CENTRE FOR NANO SCIENCE AND ENGINEERING

CORE FACULTY

Gayathri Pillai

Gayathri Pillai

Assistant Professor

Room No: FF 05
Email: gpillai@iisc.ac.in
FAX: +91 080 23604656
Phone:
Group Webpage: https://sites.google.com/view/gayathripillai/home 

Education
• BTech Electronics and Communication Engineering, Cochin University of Science and Technology, Kerala, India, Sept: 2009-May: 2013
• MS Institute of NanoEngineering and MicroSystems, National Tsing Hua University, Taiwan, Sept: 2013-Dec: 2015
• Ph.D. Institute of NanoEngineering and MicroSystems, National Tsing Hua University, Taiwan, Feb: 2016- Jan: 2020

Experience
Postdoctoral Fellow Institute of NanoEngineering and MicroSystems, National Tsing Hua University, Taiwan, Feb. 2020- Apr. 2021

Research Interests
• Piezoelectric MEMS Transducer Hub
• 5G Communication
• Piezo/Ferroelectric material exploration for MEMS devices
• Plasmonics and Metasurfaces for MEMS
• MEMS Resonators for Quantum Communications
• Photon-Phonon Interaction Study

Research Area
Acoustics, MEMS/NEMS, Inertial Sensors, MEMS/NEMS Nonlinearity, Piezoelectricity, Sensors and Actuators, Systems on chip

Recent Publications

  • Kumar, V., Tiwari, S., Pillai, G., Pratap, R., & Chandorkar, S. A. (2024). Synchronized Opto-Electro-Mechanical Measurements for Estimation of Energy Dissipation in Thin-Film-Piezoelectric-on-Substrate MEMS/NEMS Devices. Journal of Microelectromechanical Systems.
    https://ieeexplore.ieee.org/abstract/document/10705914
  • Kumar, P., Sahana, D., Chandrashekar, L. N., Jeyaseelan, A., Nayak, M. M., Pratap, R., & Pillai, G. (2023). Ultrasensitive pressure sensor based on an integrated circular piezoelectric MEMS resonator and diaphragm Structure. IEEE Sensors Letters.
    https://ieeexplore.ieee.org/abstract/document/10288036

Key Publications (* from outside CeNSE)

  • Pillai, G., Zope, A. A., & Li, S. S. (2018). Piezoelectric-based support transducer design to enable high-performance bulk mode resonators. Journal of Microelectromechanical Systems, 28(1), 4-13. *
    https://ieeexplore.ieee.org/abstract/document/8527654
  • Pillai, G., & Li, S. S. (2020). Quality factor boosting of bulk acoustic wave resonators based on a two dimensional array of high-Q resonant tanks. Applied Physics Letters, 116(16). *
    https://doi.org/10.1063/5.0007418
  • Pillai, G., & Li, S. S. (2021). Controllable multichannel acousto-optic modulator and frequency synthesizer enabled by nonlinear MEMS resonator. Scientific reports, 11(1), 10898. *
    https://www.nature.com/articles/s41598-021-90248-w

Patents
• S.-S. Li, and G. Pillai, “Resonator and Resonator Array”. US Patent 20190229701 A1 and Taiwan Patent TWI659553B

• S.-S. Li, and G. Pillai, “Higher harmonics generation enabled by electromechanical nonlinearity”. (US 16/578422 and Taiwan TWI711273B).

• S.-S. Li, H. G. Ranjith, G. Pillai, and C.-H. Weng, “Acceleration Sensing Structure and Accelerometer”. (US and Taiwan), Filed 2020.