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Prof. Debanjan Polley

Assistant Professor,
Department of Physics

Magnetic thin films and nano-structures, Micromagnetic simulations, Spintronics, THz Spectroscopy, Ultrafast Switching
Birla Institute of Technology & Science, Pilani
Hyderabad Campus
Jawahar Nagar, Kapra Mandal
Dist.-Medchal-500 078
Telangana, India
Office: J-108

Journal Publications

20. "Picosecond spin-orbit torque–induced coherent magnetization switching in a ferromagnet”,  D. Polley, A. Pattabi, A. Rastogi, K. Jhuria, E. Diaz, H. Singh, A. Lemaitre, M. Hehn, J. Gorchon and J. Bokor; Science Advances 9, eadh5562 (2023).

19. "Single-shot switching in Tb/Co-multilayer based nanoscale magnetic tunnel junctions" S. Mondal, D. Polley, A. Pattabi, J. Chatterjee, D. Salomoni, L. Aviles-Felix, A. Olivier, M. Rubio-Roy, B. Dieny, L. D. B. Prejbeanu, R. Sousa, I. L. Prejbeanu and J. Bokor. JMMM 581, 170960 (2023).

18.  "Analysis of Ultrafast Magnetization Switching in Exchange Coupled Ferromagnets" D. Polley, J. Chatterjee, H. Jang and J. Bokor. JMMM 574, 170680 (2023).

17.  "Combining femtosecond laser annealing and shallow ion implantation for local color center creation in diamond" J. Engel, K. Jhuria, D. Polley, T. Lühmann, M. Kuhrke, W. Liu, J. Bokor, T. Schenkel, R. Wunderlich; Applied Physics Letters 122, 234002 (2023).

​16. Megahertz-rate Ultrafast X-ray Scattering and Holographic Imaging at the European XFEL N. Z. Hagström et al., Journal of Synchrotron Radiation 29, 1454 (2022).

15. "Accelerated Ultrafast Magnetization Dynamics at Graphene/CoGd Interfaces with Different Number of Graphene Layers"  S. Mondal, C. Lin, D. Polley,  C. Su,  A. Zettle, S. Salahuddin & J. Bokor;  ACS Nano 16, 9620 (2022).

14. Progress toward picosecond on-chip magnetic memory D. Polley, A. Pattabi, J. Chatterjee, S. Mondal, K. Jhuria, H. Singh, J. Gorchon and J. Bokor; Applied Physics Letters 120, 140501 (2022) [selected as an editorial pick]

13. RKKY Exchange Bias Mediated Ultrafast All‐Optical Switching of a Ferromagnet J. Chatterjee, D. Polley, A. Pattabi, H. Jang, S. Salahuddin, and J. Bokor; Advanced Functional Materials 32, 2107490 (2022).

12. ''Inertial spin dynamics in ferromagnets'' K. Neeraj, N. Awari, S. Kovalev, D. Polley, N. Zhou Hagström, S. S. P. K. Arekapudi, A. Semisalova, K. Lenz, B. Green, J. -C. Deinert, I. Ilyakov, Min Chen, M. Bawatna, V. Scalera, M. d’Aquino, C. Serpico, O. Hellwig, J. -E. Wegrowe, M. Gensch & S. Bonetti; Nature Physics 17, 245 (2020).

11. ''Terahertz magnetic field enhancement in an asymmetric spiral metamaterial" D. Polley, N. Zhöu Hagström, C. von Kroff Schmising, S. Eisebitt, and S. Bonetti; Journal of Physics B: Atomic, Molecular and Optical Physics, 51, 224001 (2018).​

10.  THz-driven demagnetization with perpendicular magnetic anisotropy: towards ultrafast ballistic switching D. Polley, M. Pancaldi, M. Hudl, P. Vavassorri, S. Urazhdin, and S. Bonetti; Journal of Physics D: Applied Physics  51, 084001 (2018). 

9.  Efficient Terahertz Anti-Reflection Properties of Metallic Anti-Dot Structures K. Neeraj, S. Choudhury, D. Polley, R. Acharya, J. Sinha, A. Barman, and R. K. Mitra; Optics Letters 42, 1764 (2017). 

8. Terahertz Conductivity Engineering in Surface Decorated Carbon Nanotube Films by Gold Nanoparticles D.Polley, A. Patra, A. Barman, and R. K. Mitra; Applied Optics 56, 1107 (2017). 

7. Diameter Dependent Shielding Effectiveness and Terahertz Conductivity of Multi-walled Carbon Nanotubes D. Polley, K. Neeraj, A. Barman, and R. K. Mitra; JOSA B 33, 2430 (2016).

6. Ultrafast Dynamics and THz Oscillation in [Co/Pd]8 Multilayers S. Pal, D. Polley, R. K. Mitra, and A. Barman; Solid State Communication 221, 50 (2015).

5. Controllable terahertz conductivity in single-walled carbon nanotube/polymer composites D. Polley, A. Barman, and R. K. Mitra; Journal of Applied Physics 117, 023115 (2015).

4. EMI shielding and conductivity of carbon nanotube-polymer composites at terahertz frequency D. Polley, A. Barman, and R. K. Mitra; Optics Letters 39, 1541 (2014).

3. Dielectric relaxation of the extended hydration sheathe of DNA in the THz frequency region D. Polley, A. Patra, and R. K. Mitra; Chemical Physics Letters 586, 143 (2013).

2. Polarizing effect of aligned nanoparticles in terahertz frequency region D. Polley, A. Ganguly, A. Barman, and R. K. Mitra; Optics Letters 38, 2754 (2013).

1. Magnetization reversal dynamics in Co nanowires with competing magnetic anisotropies S. Pal, S. Saha, D. Polley, and A. Barman; Solid State Communications 151, 1994 (2011).