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INDIAN INSTITUTE OF TECHNOLOGY PALAKKAD
Nila Campus, Kanjikode, Palakkad, Kerala - 678623
04923 226 300 (Office) | info@iitpkd.ac.in

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Dr. Revathy Padmanabhan
Assistant Professor
Electrical Engineering
revathyp@iitpkd.ac.in
+91-4923-226-417
Research Area: Micro/Nanoelectronics
View Website
  • Biosketch

    Education:

    08/2008 - 02/2014 : PhD, Electrical Communication Engineering
                                    Indian Institute of Science, Bengaluru
                                    Thesis: High-k Dielectrics for Metal-Insulator-Metal Capacitors
                                    Advisors: Prof. Navakanta Bhat and Prof. S. Mohan 

    09/2002 - 06/2006 : B.E., Electronics and Communication Engineering
                                    Bangalore Institute of Technology, Bengaluru
                                    affiliated to Visvesvaraya Technological University, Belagavi

    Professional Experience: 

    07/2017 - present  : Assistant Professor, Electrical Engineering
                                    IIT Palakkad, Kerala 

    09/2014 - 07/2017 : Post-doctoral fellow, Electrical Engineering
                                    Technion-Israel Institute of Technology, Haifa, Israel
                                    Advisor: Prof. Gadi Eisenstein

    03/2014 - 09/2014 : Research Associate, Dept. of ECE (in collaboration with CeNSE)
                                    Indian Institute of Science, Bengaluru
                                    in Nano-Devices and Sensors lab

    07/2006 - 07/2008 : Systems Engineer
                                   
    IBM Global Business Services, Bengaluru

  • Research

    Research interests primarily lie in the area of semiconductor device fabrication and characterization.
    Please have a look at the publications section, for more details. 

    Research Grants

    Project Title Funding Agency Duration Role
    Synthesis of layered transition metal oxides for optoelectronic applications SERB (POWER) 09/2022 - 09/2025 Co-PI
    PI: Dr. T. H. Choudhury
    Engineering porous silicon for capacitive deionization SERB (POWER) 06/2022 - 06/2025

    PI
    Co-PI: Dr. T. H. Choudhury

    Design & fabrication of inorganic electrochromic devices using layer engg. ISRO RESPOND 12/2021 - 12/2023 PI
    Collab: Dr. T. H. Choudhury
    Design & fabrication of an LED-based solar simulator with integrated electrical & optical measurement capability DST (SERD) 04/2021 - 04/2024

    Co-PI
    with AA (PI), ARS (Co-PI)
    Industry Collab: Holmarc

    Multi-functional optically-sensitive devices with high efficiencies using perovskites     SERB (SRG) 01/2020 - 01/2022

    PI

  • Teaching

    EE5518 / EE3506 Nanoelectronic Devices           : [Jan-Apr 2023, 2022, 2021, 2020, 2019, 2018]

    EE3010 / EE3001 Solid-State Devices                  : [Aug-Nov 2022, 2020, 2019, 2018, 2017]

    EE5009 Nanoelectronics for Circuits and Systems: [Aug-Nov 2022, 2021, 2020]

    EE5526 Principles and Design of MEMS               : [Aug-Dec 2021]

    EE5510 Fundamentals of Semiconductor Devices: [Aug-Nov 2019]

    EE2030 Electrical and Magnetic Circuits                : [Aug-Nov 2018]

    EE5606 Micro and Nanoscale Devices Laboratory: [Jan-Apr 2023]

    EE2160 / EE2701 CAD Laboratory                        : [Jan-Apr 2020, 2019, 2018]

    EE3703 Analog Circuits Laboratory                        : [Aug-Nov 2017]

  • Research Group

    PhD Students: 

    Renjith Sasikumar (joined in Jan 2018)

    Alankrith S J (joined in Jun 2022)

    Sriram S (joined in Jan 2023)

    Susomon Dutta (joined in Jan 2023)

    MS Students: 

    Kumudini Ganesh (joined in Jul 2019)

    Mejo A J (joined in Jan 2020)

    Sreejyothi Sankararaman (joined in Jul 2020)

  • Additional Information
    Title
    Sponsored Projects
    Description
    Project Title Funding Agency Duration Role
    Synthesis of layered transition metal oxides for optoelectronic applications SERB (POWER) Sep 2022 - Sep 2025 Co-PI
    PI: Dr. T. H. Choudhury
    Engineering porous silicon for capacitive deionization SERB (POWER) Jun 2022 - Jun 2025

    PI
    Co-PI: Dr. T. H. Choudhury

    Design and fabrication of inorganic electrochromic devices using layer engg. ISRO RESPOND Dec 2021 - Dec 2023 PI
    Collaborator: Dr. T. H. Choudhury
    Design and fabrication of an LED-based solar simulator with integrated electrical and optical measurement capability Solar Energy Research and Development (SERD), DST Apr 2021 - Apr 2024

    Co-PI
    with AA (PI), ARS (Co-PI)
    Industry Collaborator: Holmarc

    Multi-functional optically-sensitive devices with high efficiencies using perovskites     Start-up Research Grant (SERB) Jan 2020 - Jan 2022

