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Publication and Conference Details

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Submitted​

1. Patent on "Nanoscale spin-rectifiers for harvesting ambient radiofrequency energy". (Filed)

2. Book chapter on "Emerging spintronic materials for the radiofrequency energy harvesting and sensing". (Under preparation)

3. Voltage-controlled magnetic anisotropy driven non-linear parametric resonance (submitted)

4. Ultra-broadband nonlinear Hall rectifier (Under Review)

5. Spin waves in spin-Hall nano-oscillators (Submitted)

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Book chapter

​1. P. K. Muduli, Raghav Sharma, Dhananjay Tiwari, Naveen Sisodia, O. G. Heinonen, and J. Åkerman, “Microwave oscillators and detectors based on magnetic tunnel junctions”, Emerging Non-volatile Memory Technologies (Springer Nature Singapore), 3-44 (2021). https://doi.org/10.1007/978-981-15-6912-8_14

 

Published

  1. Raghav Sharma, P. Dürrenfeld, E. Iacocca, O. G. Heinonen, J. Åkerman, and P. K. Muduli, Mode-hopping mechanism generating colored noise in a magnetic tunnel junction based spin torque oscillator, Appl. Phys. Lett. 105, 132404 (2014). (IF 4) https://doi.org/10.1063/1.4896634

  2. R. Sharma, P. Dürrenfeld, M. Ranjbar, R. K. Dumas, J. Åkerman, and P. K. Muduli, Modulation rate study in a spin torque oscillator based wireless communication system, IEEE Trans. Magn. 51, 1401304 (2015). (IF 2.1) 10.1109/TMAG.2015.2438033

  3. D. Tiwari, N. Sisodia, R. Sharma, P. Dürrenfeld, J. Åkerman, and P. K. Muduli, Enhancement of spin-torque diode sensitivity in a magnetic tunnel junction by parametric synchronization, Appl. Phys. Lett. 108, 082402 (2016). (IF 4) https://doi.org/10.1063/1.4942398

  4. R. Sharma, N. Sisodia, P. Dürrenfeld, J. Åkerman, and P. K. Muduli, Time-domain stability of parametric synchronization in a spin-torque nano-oscillator based on a magnetic tunnel junction, Phys. Rev. B 96, 024427 (2017). (IF 3.7) https://doi.org/10.1103/PhysRevB.96.024427

  5. Raghav Sharma, Naveen Sisodia, Ezio Iacocca, Ahmad A. Awad, Johan Åkerman and P. K. Muduli, A high-speed single sideband generator using a magnetic tunnel junction spin torque nano-oscillator, Nature Scientific Reports 7, 13422 (2017).  (IF 4.6) https://doi.org/10.1038/s41598-017-13551-5

  6. D. Tiwari, R. Sharma, O. G. Heinonen, J. Åkerman, and P. K. Muduli, Influence of MgO barrier quality on spin-transfer torque in magnetic tunnel junctions, Appl. Phys. Lett. 112, 022406 (2017). (IF 4) https://doi.org/10.1063/1.5005893

  7. Raghav Sharma, Naveen Sisodia, and P. K. Muduli, Tuning of Single Sideband Generation by In-Plane Field Angle in Spin Torque Nano-Oscillators, 2018 IEEE International Magnetic Conference (INTERMAG), 1-5 (2018). 10.1109/INTMAG.2018.8508072

  8. Dushyant Kumar, Chuang-Han Hsu, Raghav Sharma, Tay-Rong Chang, Peng Yu, Junyong Wang, Goki Eda, Gengchiau Liang & Hyunsoo Yang, Room-temperature nonlinear Hall effect and wireless radiofrequency rectification in Weyl semimetal TaIrTe4, Nature Nanotechnology, 16, 421-425 (2021). (IF 38.3) https://doi.org/10.1038/s41565-020-00839-3

  9. Raghav Sharma, Rahul Mishra, Tung Ngo, YongXin Guo, Shunsuke Fukami, Hideo Sato, and Hideo Ohno and Hyunsoo Yang, Electrically connected spin torque oscillators array for 2.4 GHz WiFi band transmission and energy harvesting, Nature Communications, 12, 2924 (2021). (IF 16.6). https://doi.org/10.1038/s41467-021-23181-1 (Covered by many tech media)

