Dr. Chitrakant   Sahu

Department Electronics & Telecom. Engineering
Designation Professor
Educational Qualification Ph.D
E-Mail csahu.etc@nitrr.ac.in
Contact Number 9549655371
Areas of Interest

VLSI and Microelectronics, Non-Classical CMOS Devices and Sensors

  
Publications

📘 2026

Conference Publications

  1. P. Bhargav and C. Sahu, “Low-power logic circuit realization using dual-gate tunnel FETs with Ge–Si heterostructures,” in Proc. SPIE Optical and Wireless Technologies (OWT), 2026.

📘 2025

Journal Publications

  1. D. Srikanya, C. Sahu, G. Gopal, A. K. Johar, and T. Varma, “Dielectric modulated a-IGZO TFT biosensor: a cost-effective design for enhanced biomolecule detection,” Physica Scripta, vol. 100, no. 12, pp. 125021, 2025.
  2. A. Patle, K. K. Nigam, and C. Sahu, “Temperature investigation of step-T-shaped channel tunnel field-effect transistor biosensor for high sensitivity,” Measurement, pp. 118750, 2025.

Conference Publications

  1. M. Kumar, C. Sahu, and A. Naugarhiya, “Performance investigation of bulk planar junctionless field effect transistor (BP-JLFET) for hydrogen gas sensitivity,” in Proc. IEEE ICEE, 2025.
  2. R. R. Janghel and C. Sahu, “Performance prediction of pH sensitive double gate ion-sensitive field effect transistor using machine learning techniques,” in Proc. ICDSINC, 2025.
  3. C. Sahu, “Design and performance evaluation of electrically doped tunnel FETs with Si(1−x)Ge(x) source for improved ON current,” in Proc. Int. Conf. Electronic and Computer Engineering (ECE), 2025.
  4. D. Srikanya, C. Sahu “Performance impact of source/drain contact offset in ZnO TFTs: overlap, underlap, and aligned,” in Proc. IEEE IATMSI, 2025. 

📘 2024

Journal Publications

  1. R. Poonia, C. Periasamy, A. M. Bhat, L. Bhargava, and C. Sahu, “Performance assessment of AlGaN/GaN HEMT for human serum albumin detection using charge deduction methodology,” IEEE Sensors Journal, vol. 24, no. 10, pp. 15784–15792, 2024.
  2. R. Poonia, C. Periasamy, A. M. Bhat, L. Bhargava, and C. Sahu, “A comprehensive simulation study on dual segment AlGaN/GaN HEMT for mercury ion detection,” Materials Science and Engineering: B, vol. 301, pp. 117204, 2024.

Conference Publications

  1. V. Dixit, R. K. Dadsena, and C. Sahu, “Scalability analysis and performance investigation of ion-sensitive gated bipolar transistor (ISBiT) for pH sensing application,” in Proc. COSMIC, 2024.

📘 2023

Journal Publications

  1. S. Chaudhary, B. Dewan, D. Singh, and C. Sahu, “Proposal and performance evaluation of delta doped negative capacitance tunneling field transistor: A simulation study,” Micro and Nanostructures, vol. 174, p. 207498, 2023.
  2. R. Sharma, A. M. Joshi, C. Sahu, and S. J. Nanda, “Temporal and consumer driven cluster analysis for identification of FDI attacks in smart grid,” Int. J. Numer. Model.: Electron. Netw., Devices Fields, vol. 36, no. 5, p. e3145, 2023.
  3. D. Srikanya, N. Shafi, and C. Sahu, “Design and performance projection of virtually doped dual gate junctionless IMOS,” Silicon, vol. 15, no. 14, pp. 6061–6072, 2023.
  4. R. Sharma, A. M. Joshi, C. Sahu, and S. J. Nanda, “Detection of false data injection in smart grid using PCA based unsupervised learning,” Electrical Engineering, vol. 105, no. 4, pp. 2383–2396, 2023.
  5. D. Srikanya, A. M. Bhat, and C. Sahu, “Design and analysis of high-performance double-gate ZnO nano-structured thin-film ISFET for pH sensing applications,” Microelectronics Journal, vol. 137, p. 105811, 2023.
  6. S. Chaudhary, B. Dewan, D. Singh, and C. Sahu, “Impact of interface trap charges on analog/RF and linearity performances of PGP negative capacitance FET,” Microelectronics Reliability, vol. 143, p. 114954, 2023.
  7. S. Chaudhary, B. Dewan, D. Singh, and C. Sahu, “Exploration of temperature stability of linearity and RF performance metrics for PGP negative capacitance FET,” Semiconductor Science and Technology, vol. 38, no. 3, p. 035024, 2023.