    PI

    Title
    Patents
    Description
    1. Method of eliminating pull-in instability and hybrid MEMS actuator incorporating the method
      [R. T. Raman, R. Padmanabhan, and A. Ajoy] Indian Patent Number 398690, granted Jun 2022. 
  • Publications
    Modulation of Porous Silicon Morphology: Correlation with Dopant Concentration and Electrolyte Composition
    M. A. Johnny, S. Suresh, T. H. Choudhury, and R. Padmanabhan
    2022 IEEE Nanotechnology Materials and Devices Conference (NMDC) 17-20 (2022)
    Analysis of perovskite-silicon tandem solar cells using a semi-analytical model
    K. Ganesh and R. Padmanabhan
    Proc. 22nd IEEE International Conference on Nanotechnology (IEEE NANO) 496-499 (2022)
    Stable Deflection in Ferroelectric Negative-Capacitance Hybrid MEMS Actuator With Cubic Nonlinear Spring
    R. T. Raman, R. Padmanabhan, and A. Ajoy
    IEEE Trans. Electron Devices 69 (9) 5162-5169 (2022)
    Analysis of Ferroelectric Negative Capacitance-Hybrid MEMS Actuator Using Energy-Displacement Landscape
    R. T. Raman, J. Shibu, R. Padmanabhan, and A. Ajoy
    IEEE Trans. Electron Devices 69 (6) 3359-3366 (2022)
    Chiral Photo Response in Plasmon Enhanced Layered Semiconductors
    S. Sankararaman, K. Balasubramanian, and R. Padmanabhan
    XXI International Workshop on Physics of Semiconductor Devices (2021)
    Design of optimal layer thickness in electrochromic devices
    S. Verma, T. H. Choudhury, and R. Padmanabhan
    2021 IEEE 16th Nanotechnology Materials and Devices Conference (NMDC) 1-4 (2021)
    Analysis of electrical and optical loss in perovskite solar cells using a semi-analytical model
    V. Sharma and R. Padmanabhan
    2021 IEEE 16th Nanotechnology Materials and Devices Conference (NMDC) 1-5 (2021)
    Modeling of Hysteresis in Perovskite-Silicon Tandem Solar Cells
    K. Ganesh and R. Padmanabhan
    2021 IEEE 16th Nanotechnology Materials and Devices Conference (NMDC) 1-5 (2021)
    Modeling of electrochemical metallization-based two-dimensional material memristors for neuromorphic applications
    R. Sasikumar, A. Ajoy, and R. Padmanabhan
    IEEE Trans. Nanotechnol. 20 912-921 (2021)
    Polarization Sensitive Photodetection using Semiconducting Monolayers
    S. Sankararaman, K. Balasubramanian, and R. Padmanabhan
    CLEO: Science and Innovations JW1A. 183 (2021)
    Analysis of Ferroelectric Negative Capacitance-Hybrid MEMS Actuator Using Energy Landscape
    R. T. Raman, A. Ajoy, and R. Padmanabhan
    2021 Virtual MRS Spring Meeting (2021)
    Modeling the dynamics of switching in electrochemical metallization (ECM)-based memristors
    R. Sasikumar and R. Padmanabhan
    2020 5th IEEE Int. Conf. Emerging Electron. 1-4 (2020)
    Modeling of Perovskite-Silicon Tandem Solar Cells: A TCAD-based Approach
    K. Ganesh and R. Padmanabhan
    2020 5th IEEE Int. Conf. Emerging Electron. 1-4 (2020)
    Optimization of Transport Layer Thickness for Perovskite Solar Cells: An Optical Analysis
    V. Sharma, S. Saini, and R. Padmanabhan
    2020 5th IEEE Int. Conf. Emerging Electron. 1-4 (2020)
    Analysis of Electrostatic MEMS Using Energy-Charge Landscape
    R. T. Raman, A. Ajoy, and R. Padmanabhan
    IEEE Trans. Electron Devices 67 (10) 4413-4420 (2020)
    Modeling of electrochemical metallization-based transport in vertical transition metal dichalcogenide (TMD) memristors
    R. Sasikumar, A. Ajoy, and R. Padmanabhan
    Proc. 20th IEEE International Conference on Nanotechnology (IEEE NANO) 159-163 (2020)
    Analysis of Optical Loss in Perovskite-based Photodetectors
    S. Saini, I. J. Lalan, and R. Padmanabhan
    20th International Workshop on the Physics of Semiconductor Devices (2019)
    Modeling electrochemical metallization-based transport in MoS2 memristors
    R. Sasikumar, A. Ajoy, and R. Padmanabhan
    20th International Workshop on the Physics of Semiconductor Devices (2019)
    Responsivity Enhancement of Metal-Insulator-Semiconductor Photodetectors on Silicon-On-Insulator Substrates by Plasmonic Nanoantennas