  10. Akash Kumar, Raghav Sharma, Kacho Imtiyaz Ali Khan, C. Murapaka, G. J. Lim, W.S. Lew, Sujeet Chaudhary, P. K. Muduli, Large Damping-like Spin–Orbit Torque and Improved Device Performance Utilizing Mixed-Phase Ta, ACS Appl. Electron. Mater. 3, 3139–3146 (2021). (IF 4.7) https://doi.org/10.1021/acsaelm.1c00361

  11. Raghav Sharma, Naveen Sisodia, Johan. Åkerman and P. K. Muduli, Enhanced modulation bandwidth of a magnetic tunnel junction-based spin torque nano-oscillator under strong current modulation, IEEE Electron Device Lett. 42, 1886-1889 (2021). (IF 4.9) 10.1109/LED.2021.3122241

  12. Jiayun Liu, Kyusup Lee, Yingshu Yang, Ziqi Li, Raghav Sharma, Lifei Xi, Teddy Salim, Chris Boothroyd, Yeng Ming Lam, Hyunsoo Yang, Marco Battiato, Elbert E. M. Chia, “Spintronic THz emitters in silicon-based heterostructures”, Phys.  Rev. Appl. 18, 034056 (2022). (IF 4.6). https://doi-org/10.1103/PhysRevApplied.18.034056.

  13. Qu Yang, Rahul Mishra, Yunuo Cen, Guoyi Shi, Raghav Sharma, Xuanyao Fong, & Hyunsoo Yang, Spintronic integrate-fire-reset neuron with stochasticity for neuromorphic computing, Nano Lett. 22, 8437 (2022). (IF 10.6) https://doi-org/10.1021/acs.nanolett.2c02409

  14. Raghav Sharma, Tung Ngo, Eleonora Raimondo, Anna Giordano, Junta Igarashi, Butsurin Jinnai, Yong-Xin Guo, Giovanni Finocchio, Shunsuke Fukami, Hideo Ohno and Hyunsoo Yang," Nanoscale spin-rectifiers" (IF 33.6) (Published in Nature electronics). https://doi.org/10.1038/s41928-024-01212-1

  15. Research Briefing - Invited on " Spin-rectifier-based sensitive rectenna and on-chip array for wireless energy harvesting. (IF 33.6) (Published in Nature Electronics)​

  16. Quantum rectification based on room temperature multi-directional nonlinearity in Bi2Te3 (online published in Nano Letter)

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Conferences:​

Invited Talks:​

1. Invited talk on the topic entitled "Next generation high-frequency rectifiers" at 2nd International Conference on Recent Trends in Materials Science& Devices 2023 (ICRTMD-2023).

2. Invited talk on “Spin-rectifiers for the radiofrequency energy harvesting”, at Spin Asia Workshop, 24th Sept-29th Sept, Chiang Mai, Thailand

3. Departmental Expert talk on “Development of high-frequency rectifiers based on spin-torque and nonlinear Hall effect for the 4G to 6G technologies” at the Research and Industry Conclave -2023, IIT Guwahati.​

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Oral presentations:

  1. Raghav Sharma, Giovanni Finocchio, Shunsuke Fukami, Hideo Ohno and Hyunsoo Yang, "Nanoscale spin-rectifiers for harvesting ambient radiofrequency energy", ICM-2024, Bologna, Italy, 30th June - 5th July 2024.

  2. Raghav Sharma, Rahul Mishra, Tung Ngo, YongXin Guo, Shunsuke Fukami, Hideo Sato, and Hideo Ohno and Hyunsoo Yang, “Electrically connected spin torque oscillators array for 2.4 GHz WiFi band transmission”, MMM-Intermag-2022, Online, Jan 10-14, 2022.

  3. Raghav Sharma, Rahul Mishra, Tung Ngo, YongXin Guo, Shunsuke Fukami, Hideo Sato, and Hideo Ohno and Hyunsoo Yang, “Electrically connected spin torque oscillators array for 2.4 GHz WiFi band transmission and energy harvesting”, MH21-2021, Online, July 6-9, 2021.

