Publications

All Publications

    ~ 2024 ~

  1. Kapil Dev, V R Reddy, Rohit Medwal, Surbhi Gupta, Chung-Li Dong, Chi Liang Chen, Asokan Kandasami, S Annapoorni, Magnetization dynamics and domain reversal in electrodeposited permalloy thin films: impact of thickness and annealing treatment, Physica Scripta, (2024), IOP Publishing.

  2. Sourabh Manna, Rohit Medwal, John Rex Mohan, Yasuhiro Fukuma, Rajdeep Singh Rawat, Phase binarization in mutually synchronized bias field free spin-Hall nano-oscillators for reservoir computing, Phys. Rev. B, (2024), Volume 109, Issue 21, Pages 214425, American Physical Society.

  3. Kapil Dev, Ankit Kadian, V R Reddy, Rohit Medwal, S Annapoorni, Magnetization Switching Dynamics of Electrodeposited Fe–Ni Thin Films, Journal of Superconductivity and Novel Magnetism, (2024), Pages 1-13, Springer US.

  4. A Bordoloi, Suchit Kumar Jena, Priyanka Tiwari, Arjit Datta, Bruno Weise, Rohit Medwal, Rajdeep Singh Rawat, Subhash Thota, Charge-ordering breakdown dynamics and ferromagnetic resonance studies of B-site Cu diluted Pr1‒xSrxMnO3, Journal of Physics: Condensed Matter, (2024), Volume 36, Issue 29, Pages 295802, IOP Publishing.

  5. Ayush K Gupta, Sourabh Manna, Rajdeep Singh Rawat, Rohit Medwal, Magnetization dynamics due to field interplay in external field free spin Hall nano-oscillators, Physical Review B, (2024), Volume 109, Issue 13, Pages 134421, American Physical Society.

  6. Joseph Vimal Vas, Rohit Medwal, Sourabh Manna, Mayank Mishra, Aaron Muller, John Rex Mohan, Yasuhiro Fukuma, Martial Duchamp, Rajdeep Singh Rawat, Direct visualization of local magnetic domain dynamics in a 2D Van der Walls material/ferromagnet interface, arXiv e-prints, (2024), arXiv: 2404.03177.

  7. Mahammad Tahir, Dhananjay Tiwari, Abhishek Juyal, Rohit Medwal, Soumik Mukhopadhyay, Interfacial magnetic anisotropy controlled spin pumping in Co60Fe20B20/Pt stack, SPIN, (2024).

  8. Piyush Agarwal, Sobhan Subhra Mishra, Rohit Medwal, John Rex Mohan, Hironori Asada, Yasuhiro Fukuma, Ranjan Singh, Reconfigurable Chiral Spintronic THz Emitters, Advanced Optical Materials, (2024), Page 2303128.

    ~ 2023 ~

  1. Piyush Agarwal, Yingshu Yang, Rohit Medwal, Hironori Asada, Yasuhiro Fukuma, Marco Battiato, Ranjan Singh, Secondary spin current driven efficient THz spintronic emitters, Advanced Optical Materials, (2023).

  2. Sourabh Manna, Rohit Medwal, Rajdeep Singh Rawat, Reconfigurable neural spiking in bias field free spin Hall nano-oscillator, Physical Review B, (2023).

  3. Tania Kalsi, P Sakthivel, Sachin Kumar Godara, Rohit Medwal, Nupur Sxaena, Pragati Kumar, Depreciative behavior of nanotwinning towards emission in Ag doped CdS QDs, Optical and Quantum Electronics, (2023).

  4. S. Das, R. K. Dokala, B. Weise, P. K. Mishra, Rohit Medwal, Rajdeep Singh Rawat, and S. Thota, Phonon scattering and magnetic manifold switching in (GdSm)CrO3, Phys. Rev. Materials 7, 084410, , (2023).

  5. Piyush Agarwal, Rohit Medwal, Keynesh Dongol, John Rex Mohan, Yingshu Yang, Hironori Asada, Yasuhiro Fukuma, Ranjan Singh, Interfacial spintronic THz emission, arXiv preprint, (2023).

  6. Sachin Kumar, Sourabh Manna, John Rex Mohan, Utkarsh Shashank, Joseph Vimal Vas, Mayank Mishra, Surbhi Gupta, Hironori Asada, Yasuhiro Fukuma, Rajdeep Singh Rawat, Rohit Medwal, Pulsed Hot Dense Oxygen Plasma Irradiation of Platinum for Improved Spin Hall Effect, SPIN, (2023).

