Research Interests: Semiconductor devices and circuits for flexible electronics and Neuromorphic applications.

For latest list of publications, visit https://scholar.google.com/citations?hl=en&user=6fhwiY8AAAAJ

Selected Journal Publications

• Roshni Oommen and Aswathi R Nair, "Impact of post-deposition annealing on the optoelectronic synaptic performance of ZnO thin-film transistors", Journal of Physics D: Applied Physics, vol.59, no.175101, April 2026. https://doi.org/10.1088/1361-6463/ae5f2b
• Roshni Oommen; Adikiran S B; Akash R; Gautham G; Aswathi R Nair, "Gate Tunable Retention in Optoelectronic Synapses Using Oxide Semiconductor Thin Film Transistors", IEEE Transactions on Nanotechnology, Aug 2025. https://doi.org/10.1109/TNANO.2025.3602073
• Roshni Oommen, Dinesh Sai Ganapathi Mavuri, Kiran Jose and Aswathi R Nair, "Tunable memory behavior in light stimulated artificial synapse based on ZnO thin film transistors", Journal of Physics D: Applied Physics, vol.57, no.46, Aug 2024. https://doi.org/10.1088/1361-6463/ad6dff
• Roshni Oommen, Kiran Jose, Anjana J G, Swahum Gandhi, Venu Anand, and Aswathi R Nair, "Light Sensing Artificial Synapse Based on Zinc Oxynitride for Neuromorphic Applications", IEEE Sensors Letters, vol.8, no.5, May 2024. https://doi.org/10.1109/LSENS.2024.3391837
• Anjana J G, Kiran Jose, Aswathi R Nair, and Venu Anand, "DC reactive sputtering of ZnON thin films: band gap engineering and associated evolution of microstructures", Materials Research Express, vol.11, p.016403, Jan 2024. https://doi.org/10.1088/2053-1591/ad1e0f
• Anjana J. G., Venu Anand, and Aswathi R Nair, "Surface potential based modeling of zinc oxy-nitride thin film transistors", Flexible and Printed Electronics, vol.7, p.035004, July 2022. https://doi.org/10.1088/2058-8585/ac792a
• Sanil Daniel, Aswathi R. Nair, and Sanjiv Sambandan, "Test System for Thin Film Transistor Parameter Extraction in Active Matrix Backplanes", IEEE Journal of Electron Devices Society, vol.7, pp.638-644, June 2019. https://doi.org/10.1109/JEDS.2019.2922000
• Prasenjit Bhattacharya*, Aswathi R. Nair*, and Sanjiv Sambandan, "Geometric influence of cylindrical surface curvature on the electrostatics of thin film transistors", Flexible and Printed Electronics, vol.3, p.045006, Dec 2018. https://doi.org/10.1088/2058-8585/aaf2bf *Equal author contribution.
• Aswathi Nair, Prasenjit Bhattacharya, and Sanjiv Sambandan, “Modulating Thin Film Transistor Characteristics by Texturing the Gate Metal”, Scientific Reports, vol.7, p.17932, Dec 2017. https://doi.org/10.1038/s41598-017-18111-5
• Aswathi Nair, Karthik Raghunandan, Vaddi Yaswant, Sreelal S. Pillai, and Sanjiv Sambandan, “Maze solving automatons for self-healing of open interconnects: Modular add-on for circuit boards”, Applied Physics Letters, vol.106, p.123103, Mar 2015. http://dx.doi.org/10.1063/1.4916513

Principles and design of MEMS

Solid state devices

Advanced Semiconductor Device Modeling

Analog Integrated Circuit Design