📘 2022

Journal Publications

  1. A. Porwal, N. Shafi, and C. Sahu, “Fabrication and pH sensing characteristics measurement of back gate ZnO thin film planar FET,” Silicon, vol. 14, pp. 16871–16898, 2022.
  2. R. Poonia, A. M. Bhat, C. Periasamy, and C. Sahu, “Performance analysis of MOS-HEMT as a biosensor: A dielectric modulation approach,” Silicon, vol. 14, pp. 10023–10036, 2022.
  3. N. Shafi, A. M. Bhat, J. S. Parmar, C. Sahu, and C. Periasamy, “Biologically sensitive FETs: Holistic design considerations,” Silicon, vol. 14, pp. 9237–9261, 2022.
  4. R. Poonia, A. M. Bhat, C. Periasamy, and C. Sahu, “A highly sensitive nano gap embedded AlGaN/GaN HEMT sensor,” Micro and Nanostructures, vol. 169, p. 207342, 2022.
  5. S. Chaudhary, B. Dewan, C. Sahu, and M. Yadav, “Steep-subthreshold slope dual gate negative capacitance junctionless FET,” Microelectronics Journal, vol. 127, p. 105518, 2022.
  6. S. Chaudhary, B. Dewan, C. Sahu, and M. Yadav, “Effect of negative capacitance in partially ground plane based SELBOX FET,” Silicon, vol. 14, pp. 7099–7108, 2022.
  7. J. S. Parmar, N. Shafi, and C. Sahu, “Electrical characterization of junctionless ISFET,” Silicon, vol. 14, pp. 6829–6836, 2022.
  8. N. Shafi, A. M. Bhat, J. S. Parmar, A. Porwal, C. Sahu, and C. Periasamy, “Schottky buried metal layer planar JLFET,” Silicon, vol. 14, pp. 9461–9463, 2022.
  9. N. Shafi, A. M. Bhat, J. S. Parmar, C. Sahu, and C. Periasamy, “Geometry and temperature effects on pH sensing FET,” Micro and Nanostructures, vol. 163, pp. 107186, 2022.
  10. R. Saha and C. Sahu, “Influence of dielectric material near tunnel junction,” Int. J. RF Microw. Comput.-Aided Eng., vol. 32, 2022.

Conference Publications

  1. R. Sharma, A. M. Joshi, C. Sahu, G. Sharma, K. T. Akindeji, and S. Sharma, “Semi supervised cyber attack detection system,” in Proc. SAUPEC, 2022.

📘 2021

Journal Publications

  1. A. M. Bhat, N. Shafi, C. Sahu, and C. Periasamy, “Analysis of AlGaN/GaN HEMT,” J. Electron. Mater., vol. 50, pp. 2186–2227, 2021.
  2. A. M. Bhat, N. Shafi, C. Sahu, and C. Periasamy, “HEMT pH sensor sensitivity,” IEEE Sensors Journal, vol. 21, no. 18, pp. 19753–19761, 2021.
  3. N. Shafi, J. S. Parmar, A. Porwal, A. M. Bhat, C. Sahu, and C. Periasamy, “GAA junctionless BioFET,” Silicon, vol. 13, pp. 2041–2052, 2021.
  4. J. S. Parmar, N. Shafi, and C. Sahu, “Triple-gate junctionless BioFET,” Silicon, vol. 13, pp. 1391–1401, 2021.
  5. J. S. Parmar and C. Sahu, “CMOS-compatible pH sensor,” IEEE Trans. Device Mater. Rel., vol. 21, no. 2, 2021.
  6. N. Shafi, A. M. Bhat, J. S. Parmar, C. Sahu, and C. Periasamy, “Surface potential modeling,” IEEE Trans. Nanotechnol., vol. 20, pp. 534–542, 2021.

Conference Publications

  1. A. Porwal, C. Sahu, and C. Periasamy, “DG-JLFET analysis,” in Proc. IEEE iSES, 2021.
  2. S. Chaudhary, B. Dewan, C. Sahu, and M. Yadav, “Negative capacitance JLFET,” in Proc. IEEE iSES, 2021.
  3. G. Saxena, C. Sahu, and A. M. Joshi, “IoT pH detection,” in Proc. IEEE iSES, 2021.
  4. J. S. Parmar, A. Bhat, N. Shafi, A. Porwal, C. Periasamy, and C. Sahu, “Current drift analysis,” in Proc. IEEE iSES, 2021.

