDCS … , 2020
    2020
    Citations: 4
  • Nanosheet transistors: materials, devices, systems and applications
    A Angelin Delighta, JS Raj Kumar, IV Binola K Jebalin, D Nirmal
    Journal of Materials Science 60 (16), 6769-6806 , 2025
    2025
    Citations: 3
  • Design and simulation of a T-gated AlGaN/GaN HEMT with added mini field plate
    JSR Kumar, D Nirmal, HV Du John, SA Franklin, G Samuel
    2022 3rd International Conference on Electronics and Sustainable … , 2022
    2022
    Citations: 3
  • Forest wildfire detection from satellite image using deep learning
    D Elizaroshan, JSR Kumar
    2024 International Conference on Communication, Computing and Internet of … , 2024
    2024
    Citations: 2
  • Investigations of ScAlN/AlGaN split barrier inspired high electron mobility transistor
    JSR Kumar, D Nirmal, HVD John, KB Jebalin
    AIP Conference Proceedings 2901 (1), 080018 , 2023
    2023
    Citations: 2
  • Enhancement of drain current in AlGaN/GaN HEMT using AlN passivation
    L Arivazhagan, D Nirmal, J Ajayan, D Godfrey, JS Rajkumar, SB Lakshmi
    AIP Conference Proceedings 2201 (1), 020009 , 2019
    2019
    Citations: 2
  • DC and RF Analysis of AlGaN/GaN MOS-HEMT for High Power Application
    JSR Kumar, D Nirmal, L Arivazhagan, PP Pandit
    2019 2nd International Conference on Signal Processing and Communication … , 2019
    2019
    Citations: 2
  • Few-Shot Urgency Classification of Crisis Tweets via Multi-View Feature Learning
    S Renimol, JS Rajkumar
    2026 IEEE International Conference on Interdisciplinary Approaches in … , 2026
    2026
  • Multi-Domain EEG Fusion and Hybrid Ensembles for ADHD Subtype Intelligence
    AA Mathew, NV Babu, JS Rajkumar
    2026 IEEE International Conference on Interdisciplinary Approaches in … , 2026
    2026
  • Deep Unfolding-Based Graph Transformer Framework for Early Detection of Diabetic Retinopathy Using OCT Images
    A Bose, NV Babu, JS Rajkumar
    2026 4th International Conference on Intelligent Data Communication … , 2026
    2026