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Impact of Channel Parameters on the Performance of Dielectrically Modulated JL-DG-MOSFET Biosensor

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Advances in VLSI and Embedded Systems

Part of the book series: Lecture Notes in Electrical Engineering ((LNEE,volume 962))

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Abstract

In this work, we intensively analyzed the performance of junctionless (JL) double-gate (DG) MOSFET for biosensing applications. The dielectric modulation technique has been to detect the biomolecules. Drain current sensitivity (ΔID) and threshold voltage sensitivity (ΔVth) are taken as sensitivity metrics for biomolecule detection. It is observed that JL-DG-MOSFET gives a very good ΔID in the order of 1012. Further, the impact of channel parameters like channel thickness (TC) and channel length (LC) on the sensitivity metrices has also been examined. It is found that downscaling of TC and upscaling of LC improves the threshold voltage sensitivity. However, we observed a peak at LC = 150 nm for drain current sensitivity. Hence, a lower TC (= 8 nm) and LC (= 150 nm) results in better sensitivities and thus can be used for designing JL-DG-FET based biosensors.

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Author information

Authors and Affiliations

  1. Department of ME, SR University, Warangal, India

    Jay Prakash Srivastava

  2. Department of ECE, SR University, Warangal, India

    Sandip Bhattacharya, Shubham Tayal, L. M. I. Leo Joseph & J. Ajayan

  3. Department of Computer Science, Korea Military Academy, Seoul, Republic of Korea

    Young Suh Song

Authors
  1. Jay Prakash Srivastava
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  2. Sandip Bhattacharya
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  3. Shubham Tayal
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  4. L. M. I. Leo Joseph
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  5. Young Suh Song
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  6. J. Ajayan
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Corresponding author

Correspondence to Shubham Tayal .

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Editors and Affiliations

  1. Department of Electronics Engineering, Sardar Vallabhbhai National Institute of Technology, Surat, Gujarat, India

    Anand D. Darji

  2. Department of Electronics Engineering, Sardar Vallabhbhai National Institute of Technology, Surat, Gujarat, India

    Deepak Joshi

  3. Department of Electronics and Communication Engineering, Malaviya National Institute of Technology Jaipur, Jaipur, Rajasthan, India

    Amit Joshi

  4. Department of Computer Science, Edge Hill University, Ormskirk, Lancashire, UK

    Ray Sheriff

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Srivastava, J.P., Bhattacharya, S., Tayal, S., Leo Joseph, L.M.I., Song, Y.S., Ajayan, J. (2023). Impact of Channel Parameters on the Performance of Dielectrically Modulated JL-DG-MOSFET Biosensor. In: Darji, A.D., Joshi, D., Joshi, A., Sheriff, R. (eds) Advances in VLSI and Embedded Systems. Lecture Notes in Electrical Engineering, vol 962. Springer, Singapore. https://doi.org/10.1007/978-981-19-6780-1_17

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  • DOI: https://doi.org/10.1007/978-981-19-6780-1_17

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