📘 2020

Journal Publications

  1. N. Shafi, C. Sahu, and C. Periasamy, “Analytical modeling of surface potential and drain current for virtually doped symmetrical dielectric modulated BioFET,” IEEE Sensors Journal, vol. 20, no. 9, pp. 4749–4757, 2020.

Conference Publications

  1. S. Chaudhary and C. Sahu, “Simulation study based performance projection of negative capacitance FET,” in Proc. IEEE INDICON, 2020.
  2. N. Shafi, J. S. Parmar, A. Porwal, A. M. Bhat, C. Sahu, C. Periasamy, and S. Majumdar, “Back gate tunable thin film α-Si nanowire BioFET for pH detection by compatible CMOS fabrication process,” in Proc. IEEE Electron Devices Technology and Manufacturing Conf. (EDTM), 2020.
  3. S. Chaudhary and C. Sahu, “Performance analysis of physically unclonable function based on voltage divider arrays,” in Proc. Int. Conf. Computation, Automation and Knowledge Management (ICCAKM), 2020.

📘 2019

Journal Publications

  1. N. Shafi, C. Sahu, and C. Periasamy, “Fabrication and pH sensitivity analysis of in-situ doped polycrystalline silicon thin-film junctionless BioFET,” IEEE Electron Device Letters, vol. 40, no. 6, pp. 997–1000, 2019.
  2. A. Sirohi, C. Sahu, and J. Singh, “Analog/RF performance investigation of dopingless FET for ultra-low power applications,” IEEE Access, vol. 7, pp. 141810–141816, 2019.

Conference Publications

  1. N. Shafi, A. M. Bhat, J. S. Parmar, A. Porwal, C. Sahu, and C. Periasamy, “Ultra-thin Si(1−x)Ge(x) envelope layer induced hole quantum well in cylindrical surrounding gate p-FET with ITRS considerations,” in Proc. IEEE Int. Symp. Smart Electronic Systems (iSES), 2019, pp. 360–364.
  2. K. Kavita, C. Sahu, and S. Majumdar, “RF parameter extraction and S-parameter analysis of junctionless silicon nanowire transistor,” in Proc. Int. Conf. Innovations in Electronics, Signal Processing and Communication (IESC), 2019.
  3. J. S. Parmar, N. Shafi, and C. Sahu, “A novel multi gate junctionfree gated resistor ISFET for pH detection,” in Proc. IEMECON, 2019.
  4. N. Shafi, J. S. Parmar, C. Sahu, and C. Periasamy, “GAA 3D Si-MOSFET based hybrid biosensor with integrated amplifier,” in Proc. IEEE Int. Conf. Modeling of Systems Circuits and Devices (MOS-AK India), 2019.

📘 2018

Journal Publications

  1. N. Shafi, C. Sahu, and C. Periasamy, “Virtually doped SiGe tunnel FET for enhanced sensitivity in biosensing applications,” Superlattices and Microstructures, vol. 120, pp. 758–769, 2018.

Conference Publications

  1. A. Porwal and C. Sahu, “Biosensing performance optimization of dielectric modulated FET for fully filled and partially filled cavity,” in Proc. IEEE Computer Society Annual Symp. VLSI (ISVLSI), 2018, pp. 281–286.
  2. A. M. Joshi, M. S. Ansari, and C. Sahu, “VLSI architecture of high speed SAD for high efficiency video coding (HEVC) encoder,” in Proc. IEEE Int. Symp. Circuits and Systems (ISCAS), 2018.
  3. N. Shafi, C. Sahu, and C. Periasamy, “SiGe source charge plasma TFET for biosensing applications,” in Proc. IEEE Int. Symp. Nanoelectronic and Information Systems (iNIS), 2017 (published 2018).

📘 2017

Journal Publications

  1. S. Pandey, C. Sahu, and J. Singh, “A highly linear RF mixer using gate-all-around junctionless transistor,” International Journal of Electronics Letters, vol. 5, no. 2, pp. 129–136, 2017.

Conference Publications

  1. A. M. Joshi, C. Sahu, M. Ravikumar, and S. H. Ansari, “Hardware implementation of compressive sensing for image compression,” in Proc. IEEE TENCON, 2017.
  2. C. Sahu and J. S. Parmar, “Analog/RF performance comparison of junctionless and dopingless field effect transistor,” in Proc. Int. Conf. Computer, Communications and Electronics (COMPTELIX), 2017.
  3. S. Majumdar, C. Sahu, and D. Biswas, “Fabrication of E-mode InGaN/AlGaN/GaN HEMT using FIB based lithography,” in Proc. IEEE EDTM, 2017.