  7. Utkarsh Shashank, Angshuman Deka, Chen Ye, Surbhi Gupta, Rohit Medwal, Rajdeep Singh Rawat, Hironori Asada, X Renshaw Wang, Yasuhiro Fukuma, Room‐Temperature Charge‐to‐Spin Conversion from Quasi‐2D Electron Gas at SrTiO3‐Based Interfaces, physica status solidi (RRL)–Rapid Research Letters, (2023).

  8. Ayush K Gupta, Sourabh Manna, Rajdeep Singh Rawat, Rohit Medwal, Magnetization dynamics due to field interplay in field free spin hall nano oscillators, arXiv preprint, (2023).

  9. Arun Jacob Mathew, John Rex Mohan, Ruoyan Feng, Rohit Medwal, Surbhi Gupta, Rajdeep Singh Rawat, Yasuhiro Fukuma, Evaluation of Memory Capacity and Time Series Prediction Using a Spin Hall Oscillator as Reservoir. IEEE transaction on Magnetics 59, 6 (2023).

  10. N Manikanthababu, C Joishi, J Biswas, K Prajna, K Asokan, JV Vas, R Medwal, RC Meena, S Lodha, R Singh, Ion Irradiation-Induced Interface Mixing and the Charge Trap Profiles Investigated by In Situ Electrical Measurements in Pt/Al2O3/ β-Ga2O3 MOSCAPs. IEEE transaction on Magnetics 70, 7 (2023).

  11. Amrendra Kumar, Utkarsh Shashank, Suman Kumar Maharana, John Rex Mohan, Surbhi Gupta, Hironori Asada, Yasuhiro Fukuma, Rohit Medwal, Unconventional spin polarization at Argon ion milled SrTiO3 Interfaces, arXiv preprint, (2023).

  12. Tania Kalsi, Sachin Kumar Godara, Rohit Medwal, Pragati Kumar, Dopant mediated augmentation of nanotwinning and anomalous emission behaviour, Journal of Luminescence, (2023).

  13. Utkarsh Shashank, Yoji Nakamura, Yu Kusaba, Takafumi Tomoda, Razia Nongjai, Asokan Kandasami, Rohit Medwal, Rajdeep Singh Rawat, Hironori Asada, Surbhi Gupta, Yasuhiro Fukuma, Disentanglement of intrinsic and extrinsic side-jump scattering induced spin Hall effect in N-implanted Pt, Physical Review B, (2023).

  14. Sourabh Manna, Rohit Medwal, Surbhi Gupta, John Rex Mohan, Yasuhiro Fukuma, Rajdeep Singh Rawat, Anisotropy-assisted bias-free spin Hall nano-oscillator, Applied Physics Letters, (2023).

  15. John Rex Mohan, Arun Jacob Mathew, Kazuma Nishimura, Ruoyan Feng, Rohit Medwal, Surbhi Gupta, Rajdeep Singh Rawat, Yasuhiro Fukuma, Classification tasks using input driven nonlinear magnetization dynamics in spin Hall oscillator. Scientific Reports 13, 7909 (2023).

    ~ 2022 ~

  1. Utkarsh Shashank, Angshuman Deka, Chen Ye, Surbhi Gupta, Rohit Medwal, Rajdeep Singh Rawat, Hironori Asada, X Renshaw Wang, Yasuhiro Fukuma, Room-Temperature Charge-to-Spin Conversion from Quasi-2D Electron Gas at SrTiO3-Based Interfaces, Aphysica status solidi (RRL)–Rapid Research Letters, doi: https://doi.org/10.1002/pssr.202200377.(2022).

  2. Avinash Chaurasiya, Ziqi Li, Rohit Medwal, Surbhi Gupta, John Rex Mohan, Yasuhiro Fukuma, Hironori Asada, Elbert EM Chia, Rajdeep Singh Rawat, Piezoelectric Strain Control of Terahertz Spin Current, Advanced Optical Materials, doi: https://doi.org/10.1002/adom.202201929.(2022).

  3. Subhash Thota, Mohindar S Seehra, Mouli Roy Chowdhury, H Singh, Sayandeep Ghosh, SK Jena, P Pramanik, T Sarkar, Rajdeep Singh Rawat, Rohit Medwal, Bruno Weise Unraveling the nature of ferrimagnetism and associated exchange interactions in distorted honeycomb, Physical Review B.(2022)

  4. N Manikanthababu, Hardhyan Sheoran, K Prajna, SA Khan, K Asokan, Joseph Vas, Rohit Medwal, BK Panigrahi, R Singh, In Situ Electrical Characteristics and Defect Dynamics Induced by Swift Heavy Ion Irradiation in Pt/PtO/-GaO Vertical Schottky Barrier Diodes, IEEE Transactions on Electron Devices, doi: 10.1109/TED.2022.3207702.(2022).

