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Dr. Ajay Kumar Mahoto

Dr. Ajay Kumar Mahoto

  • Assistant Professor
    Institute of Engineering & Technology
  • Department

    Department of Electronics & Communication
  • Contact Details:

    Email :

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  • Experience

    13 years

  • Qualifications

    • PhD in Electrical Engineering from Indian Institute of Technology Jodhpur, Rajasthan, India 2014-2021, Supervisor: Dr. Shree Prakash Tiwari CGPA: 8.50/10
    • M.Tech in Electronics and Communication Engineering, National Institute of Technology Durgapur, West Bengal, 2010 -2012, Supervisors: Dr. Ashis Kumar Mal CGPA: 9.38/10
    • B.Tech in Electronics and Telecommunication Engineering, Biju Patnaik University of Technology Odisha, India, 2006-2010, CGPA: 8.25/10
  • Ph.D

    Thesis Supervised

  • Awarded/ Completed-

    Working-

  • Postgraduate

    Thesis Supervised

  • Awarded/ Completed-

    Working-

Journal Papers

  • A. K. Mahato, V. Raghuwanshi, D. Bharti, I. Varun, N. Prasad, M. S. Roy, and S. P. Tiwari, "TIPS-pentacene/Copper (II) phthalocyanine bi-layer photo-sensitive organic field-effect transistors ", Synthetic Metals, ISSN: 0379-6779, Vol. 248, Pages 110-119, 2019, DOI: 10.1016/j.synthmet.2019.01.011, Date: 23 January 2019
  • A. K. Mahato, D. Bharti, P. Saxena, V. Raghuwanshi, I. Varun, and S. P. Tiwari "Influence of Molecular Weight of Polymer Dielectric on the Photo-Response of Solution-Processed OFETs", Polymer, ISSN: 0032-3861, vol 224, 123724, 2021, DOI: 10.1016/j.polymer.2021.123724, Date: 2 April 2021
  • A. K. Mahato, D. Bharti, I. Varun, P. Saxena, V. Raghuwanshi, and S. P. Tiwari, "UV-Assisted Non-Volatile Memory Behaviour Using Copper (II) Phthalocyanine Based Organic Field-Effect Transistors", Organic Electronics, ISSN: 1566-1199, vol 94, 106174, 2021, DOI: 10.1016/j.orgel.2021.106174, Date: 27 April 2021
  • I. Varun, A. K. Mahato,V. Raghuwanshi, and S. P. Tiwari," Ultra-Low Current Switching in Flexible Hybrid PVP:MOS2/HfOx Bilayer Devices", IEEE Transactions on Electron Devices, ISSN: 0018-9383, Volume: 67, Issue: 8, pp. 3472 – 3477, 2020, DOI: 10.1109/TED.2020.3003854 , Date: 3 July 2020
  • I. Varun, D. Bharti, A. K. Mahato, V. Raghuwanshi, and S. P. Tiwari," High Performance Flexible Resistive RAM with PVP:GO Composite and Ultra-thin HfOx Hybrid Bilayer", IEEE Transactions on Electron Devices, ISSN: 0018-9383, Volume: 67, Issue: 3, pp. 949 – 954, 2020, DOI: 10.1109/TED.2020.2964910 , Date: 30 January 2020
  • V. Raghuwanshi, D. Bharti, A. K. Mahato, A. K. Shringi, I. Varun, and S. P. Tiwari, "High performance flexible organic field-effect transistors with barium strontium titanate gate dielectric deposited at room temperature," ACS Applied Electronic Materials, vol. 2, pp. 529-536, 2020. DOI: 10.1021/acsaelm.9b00779
