Magnetism And Spin Technologies Lab (MAST)
-exploring the unknown...
Magnetism and Spin Technologies (MAST) Lab focuses on exploring the unknown in the realm of nano-electronics and spintronics, especially for application in conventional non-volatile memory and advanced technologies such as neuromorphic and quantum technologies. We strive to be the 'mast' in the ship out to explore and challenge the boundaries of what we know and in the process develop advanced memory technologies. MAST lab is led by Dr. Tanmay Dutta.
Dr Tanmay is an engineer by training, teacher by passion, and researcher by profession. His interest lies in the fields of advanced memory and computing technologies. Working at the forefront/confluence of semiconductors, nanotechnology processes and material development he persistently strives to push the frontier of data storage and computing technologies. As an Assistant Professor, he balances his demanding research commitments with his true love - sparking curiosity and interest in young minds through his teaching and mentoring.
Recent Updates
Oct 2024: Mr. Punyabrata Karmakar, a Ph.D. student in the group has recently been awarded the prestigious Visvesvaraya PhD scholarship
Sep 2024: Dr. Tanmay Dutta has been selected as Young Associate by the Indian National Academy of Engineers (INAE) for intrinsic merit and for being a prominent young engineer who has made a mark in their career with a promise of reaching greater height of excellence in your professional journey
Jun 2024: We have recently received funding for our work on Spintronic PUF devices from the Ministry of Education (MOE) under the STARS proposal call.
Nov 2023: Mr. Subhankar Das, Ph.D. student in the group has recently been awarded the prestigious Prime Minster's Research Fellowship.
Current and Upcoming Projects
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Interlayer exchange coupling based robust, non-volatile, scalable and reconfigurable PUF hardware (funded)
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Artificial synapse for brain-inspired neuromorphic electronics hardware based on skyrmion-domain (funded)
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Study and optimization of stray field in magnetic tunnel junction (MTJ) (funded)
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Study and development of chirality selective spintronic thin-films and active devices for biochemical-electronic interface applications
Selected Publications
Selected Conferences
Gurleen Kaur, Ranjani Sridharan, Tanmay Dutta, Rolf Stangl, Aaron Danner, Enhanced Carrier Selectivity and Superior Passivation in Cost‐Effective Heterogeneous Hybrid Transport Layers for Next Generation Silicon Solar Cells, Advanced Functional Materials, 2409070, 2024.
https://doi.org/10.1002/adfm.202409070
Oğuz Yıldırım, Riccardo Tomasello, Yaoxuan Feng, Giovanni Carlotti, Silvia Tacchi, Pegah Mirzadeh Vaghefi, Anna Giordano, Tanmay Dutta, Giovanni Finocchio, Hans J Hug, Andrada-Oana Mandru, Tuning the Coexistence Regime of Incomplete and Tubular Skyrmions in Ferromagnetic/Ferrimagnetic/Ferromagnetic Trilayers, ACS Applied Materials & Interfaces, 14, 34002 2022.
https://doi.org/10.1021/acsami.2c06608
Mohammad SM Saifullah, Mohamed Asbahi, Darren CJ Neo, Zackaria Mahfoud, Hui Ru Tan, Son Tung Ha, Neeraj Dwivedi, Tanmay Dutta, Surani bin Dolmanan, Zainul Aabdin, Michel Bosman, Ramakrishnan Ganesan, Sudhiranjan Tripathy, David G Hasko, Suresh Valiyaveettil, Patterning at the resolution limit of commercial electron beam lithography, Nano Letters, vol. 22, 7432, 2022.
https://doi.org/10.1021/acs.nanolett.2c02339
N. Dwivedi, A. K. Ott, K. Sasikumar, C. Dou, R. J. Yeo, B. Narayanan, U. Sassi, D. De Fazio, G. Soavi, T. Dutta, SKRS Sankaranarayanan, A. C. Ferrari, C. S. Bhatia, Graphene overcoats for ultra-high storage density magnetic media, Nat. Communications, 12, 2854, 2021.
https://doi.org/10.1038/s41467-021-22687-y
G. Kaur, T. Dutta, R. Sridharan, Z. Xin, A. Danner, R. Stangl, Can interface charge enhance selectivity in tunnel layer passivated contacts? Using negatively charged aluminium oxide capped with dopant free PEDOT or boron doped polysilicon, Sol. Energ. Mat. Sol. Cells, vol. 221, 110857, 2021.
https://doi.org/10.1016/j.solmat.2020.110857
J. A. Garlow, S. D. Pollard, M. Beleggia, T. Dutta, H. Yang, and Y. Zhu, Quantification of Mixed Bloch-Néel Topological Spin Textures Stabilized by the Dzyaloshinskii-Moriya Interaction in Co/Pd Multilayers, Physics Review Letters, vol. 122, pp 237201, 2019.
https://doi.org/10.1103/PhysRevLett.122.237201
R. Ramaswamy*, T. Dutta*, S. Liang, G. Yang, M. S. M. Saifullah, H. Yang, Spin orbit torque driven magnetization switching with sputtered Bi2Se3 spin current source, Journal of Physics D: Applied Physics, vol. 52, pp 224001, 2019. (* share equal 1st authorship)
https://doi.org/10.1088/1361-6463/ab0b96
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H.J. Hug, R. Peremedathil-Pradeep, E. Darwin, A.-O. Mandru, and T. Dutta, “Evaluating Skyrmion Spin Textures by Quantitative MFM”, International Conference on Superconductivity and Magnetism, Fethiye, Turkey, 2024.
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H.J. Hug, A. Mandru, O. Yildirim, T. Dutta, Y. Feng, R. Peremadathil-Pradeep, R. Tomasello, G. Carlotti, S. Tacchi, D. Suess, A. Giordano and G. Finocchio, “Towards Coding Information by 3D Chiral Spin Textures”, Intermag Conference, Sendai, Japan 2023.
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P. Mirzadeh Vaghehfi, A. Mandru, O. Yildirim, T. Dutta and H.J. Hug, “The Effect of RKKY Exchange Coupling Through Heavy Metal Interlayers on Future Skyrmionic Devices” Intermag, Lyon, France, 2021.
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T. Dutta et. al., “Robust and tunable rare-earth ferrimagnetic systems for dense, small and high-mobility skyrmions at room temperature”, MMM-INTERMAG Conference, New Orleans, USA, 2022.
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Mandru, O. Yildirim, R. Tomasello, Y. Feng, P. Mirzadeh Vaghehfi, T. Dutta, G. Carlotti, S. Tacchi, G. Finocchio and H.J. Hug, “Tuning the Density of Incomplete and Tubular Skyrmions in Ferro/ferri/ferromagnetic Trilayers”, MMM-INTERMAG Conference, New Orleans, USA, 2022.
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T. Dutta et. al. , "Breaking the walls of data latency and loss", Berlin, 2020.
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G. Kaur, T. Dutta, Z. Xin, Z. P. Ling, M. J. Naval, MSM Saifullah, R. Stangl, A. Danner, "Ultra-thin LPCVD SiNx/n+poly-Si passivated contacts – A possibility?", IEEE 46th Photovoltaic Specialists Conference (PVSC), 2019
Associations and collaborations
(past and present)