    R. Padmanabhan, O. Sorias, O. Eyal, V. Mikhelashvili, M. Orenstein, and G. Eisenstein
    IEEE Trans. Nanotechnol. 16 (5) 778-783 (2017)
    Optical control of capacitance in a metal-insulator-semiconductor diode with embedded metal nanoparticles
    V. Mikhelashvili, G. Ankonina, Y. Kauffmann, G. Atiya, W. D. Kaplan, R. Padmanabhan, and G. Eisenstein
    J. Appl. Phys. 121 (21) 214504:1-7 (2017)
    Simplified parameter extraction method for single and back-to-back Schottky diodes fabricated on silicon-on-insulator substrates
    V. Mikhelashvili, R. Padmanabhan, and G. Eisenstein
    J. Appl. Phys. 122 (3) 034503:1-9 (2017)
    Negative capacitance in optically sensitive metal-insulator-semiconductor-metal structures
    V. Mikhelashvili, R. Padmanabhan, B. Meyler, S. Yofis, and G. Eisenstein
    J. Appl. Phys. 120 (22) 224502:1-9 (2016)
    Responsivity enhancement of MIS photodetectors on SOI substrates by plasmonic nanoantennas
    R. Padmanabhan, O. Sorias, O. Eyal, V. Mikhelashvili, M. Orenstein, and G. Eisenstein
    IEEE Nanotechnology Materials and Devices Conference (NMDC) 2016 (2016)
    Performance and Reliability of TiO2/ZrO2/TiO2 (TZT) and AlO-Doped TZT MIM Capacitors
    R. Padmanabhan, S. Mohan, Y. Morozumi, S. Kaushal, and N. Bhat
    IEEE Trans. Electron Devices 63 (10) 3928-3935 (2016)
    Negative differential resistance in three terminal photodetectors
    V. Mikhelashvili, B. Meyler, S. Yofis, R. Padmanabhan, and G. Eisenstein
    Appl. Phys. Lett. 108 (25) 253504:1-5 (2016)
    Dynamical Properties of Optically Sensitive Metal-Insulator-Semiconductor Nonvolatile Memories Based on Pt Nanoparticles
    R. Padmanabhan, O. Eyal, B. Meyler, S. Yofis, G. Atiya, W. D. Kaplan, V. Mikhelashvili, and G. Eisenstein
    IEEE Trans. Nanotechnol. 15 (3) 492-498 (2016)
    Optically sensitive devices based on Pt nano particles fabricated by atomic layer deposition and embedded in a dielectric stack
    V. Mikhelashvili, R. Padmanabhan, B. Meyler, S. Yofis, G. Atiya, Z. Cohen-Hyams, S. Weindling, G. Ankonina, J. Salzman, W. D. Kaplan, and G. Eisenstein
    J. Appl. Phys. 118 (13) 134504:1-11 (2015)
    Multi-functional optically sensitive metal-insulator-semiconductor devices based on Pt nanoparticles fabricated in-situ with a dielectric stack using atomic layer deposition
    R. Padmanabhan, V. Mikhelashvili, B. Meyler, S. Yofis, S. Weindling, J. Salzman, and G. Eisenstein
    Proc. 15th IEEE International Conference on Nanotechnology (IEEE NANO) 1235-1238 (2015)
    High-performance stacked TiO2-ZrO2 and Si-doped ZrO2 metal-insulator-metal capacitors
    R. Padmanabhan, N. Bhat, S. Mohan, Y. Morozumi, and S. Kaushal
    Proc. Int. Conf. IC Design Technol. 1-4 (2014)
    Room temperature-processed TiO2 MIM capacitors for DRAM applications
    R. Padmanabhan, N. Bhat, and S. Mohan
    Proc. 17th Int. Workshop Phys. Semiconductor Devices, Environ. Sci. Eng. 37-39 (2014)
    High-performance MIM capacitors based on TiO2/ZrO2/TiO2 and AlO-doped TiO2/ZrO2/TiO2 dielectric stacks for DRAM applications
    R. Padmanabhan, N. Bhat, S. Mohan, Y. Morozumi, and S. Kaushal
    Proc. Mater. Res. Soc. Symp. 1561 (2013)
    Performance and Reliability of Gd2O3 and Stacked Gd2O3-Eu2O3 Metal-Insulator-Metal Capacitors
    R. Padmanabhan, N. Bhat, and S. Mohan
    IEEE Trans. Electron Devices 60 (5) 1523-1528 (2013)
    High-density metal-insulator-metal capacitors using Gd2O3-based dielectrics
    R. Padmanabhan, N. Bhat, S. Mohan
    Proc. IEEE Int. Conf. Emerging Electron. 1-4 (2012)
    High-performance metal–insulator–metal capacitors using europium oxide as dielectric
    R. Padmanabhan, N. Bhat, and S. Mohan
    IEEE Trans. Electron Devices 59 (5) 1364-1370 (2012)

Ahalia Campus

Indian Institute of Technology Palakkad
Ahalia Integrated Campus
Kozhippara P. O | Palakkad
Kerala | Pin: 678557

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Nila Campus
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Kanjikkode | Palakkad
Kerala | Pin: 678623

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