  5. Bipul Kr Mahato, Rohit Medwal, Santu Baidya, Durgesh Kumar, SN Piramanayagam, Rajdeep Singh Rawat, Spin Hall angle of rhodium and its effects on magnetic damping of Ni80Fe20 in Rh/Ni80Fe20 bilayer, Journal of Magnetism and Magnetic Materials, 555:169404, (2022).

  6. Shaona Das, Ravi Kiran Dokala, Bruno Weise, Rohit Medwal, Rajdeep Singh Rawat, Pankaj Kumar Mishra, Subhash Thota, Effect of Ce substitution on the local magnetic ordering and phonon instabilities in antiferromagnetic DyCrO3 perovskites, Journal of Physics: Condensed Matter,IOP Publishing, 34 345803, (2022).

  7. Piyush Agarwal, Yingshu Yang, James Lourembam, Rohit Medwal, Marco Battiato, Ranjan Singh, Terahertz spintronic magnetometer (TSM), Applied Physics Letters, 120(16):161104, (2022).

  8. Shaona Das, Ranganadha Gopalarao Tanguturi, Sayandeep Ghosh, Ravi Kiran Dokala, Rohit Medwal, Surbhi Gupta, Zhuo Yan, Yan Qi, Rajdeep Singh Rawat, Subhash Thota, Substrate orientation dependent characteristics of half-metallic and metallic superlattices [La0.7Sr0.3MnO3/LaNiO3]10, Journal of Applied Physics, 131(12):125305, (2022).

  9. Utkarsh Shashank, Rohit Medwal, Yoji Nakamura, John Mohan, Razia Nongjai, Asokan Kandasami, Rajdeep Rawat, Hironori Asada, Surbhi Gupta, Yasuhiro Fukuma Enhancement of spin Hall effect in O-implanted Pt by side jump scattering, Bulletin of the American Physical Society, (2022).

  10. Rakesh Malik, V Raghavendra Reddy, Joseph Vimal Vas, Rohit Medwal, S Annapoorni, Designed Synthesis of FexCo100−x Alloy Nanoparticles by Polyol Reduction: An Evolution of Structural, Morphological and Magnetic Properties, IEEE Transactions on Magnetics, vol. 58, no. 8, pp. 1-6, Aug. 2022, Art no. 2301206, doi: 10.1109/TMAG.2022.3151884.

  11. R Maruthi, Mohindar S Seehra, Sayandeep Ghosh, Rohit Medwal, Rajdeep S Rawat, Bruno Weise, Eun Sang Choi, Subhash Thota, Determination of the tricritical point, H–T phase diagram and exchange interactions in the antiferromagnet MnTa2O6, Journal of Physics: Condensed Matter, 34(15):155801, (2022).

  12. M Seehra, Sayandeep Ghosh, Rohit Medwal, Rajdeep S Rawat, Bruno Weise, Eun Sang Choi, Subhash Thota, Determination of the Tricritical point, H-T phase diagram and Exchange Interactions in the Antiferromagnet MnTa2O6., Journal of physics. Condensed Matter: an Institute of Physics Journal, (2022).

    ~ 2021 ~

  1. Rohit Medwal, Angshuman Deka, Joseph Vimal Vas, Martial Duchamp, Hironori Asada, Surbhi Gupta, Yasuhiro Fukuma, and Rajdeep Singh Rawat, Facet controlled anisotropic magnons in Y3Fe5O12 thin films, Applied Physics Letters, 119, 162403 (2021).

  2. Piyush Agarwal, Rohit Medwal, Abhishek Kumar, Hironori Asada, Yasuhiro Fukuma, Rajdeep Singh Rawat, Marco Battiato, and Ranjan Singh, Photothermal switching of terahertz spin current. Advanced Functional Materials, 2010453 (2021).

  3. J. V. Vas, Rohit Medwal, Mayank Mishra, U. Chaudhuri, R. Mahendran, A. Chaurasiya, S. N. Piramanayagam, R. S. Rawat and L.C. K. Paul, Broad-energy Oxygen Ion Implantation Controlled Magnetization Dynamics in CoFeTaZr, Journal of Alloys and Compounds159685, (2021).