  4. R. Sharma, N. Sisodia, P. Dürrenfeld, J. Åkerman and P. K. Muduli,” Tuning of Single Sideband Generation by In-Plane Field Angle in Spin Torque Nano-Oscillators”, Intermag-2018, Singapore, April 25, 2018.

  5. R. Sharma, N. Sisodia, P. Dürrenfeld, J. Åkerman and P. K. Muduli,” Time-domain stability of parametric synchronization in a magnetic tunnel junction-based spin torque nano-oscillator”, Nano- magnetism Workshop-2016, IIT Delhi, New Delhi, Nov 29, 2016.

  6. R. Sharma, N. Sisodia, P. Dürrenfeld, J. Åkerman and P. K. Muduli,” Reduction of non- linearity by parametric synchronization in a magnetic tunnel junction based spin torque oscillator”, Mosaic Workshop-2016, Varberg, Sweden, June 16-19, 2016.

  7. Raghav Sharma, E. Iacocca, O. G. Heinonen, J. Åkerman, and P. K. Muduli, “Angle dependence of phase noise in a magnetic tunnel junction based spin torque nano-oscillators”, International Conference on Magnetic Materials and Applications, Guwahati, Assam, India, Dec 5-7, 2013.

 

Poster presentations:

  1. R. Sharma, N. Sisodia, P. Dürrenfeld, J. Åkerman and P. K. Muduli, “Stability in time of the parametric synchronization in a spin-torque nano-oscillator based on a magnetic tunnel junction”, 1st Departmental symposium on advances in Physics-2017” held at IIT Delhi in 16-17 March, 2017.

  2. R. Sharma, N. Sisodia, P. Dürrenfeld, J. Åkerman and P. K. Muduli, “Stability in time of the parametric synchronization in a spin-torque nano-oscillator based on a magnetic tunnel junction”, Nano-India conference” held at IIT Delhi in 14-15 March, 2017.

  3. R. Sharma, N. Sisodia, P. Dürrenfeld, J. Åkerman and P. K. Muduli, “Power dependent time- domain study of parametric synchronization in a magnetic tunnel junction based spin torque oscillator”, 9th International Symposium on Metallic Multilayers (MML-2016), Uppsala, Sweden, June 21-26, 2016.

  4. Raghav Sharma, P. Dürrenfeld, N. Sisodia, J. Åkerman and P. K. Muduli, “Improvement in 1/f Frequency Noise in Parametrically Synchronized Spin Torque Oscillators”, International Conference on Condensed Matter and Applied Physics (ICC-2015), Bikaner, October 30-31, 2015.

  5. Raghav Sharma, P. Dürrenfeld, J. Åkerman, and P. K. Muduli, “Time -domain study of injection locked signal from a magnetic tunnel junction based spin torque oscillators”, International conference on magnetism (ICM-2015), Barcelona, Spain, July 5-10, 2015.

  6. Raghav Sharma, P. Dürrenfeld, M. Ranjbar, R. K. Dumas, J. Åkerman, and P. K. Muduli, “Modulation rate study in spin torque oscillator based wireless communication system”, Intermag-2015, Beijing, China, May 11-15, 2015.

  7. Raghav Sharma, P. Dürrenfeld, J. Åkerman, and P. K. Muduli, “Time-domain study of injection locked signal from a magnetic tunnel junction based spin torque oscillators”, Indo-Japan Workshop on Magnetism at Nanoscale (IJWMN) WORKSHOP, Bhubaneswar, Orissa, India, Jan 9-12, 2015.

  8. Raghav Sharma, P. Dürrenfeld , E. Iacocca, O. G. Heinonen , J. Åkerman, and P. K. Muduli, “Mode-hopping mechanism generating colored noise in a magnetic tunnel junction based spin torque nano-oscillator”, Indo-UK international workshop on Advanced Material and their applications in Nanotechnology (AMAN 2014), Goa, India, May 17-19, 2014.

  9. Raghav Sharma, P. Dürrenfeld, E. Iacocca, O. G. Heinonen , J. Åkerman, and P. K. Muduli, “Origin of 1/f noise in MTJ based spin torque oscillators”, 6th IEEE Magnetic society summer School, Assisi, Italy, June 9-16, 2013.

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