  • Vivek Raghuwanshi, Pulkit Saxena, Sachin Rahi, Ajay Kumar Mahato, Ishan Varun, and Shree Prakash Tiwari,"Solution-Processed Flexible Organic Field-Effect Transistors with Biodegradable Gelatin as the Dielectric Layer: An Approach Toward Biodegradable Systems ", ACS Applied Electronic Materials ISSN: 2637-6113, 2020, 2, 10, pp. 3373-3379, DOI: 10.1021/acsaelm.0c00648 , Date: 25 Sep 2020
  • V. Raghuwanshi, D. Bharti, A. K. Mahato, I. Varun, and S. P. Tiwari,"Solution-Processed Organic Field-Effect Transistors with High Performance and Stability on Paper Substrate ", ACS Applied Materials and Interfaces, ISSN: 1944-8252, 2019, 11, 8, pp. 8357–8364, DOI: 10.1021/acsami.8b21404 , Date: 31 Jan 2019
  • V. Raghuwanshi, D. Bharti, A. K. Mahato, I. Varun, and S. P. Tiwari,"Operationally Stable Organic FETs with Bilayer Dielectrics on Low-Cost Flexible Polyimide Substrate , "IEEE Transactions on Electron Devices, ISSN: 0018-9383, Vol. 66, Issue 11, Pages 4915-4920, 2019, DOI: 10.1109/TED.2019.2941325 , Date: 27 September 2019
  • V. Raghuwanshi, D. Bharti, A. K. Mahato, I. Varun, and S. P. Tiwari, "Semiconductor: polymer blend ratio dependent performance and stability in low voltage flexible organic field-effect transistors,"Synthetic Metals, ISSN: 0379-6779, vol. 236, pp. 54-60, 2018, DOI:  10.1016/j.synthmet.2018.01.003, Date: 9 January 2018
  • I. Varun, D. Bharti, A. K. Mahato, V. Raghuwanshi, and S. P. Tiwari,"Investigation of Resistive Switching in PVP and Ultra-Thin HfOx Based Bilayer Hybrid RRAM ", Solid State Ionics, ISSN: 0167-2738, Vol. 325, Pages 196-200, 2018, DOI: 10.1016/j.ssi.2018.08.003, Date: 31 August 2018
  • D. Bharti, V. Raghuwanshi, I. Varun, A. K. Mahato, and S. P. Tiwari, "Directional Solvent Vapor Annealing for Crystal Alignment in Solution-Processed Organic Semiconductors,"ACS applied materials & interfaces, ISSN: 1944-8252, vol. 9, pp. 26226-26233, 2017, DOI: 10.1021/acsami.7b03432 , Date: 14 Jul 2017
  • D. Bharti, V. Raghuwanshi, I. Varun, A. K. Mahato, and S. P. Tiwari,"Photo-response of Low Voltage Flexible TIPS-pentacene Organic Field-Effect Transistors ", IEEE Sensors Journal, ISSN: 1530-437X, Vol. 17, Issue 12, Pages 3689-3697, 2017, DOI: 10.1109/JSEN.2017.2700260 , Date: 2 May 2017
  • D. Bharti, V. Raghuwanshi, I. Varun, A. K. Mahato, and S. P. Tiwari, "Effect of UV irradiation on solution processed low voltage flexible organic field-effect transistors,"Superlattices and Microstructures, ISSN: 0749-6036, vol. 109, pp. 538-544, 2017, DOI: 10.1016/j.spmi.2017.05.041, Date: 20 May 2017
  • V. Raghuwanshi, D. Bharti, I. Varun, A. K. Mahato, and S. P. Tiwari, "Performance enhancement in mechanically stable flexible organic-field effect transistors with TIPS-pentacene: polymer blend,"Organic Electronics, ISSN: 1566-1199, vol. 34, pp. 284-288, 2016, DOI: 10.1016/j.orgel.2016.04.039, Date: 6 May 2016
  • D. Bharti, V. Raghuwanshi, I. Varun, A. K. Mahato, and S. P. Tiwari, "High Performance and Electro-Mechanical Stability in Small Molecule: Polymer Blend Flexible Organic Field-Effect Transistors,"IEEE Electron Device Letters, ISSN: 0741-3106, vol. 37, pp. 1215-1218, 2016, DOI: 10.1109/LED.2016.2592943, Date: 19 July 2016