📘 2016

Journal Publications

  1. C. Sahu and J. Singh, “Scalability and process induced variation analysis of polarity controlled silicon nanowire transistor,” Journal of Computational Electronics, vol. 15, pp. 360–372, 2016.
  2. V. Shrivastava, A. Kumar, C. Sahu, and J. Singh, “Temperature sensitivity analysis of dopingless charge-plasma transistor,” Solid-State Electronics, vol. 117, pp. 94–99, 2016.

Conference Publications

  1. C. Sahu and N. Agrawal, “Mixed-mode simulation of common emitter amplifier design using bipolar charge plasma transistor,” in Proc. IEEE iNIS, 2016.

📘 2015

Journal Publications

  1. A. Lahgere, C. Sahu, and J. Singh, “Electrically doped dynamically configurable field-effect transistor for low-power and high-performance applications,” Electronics Letters, vol. 51, no. 16, pp. 1284–1286, 2015.
  2. A. Lahgere, C. Sahu, and J. Singh, “PVT-aware design of dopingless dynamically configurable tunnel FET,” IEEE Transactions on Electron Devices, vol. 62, no. 8, pp. 2404–2409, 2015.
  3. C. Sahu and J. Singh, “Potential benefits and sensitivity analysis of dopingless transistor for low power applications,” IEEE Transactions on Electron Devices, vol. 62, no. 3, pp. 729–735, 2015.

📘 2014

Journal Publications

  1. C. Sahu, A. Ganguly, and J. Singh, “Symmetric bipolar charge-plasma transistor on SOI,” Electronics Letters, vol. 50, no. 20, pp. 1461–1463, 2014.
  2. C. Sahu, P. Swami, S. Sharma, and J. Singh, “Simplified drain current model for pinch-off double gate junctionless transistor,” Electronics Letters, vol. 50, no. 21, pp. 1616–1618, 2014.
  3. C. Sahu, J. Singh, and P. N. Kondekar, “Charge-plasma based process variation immune junctionless transistor,” IEEE Electron Device Letters, vol. 35, no. 3, pp. 411–413, 2014.

Conference Publications

  1. R. S. Lodhi, S. D. Pandey, C. Sahu, and J. Singh, “Performance comparison of bulk and SOI planar junctionless SONOS memory,” in Proc. IEEE ICEE, 2014.
  2. A. Kumar, C. Sahu, and J. Singh, “Subthreshold analog/RF performance estimation of doping-less DGFET,” in Proc. IEEE ICEE, 2014.
  3. K. Singh, C. Sahu, and J. Singh, “Linearly separable pattern classification using memristive crossbar circuits,” in Proc. ISQED, 2014.

📘 2013

Conference Publications

  1. C. Sahu, J. Singh, and P. N. Kondekar, “Investigation of ultra-thin BOX junctionless transistor at channel length of 20 nm,” in Proc. IEEE EDSSC, 2013.
  2. P. Kumar, C. Sahu, A. Shrivastava, P. N. Kondekar, and J. Singh, “Characteristics of gate inside junctionless transistor with channel length and doping concentration,” in Proc. IEEE EDSSC, 2013.
  3. C. Sahu, J. Singh, and P. N. Kondekar, “Electrical characteristics and short channel performance comparison of different gate junctionless transistors,” in Proc. IEEE CARE, 2013. 
Other Info.

Dr. Chitrakant Sahu is an Associate Professor in the Department of Electronics & Communication Engineering, National Institute of Technology, Raipur. He received a Ph.D. degree from the Department of Electronics & Communication Engineering, IIITDM Jabalpur in 2015. Research interests include low-power semiconductor devices and circuits, nanoelectronics, non-classical CMOS devices,s etc.  Dr. Sahu has published 30+ international journal publications (IEEE, IET, Springer, and Elsevier), 30+ conference publications (including EDTM, ISCAS, TENCON, etc.), and also published two book chapters in IET publication in the UK. He has completed 04 sponsored research projects that are funded by different agencies including the Department of Science and Technology (DST), TEQIP-III, and NPIU. Dr. Sahu is a Senior IEEE Member and Reviewer of different journals including IEEE Transactions, Springer, and Elsevier Journals.

Google scholar Link: https://scholar.google.com/citations?user=-lqrBZUAAAAJ&hl=en