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Disruptive Electronic Materials And Nanoelectronic Devices (DEMAND) Group

Research Foci:

Electronic, Magnetic, Energy, 2D and Quantum Materials
Thin-film deposition and Functional coating
Spintronics, Iontronics, Ferroelectrics and Magnetoelectrics
Nanoelectronic, AI and IoT Hardware devices, Neuromorphic and Quantum computing
Non-volatile memory and Data Storage
Magnetic/Electronic sensors, Bio-sensors, Neuro-Sensors, VR/AR Sensors
Energy storage and Ferroelectric Supercapacitor devices

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Electronic, Magnetic, Energy, 2D and Quantum Materials

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Thin-film deposition and functional coating

Humaira Taz*, Bhagwati Prasad*, Yen-Lin Huang, Zuhuang Chen, Shang-Lin Hsu, Ruijuan Xu, Vishal Thakare, Tamil Selvan Sakthivel, Chenze Liu, Mark Hettick, Rupam Mukherjee, Sudipta Seal, Lane W Martin, Ali Javey, Gerd Duscher, Ramamoorthy Ramesh, Ramki Kalyanaraman, “Integration of amorphous ferromagnetic oxides with multiferroic materials for room temperature magnetoelectric spintronics”, Nature Scientific Reports 10 3583 (2020). (*Equal contribution)
Bhagwati. Prasad, G. Pfanzelt, E. F.-Tsirakis, M.J. Zachman, L.F. Fitting Kourkoutis, J. Mannhart, “Integrated circuits comprising functional liquids”, Advanced Materials 30, 1802598 (2018).
H. S. Alagoz, B. Prasad, J. Jeon, M. G. Blamire, K. H. Chow and J. Jung, “Phase shift of oscillatory magnetoresistance in a double-cross thin film structure of La0.3Pr0.4Ca0.3MnO3 via strain-engineered elongation of electronic domains”, Physical Review B, 97, 085129 (2018).
S Mesoraca, J E Kleibeuker, B Prasad, J L MacManus-Driscoll and M G Blamire, “Lithium outdiffusion in LiTi2O4 thin films grown by pulsed laser deposition”, J. Crystal Growth 454, 124 (2016).

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Spintronics, Iontronics, Ferroelectrics and Magnetoelectrics

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Kaushal Tiwari, Anup Kumar Bera, Akshat Godha, Surendra Kumar Makineni, Mark Blamire, Bhagwati Prasad*, “All oxide-based magnetic tunnel junctions fabricated by focused ion beam nanomachining technique”, SPIN (2024)
Bhagwati Prasad*, Vishal Thakare, Alan Kalitsov, Zimeng Zhang, Bruce Terris and Ramamoorthy Ramesh, “Large tunnel electroresistance with ultrathin Hf0.5Zr0.5O2 ferroelectric tunnel barriers”, Advanced Electrotonic Materials 7, 2001074 (2021).
Bhagwati Prasad*, Yen-Lin Huang, Rajesh V Chopdekar, Zuhuang Chen, James Steffes, Sujit Das, Qian Li, Mengmeng Yang, Chia-Ching Lin, Tanay Gosavi, Dmitri E Nikonov, Zi Qiang Qiu, Lane W Martin, Bryan D Huey, Ian Young, Jorge Íñiguez, Sasikanth Manipatruni, Ramamoorthy Ramesh, “ Ultralow Voltage Manipulation of Ferromagnetism”, Advanced Materials 32, 2001943 (2020).
Chia-Ching Lin, Tanay Gosavi, Dmitri Nikonov, Yen-Lin Huang, Bhagwati Prasad, WonYoung Choi, Inge Groen, Jun-Yang Chen, DC Mahendra, Huichu Liu, Kaan Oguz, Emily S Walker, John Plombon, Benjamin Buford, Carl H Naylor, Jian-Ping Wang, Felix Casanova, Ramamoorthy Ramesh, Ian A Young, “Experimental demonstration of integrated magneto-electric and spin-orbit building blocks implementing energy-efficient logic”, 2019 IEEE International Electron Devices Meeting (IEDM) (2020).
Sasikanth Manipatruni, Dmitri E. Nikonov, Chia-Ching Lin, Tanay Gosavi, Huichu Li, Bhagwati Prasad, Yen Lin Huang, Ramamoorthy Ramesh, Ian A. Young, “Scalable Energy-Efficient Magnetoelectric Spin-Orbit Charge Logic”, Nature 565, 35 (2019).
Sasikanth Manipatruni, Dmitri E. Nikonov, Chia-Ching Lin, Bhagwati Prasad, Yen Lin Huang, Anoop R. Damodaran, Zuhuang Chen, Ramamoorthy Ramesh and Ian A. Young, “Voltage Control of Unidirectional Anisotropy in Ferromagnet-Multiferroic System”, Science Advances 4, eaat4229 (2018).
Bhagwati Prasad* and M. G. Blamire, “Fully magnetic manganite spin filter tunnel junctions”, Appl. Phys. Lett. 109, 132407 (2016).
Bhagwati Prasad*, W. Zhang, J. Jian, H. Wang and M. G. Blamire; “Strongly bias-dependent tunnel magnetoresistance in manganite spin filter tunnel junctions”, Advanced Materials 27, 3079 (2015).

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Nanoelectronic, AI and IoT Hardware devices, Neuromorphic and Quantum computing

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Bhagwati. Prasad, G. Pfanzelt, E. F.-Tsirakis, M.J. Zachman, L.F. Fitting Kourkoutis, J. Mannhart, “Integrated circuits comprising functional liquids”, Advanced Materials 30, 1802598 (2018).

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Non-Volatile memory and Data Storage

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Magnetic/Electronic sensors, Bio-sensors, Neuro-Sensors, VR/AR Sensors

Petrucio Barrozo, Didrik René Småbråten, Yun-Long Tang, Bhagwati Prasad, Sahar Saremi, Rustem Ozgur, Vishal Thakare, Rachel A. Steinhardt, Megan E. Holtz, Vladimir Alexandru Stoica, Lane W. Martin, Darrel G. Schlom, Sverre Magnus Selbach, Ramamoorthy Ramesh, “Defect-Enhanced Polarization Switching in the Improper Ferroelectric LuFeO3”, Advanced Materials 32, 2000508 (2020)

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Energy storage and On-chip battery

Julia A. Mundy, Colin A. Heikes, Bastien F. Grosso, Dan Ferenc Segedin, Zhe Wang, Berit H. Goodge, Quintin N. Meier, Christopher T. Nelson, Bhagwati Prasad, Lena F. Kourkoutis, William D. Ratcliff, Nicola A. Spaldin, Ramamoorthy Ramesh, Darrell G. Schlom, “Liberating a hidden antiferroelectric phase with interfacial electrostatic engineering”, Science Advances, 8, eabg5860 (2022).

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