Book Chapters

  • D. Mucharary, S. Bhattarai, A. Sharma, and A. K. Mahato, “Fundamental Physics of Light Emitting Diodes”, In book: Organic and Inorganic Light Emitting Diodes”, April 2023, DOI: 10.1201/9781003340577-1, CRC Press, ISBN: 9781032375175
  • D. Muchahary, S. Bhattarai, A. K. Mahato, and S. Maity, “A Brief on Emerging Materials and Its Photovoltaic Application”, In: Thoutam, L.R., Tayal, S., Ajayan, J. (eds) Emerging Materials Design, characterization and applications, pp. 361-406, 2022, Springer, Singapore, ISBN: 978-981-19-1312-9, https://doi.org/10.1007/978-981-19-1312-9, Date: 18 May 2022

Patent:

Title: Method and Apparatus for Directional Solvent Vapor Annealing for Crystal Alignment for Organic Electronics. (201711000446, Date: 06th July 2018)

Conference (Papers)

  • V. Raghuwanshi, A. K. Mahato, P. Saxena, S. Rahi, G. Konwar, and S. P. Tiwari, “Low Voltage Organic Field-Effect Transistors with Room Temperature Deposited Dielectric Layer”, IEEE International Conference on Flexible and Printable Sensors and Systems (FLEPS), 20-23 June 2021, ISBN:978-1-7281-9174-4, Manchester, United Kingdom. DOI:  10.1109/FLEPS51544.2021.9469826
  • A.K. Mahato, D. Bharti, V. Raghuwanshi, I. Varun, and S. P. Tiwari, “Comprehensive Analysis of α- and β- form of Copper (II) Phthalocyanine for Organic Field-Effect Transistors”, Lecture Notes in Electrical Engineering book series (LNEE,volume 781), ISBN: 978-981-16-3767-4_49, 2021 Springer International Conference on Micro/Nanoelectronics Devices, Circuits, and Systems, (MNDCS-2021)(Virtual Mode), 29 - 31 January 2021, Silchar, India. DOI: 10.1007/978-981-16-3767-4_49
  • I. Varun, D. Bharti, A. K. Mahato, V. Raghuwanshi, and S. P. Tiwari, "Resistive Switching Behaviour of PVP/HfOx Hybrid RRAM on Flexible Substrate", ISBN:978-1-7281-2540-4, 4th IEEE Electron Devices Technology and Manufacturing (EDTM) Conference, 6-21 April 2020, Penang, Malaysia, (Virtual Conference). DOI: 10.1109/EDTM47692.2020.9117950
  • A. K. Mahato, V. Raghuwanshi, D. Bharti, I. Varun, and S. P. Tiwari, "Effect of Polymer Blend on Electrical Performance and Photo-Response of TIPS-Pentacene OFETs", ISBN:978-1-7281-2638-8, 14th IEEE Nanotechnology Materials and Devices Conference (IEEE NMDC 2019), October 27 - 30, 2019, Stockholm, Sweden, DOI: 10.1109/NMDC47361.2019.9083993
  • V. Raghuwanshi, D. Bharti, A. K. Mahato, I. Varun, and S. P. Tiwari, "UV Cured PVP Gate Dielectric for Flexible Organic Field-Effect Transistors", ISBN: 978-1-5386-9305-6, IEEE International Conference on Flexible and Printable Sensors and Systems (IEEE FLEPS 2019), July 07 - 10, 2019, Glasgow, Scotland, UK. DOI: 10.1109/FLEPS.2019.8792232
  • V. Raghuwanshi, D. Bharti, A. K. Mahato, I. Varun, and S. P. Tiwari, "TIPS-Pentacene:PS Blend Organic Field-Effect Transistors with Hybrid Gate Dielectric on Paper Substrate,  ISBN:978-1-7281-0943-5, 2019 International Symposium on VLSI Technology, Systems, and Applications (2019 VLSI-TSA), April 22 - 25, 2019, Hsinchu, Taiwan. DOI: 10.1109/VLSI-TSA.2019.8804675