  4. John Rex Mohan, Surbhi Gupta, Kriti Gogia, Rekha Gupta, Rajdeep Singh Rawat, Subramanian Annapoorni, Rohit Medwal and Yasuhiro Fukuma Nonstoichiometric FePt Nanoclusters for Heated Dot Magnetic Recording Media, ACS Applied Nano Materials, 4, 7079-7085.(2021).

  5. S. Gupta, L. J. Feng, Rohit Medwal, J. V. Vas, M. Mishra, C. Tay, W. W. Nicholas, G. R. Deen, L. C. K. Paul, and R. S. Rawat Spin-casted (Gd-Zn) co-doped BiFeO3 thin films for sustainable oxide-electronic, Material Science in Semiconductor Processing 132,105902, (2021).

  6. K. V. Sreekanth, C. M. Das, Rohit Medwal, M. Mishra, Q. Ouyang, R. S. Rawat, K.-T. Yong and R. Singh, Electrically tunable singular phase and Goos-Hänchen shifts in phase change material based thin-film optical absorbers,, Advanced material, 2006926 (2021).

  7. J. V. Vas, J. Q. Pan, N. L. Wang, J. H. Xu, Rohit Medwal, M. Mishra, Jianyi Pae, M.V.Matham, L. C. K. Paul and R.S. Rawat, Plasma Processed Tungsten for Fusion Reactor First-wall Material, Journal of Material Science, 56, 10494-10509 (2021).

  8. Elizaveta Tyukalova, Joseph Vas, Reinis Ignatans, Aaron Mueller, Rohit Medwal, Rajdeep Rawat, Vasiliki Tileli, Martial Duchamp Challenges and Applications to Operando and In Situ TEM Imaging and Spectroscopic Capabilities in a Cryogenic Temperature Range, Accounts of Chemical Research 54, 16, 3125-3135, (2021)

  9. K. V. Sreekanth, Rohit Medwal, C. M. Das, Manoj Gupta, M. Mishra, K.-T. Yong, R. S. Rawat, and R. Singh, Electrically tunable all-PCM visible plasmonics, Nano Letters, 21, 9 4044, (2021).

  10. B. K. Mahato, Rohit Medwal, G. R. Deen, S. N. Piramanayagam, R. S. Rawat, Effect of Light and Heat on Polymer Based Resistive Random-Access Memory, Rapid Research Letters, 2100050, (2021).

  11. Subhash Thota, Sayandeep Ghosh, Maruthi R, Deep C. Joshi, Rohit Medwal, Rajdeep S. Rawat, and Mohindar S. Seehra, Magnetic ground state and exchange interactions in the Ising chain ferromagnet CoNb2O6, , Phys. Rev. B, 064415 (2021).

  12. Prakash Pitchappa, Abhishek Kumar, Saurav Prakash, Hariom Jani, Rohit Medwal, Mayank Mishra, Rajdeep Singh Rawat, Thirumalai Venkatesan, Nan Wang and Ranjan Singh, Volatile ultrafast switching at multilevel nonvolatile states of phase change material for flexible terahertz metadevices, Advanced Functional Material, 2100200 (2021).

  13. Garima Vashisht, Utkarsh Shashank, Surbhi Gupta, Rohit Medwal, C.L. Dong, C.L. Chen, K. Asokan, Y. Fukuma and S Annapoorni, Pinning-assisted out of plane anisotropy in reverse stack FeCo/FePt intermetallic bilayers for controlled switching in spintronics, , Journal of Alloys and Compound, 160249, (2021).

  14. R. Maruthi, Sayandeep Ghosh, Mohindar S. Seehra, Deep C. Joshi, Mouli R. Chowdhury, Rohit Medwal, Rajdeep S. Rawat, Bruno Weise, and Subhash Thota, , Journal of Physics: Condensed Matter, 33, 345801, (2021).

  15. Utkarsh Shashank, Rohit Medwal, Yoji Nakamura, John Rex Mohan, Razia Nongjai, Asokan Kandasami, Rajdeep Singh Rawat, Hironori Asada, Surbhi Gupta and Yasuhiro Fukuma, Highly dose dependent damping-like spin-orbit torque efficiency in O-implanted Pt, , Applied Physics Letter 118, 252406 (2021).

