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Biography
Professor Dr. Saibal Roy is Research Professor at the School of Physics, National University of Ireland - University College Cork (UCC). He is also Senior Principal Scientist and Head of Micropower Devices & Nanomagnetics research at Tyndall National Institute, Ireland. He is holding Science Foundation Ireland Principal Investigator (SFI PI & FFP) award grants. He did his M.Sc. in Physics from the Indian Institute of Technology, Kharagpur, and received his Ph.D. in Physics/Materials Science from IACS in 1994. Since receiving his Ph.D, his professional experiences include 28 years of academic and 3 years of industrial research; particularly he has served both in academia and industry as a Senior Principal Scientist and head of the research group consisting of large number of Senior Scientists/Researchers/Research engineers. Prof. Roy’s present research interests include how engineered nanostructures could be employed for potential benefits for micron-scale devices from More than Moore (MtM) to beyond Moore (BM) scenario. Since joining the Tyndall National Institute, Prof. Roy was able to bring substantial (> €12 Million) government (SFI, NSF, EU, EI, DETE) and corporate (INTEL, ADI, TI) competitive direct research grants. Prof. Roy has been honored by the president of University College Cork (UCC) for licensing the patented technology to INTEL. Some of his published works on miniaturized energy harvesting devices have featured widely in international media. His micro-fabricated high-frequency inductor/coupled inductors/transformer works have been described as a global benchmark for integrated magnetics by number of leading multinational companies. Prof. Roy has supervised several researchers (~ 50) including Masters/ PhD/ Post-doctoral fellows at Electrical Engineering/Microelectronics/ Physics/ Materials Science, University College Cork, and at Tyndall National Institute. Many of his team members including PhD students and Postdoctora
Research Interests
Micropower Devices & Nanomagnetics: Energy Harvesting - a) Design, modelling, development and characterization of Micro (MEMS) - Nano (NEMS) scale vibration based wide-band electromagnetic/magnetoelectric energy harvesters on FR4/Silicon/SoI b) Development and characterization of nanostructured, exchange-spring / exchange-coupled magnetic materials for novel magnetic M/NEMS applications Magnetoelectrics, Magnonics & NEMS Antenna – a) Nano-hetero-structures for magnonic devices b) Nano-hetero-structures for magnetoelectric devices Nano-Spintronics – a) Development of e-beam lithography for 'Artificial Spin Ice' based devices b) Fabrication of novel thin-film, spin based devices (spintronics). Energy Conversion - a) Development/batch-fabrication of micro-transformers/inductors on Silicon b) Development and characterization (static & ultra-fast dynamic properties) of nanostructured, high-frequency soft-magnetic materials for integrated devices Nano-Magnetics - a) Development and characterization of patterned magnetic nano-structures & composites b) Design, modelling, batch-fabrication and testing of microscale-devices incorporating nano-magneto-heterostructures
Teaching Activities
a) UCC (University College Cork): UE6008 – Energy harvesting & power conversion for Microsystems b) JNU (Jawaharlal Nehru University, Delhi): - MEMS, NEMS and Magnetic microsystems
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Collaborations and top research areas from the last five years
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Signature of coupling of potentials in non-linear energy harvesters with enhanced figure of merit
Roy, K., Amann, A. & Roy, S., 11 Aug 2025, In: Applied Physics Letters. 127, 6, 064102.Research output: Contribution to journal › Article › peer-review
Open Access -
Investigation of transverse exchange-springs in electrodeposited nano-heterostructured films through first-order reversal curve analysis
Samanta, A. & Roy, S., 1 Sep 2024, In: APL Materials. 12, 9, 091118.Research output: Contribution to journal › Article › peer-review
Open Access -
Tunable power-phase distributions in a phonon-magnon-coupled magnon microwave antenna for reservoir computing
Samanta, A. & Roy, S., Nov 2024, In: Physical Review Applied. 22, 5, 054076.Research output: Contribution to journal › Article › peer-review
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Tuning Non-Linearity in Cascaded Tapered Spring Topologies of Electromagnetic-Vibrational Energy Harvesters with Enhanced Figure of Merit
Roy, K., Amann, A. & Roy, S., 2024, 2024 IEEE 23rd International Conference on Micro and Miniature Power Systems, Self-Powered Sensors and Energy Autonomous Devices, PowerMEMS 2024. Institute of Electrical and Electronics Engineers Inc., p. 247-250 4 p. (2024 IEEE 23rd International Conference on Micro and Miniature Power Systems, Self-Powered Sensors and Energy Autonomous Devices, PowerMEMS 2024).Research output: Chapter in Book/Report/Conference proceedings › Conference proceeding › peer-review
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Generation of Microwaves With Tuneable Frequencies in Ultracompact 'Magnon Microwave Antenna' via Phonon-Magnon-Photon Coupling
Samanta, A. & Roy, S., 1 Jan 2023, In: IEEE Transactions on Electron Devices. 70, 1, p. 335-342 8 p.Research output: Contribution to journal › Article › peer-review
Open Access