  • V. Raghuwanshi, A. K. Mahato, D. Bharti, I. Varun, and S. P. Tiwari, "Copper (II) Phthalocyanine based Organic Field-Effect Transistors for UV Photo-detection", ISBN: 978-1-5386-6509-1, 3rd Electron Devices Technology and Manufacturing (EDTM) conference, March12 - 15, 2019, Singapore. DOI: 10.1109/EDTM.2019.8731055
  • V. Raghuwanshi, D. Bharti, A. K. Mahato, I. Varun, and S. P. Tiwari, "Effect of TIPS-Pentacene:Polystyrene Blend Ratio on Electrical Performance and Stability of Solution Processed Organic Field-Effect Transistors", ISBN: 978-1-5386-9122-9, 4th International Conference on Emerging Electronics (ICEE 2018), December 16 - 19, 2018, Banguluru, India. DOI: 10.1109/ICEE44586.2018.8937941
  • I. Varun, D. Bharti, A. K. Mahato, V. Raghuwanshi, and S. P. Tiwari, "Effect of Annealing on Resistive Switching Behaviour of PMMA based RRAM", ISBN: 978-1-5386-9122-9, 4th International Conference on Emerging Electronics (ICEE 2018), December16 - 19, 2018, Banguluru, India, DOI: 10.1109/ICEE44586.2018.8937901
  • A. K. Mahato, D, Bharti, V. Joshi, V. Raghuwanshi, and S. P. Tiwari, "Comprehensive Analysis of TIPS-Pentacene: Polymer Blend Organic Field-Effect Transistor for Device and Circuit Simulation ", ISBN: 978-1-5386-2773-0, Proceedings of 12th IEEE Nanotechnology Materials and Devices Conference (IEEE NMDC 2017),October 2 - 4, 2017, Singapore. DOI: 10.1109/NMDC.2017.8350553
  • V. Raghuwanshi, D. Bharti, A.K. Mahato, I. Varun, and S. P. Tiwari, "Effect of Thermal Annealing on Electrical Stability of TIPS-Pentacene Flexible OFETs", ISBN: 978-1-5386-2773-0, Proceedings of 12th IEEE Nanotechnology Materials and Devices Conference (IEEE NMDC 2017), October 2 - 4, 2017, Singapore. DOI: 10.1109/NMDC.2017.8350552
  • A. K. Mahato, D. Bharti, V. Raghuwanshi, and S. P. Tiwari, "TIPS-pentacene: Polymer blend inverters with improved gain", ISBN: 978-1-5090-3660-8, 3rd International Conference on Emerging Electronics (ICEE 2016), 27-30 Dec. 2016, pp. 1-4, Mumbai, India. DOI: 10.1109/ICEmElec.2016.8074602
  • A. K. Mahato, "Ultra low frequency CMOS ring oscillator design," ISBN:978-1-4799-2291-8, 2014 Recent Advances in Engineering and Computational Sciences (RAECS), 6-8 March 2014, pp. 1-5, Chandigarh, India. DOI: 10.1109/RAECS.2014.6799627
  • A. K. Mahato, and A. Samanta, "Temperature stabilized CMOS ring oscillator”, ISBN: 978-1-4799-1626-9, 2013 IEEE International Conference in MOOC, Innovation and Technology in Education (MITE), 20-22 Dec. 2013, pp. 196-198, Jaipur, India. DOI: 10.1109/MITE.2013.6756333

Experience (Teaching):

  • Assistant Professor at GLA University Mathura (March 2024 – to Present)
  • Assistant Professor (Grade-I) at Amity University Jharkhand (July 2022 – March 2024)
  • Temporary Faculty at National Institute of Technology Raipur (Aug 2021 - June 2022)
  • Ad-hoc Faculty at National Institute of Technology Sikkim (Aug 2012 - Dec 2014)
  • Assistant Professor (Grade -I) at KIIT University Bhubaneswar (June 2012 - Aug 2012)
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