  16. Priya Sharma, Joseph Vimal Vas, Rohit Medwal, Mayank Mishra, Avinash Chaurasiya, Meng Tzee Luai, Zhang Zheng, Varun Chaudhary, Raju V. Ramanujan, Lee Choon Keat Paul1, Chijin Xiao and Rajdeep Singh Rawat, High energy density pulsed argon plasma synthesized nanostructured tungsten for damage mitigation under fusion relevant energetic he ion irradiation, , Applied Surface Science Advances6, 100172, (2021).

  17. Shaona Das, Sayandeep Ghosh, Ranganadha Tanguturi, Rohit Medwal, Surbhi Gupta, Ravi Dokala, Rajdeep Rawat, Sujit Das, and Subhash Thota, The Role of Epitaxial Strain on the Electronic and Magnetic Structure of La0.7Sr0.3MnO3/LaCoO3 Bilayers, Journal of Physics: Condensed Matter, (2021).

    18. .
  18. R. K. Dokala, S. Das, B. Weise, R. Medwal, R. S. Rawat, and S. Thota, Magnetization Reversal, Field-Induced Transitions and H-T Phase Diagram in Insulating Y1−xCexCrO3, Accepted in AIP Advances, (2021).

  19. Kandammathe Valiyaveedu Sreekanth, Rohit Medwal, Yogesh Kumar Srivastava, Manukumara Manjappa, Rajdeep Singh Rawat, and Ranjan Singh, , Accepted in Nano Letters, (2021).

  20. Front Cover: Enhanced Spin Hall Effect in S‐Implanted Pt, Adv. Quantum Technol, (2021).

    ~ 2020 ~

  1. Utkarsh Shashank, Rohit Medwal, Taiga Shibata, Razia Nongjai, Joseph Vimal Vas, Martial Duchamp, Kandasami Asokan, Rajdeep Singh Rawat, Hironori Asada, Surbhi Gupta, and Yasuhiro Fukuma, Enhanced spin Hall effect in S-implanted Pt, Advanced Quantum Technologies, 2000112 (2020).

  2. Jain Yi Pae, Rohit Medwal , R. V. Nair, A. Chaurasiya, R. S. Rawat, V. M. Murukeshan, Electro-Ionic Control of Surface Plasmons in Graphene-Layered Heterostructures, Nano Letters, 20, 8305-8311 (2020).

  3. Rohit Medwal, Ushnish Chaudhuri, Joseph Vimal Vas, Angshuman Deka, Surbhi Gupta, Martial Duchamp, Hironori Asada, Yasuhiro Fukuma, Ramanathan Mahendiran, and Rajdeep Singh Rawat, Magnetoimpedance in Epitaxial Y3Fe5O12 (001) Thin Film in Low-Frequency Regime, ACS Applied Materials & Interfaces, 12, 37, 41802–41809 (2020).

  4. A. Chaurasiya, P. Pal, J. V. Vas, D. Kumar, S. N. Piramanayagam, A. K. Singh, Rohit Medwal, and R. S. RawatNickel ferrite embedded polyvinylidene fluoride composite based flexible magneto-electric systems, , Ceramics International, 46, 25873-25880, (2020).

  5. Pranav Kulkarni, R. Geetha Balkrishna, Debasis Ghosh, R. S. Rawat, Rohit Medwal, B. V. R. Chowdari, Zaghib Karim, and M.V.Reddy, Molten salt synthesis of CoFe2O4 and its energy storage properties, Materials Chemistry and Physics, 257, 123747 (2020).

  6. I. A. Khan, Rohit Medwal, S Fareed, A Farid, J V Vas, M V Reddy and R S Rawat, Nanostructured polycrystalline Ni3S2 as electrode material for lithium ion batteries, Materials Research Express, 7, 015517, (2020).

  7. S. Fareed, Rohit Medwal, Joseph Vimal Vas, Ijaz A. Khan, Rajdeep Singh Rawat, and M. A. Rafiq Tailoring oxygen sensing characteristics of Co3O4 nanostructures through Gd doping, Ceramics International, 46, 4690-4699 (2020).

    ~ 2019 ~

  1. Rohit Medwal, Surbhi Gupta, Rajdeep S. Rawat, Annapoorni Subramanian, and Yasuhiro Fukuma Spin Pumping in Asymmetric Fe50Pt50/Cu/Fe20Ni80 Trilayer Structure, Physica status solidi (RRL) - Rapid Research Letters, 13, 1900267 (2019).

  2. Jian Yi Pae, Rohit Medwal, Joseph Vimal Vas, Murukeshan Vadakke Matham, and Rajdeep Singh Rawat, Remote plasma-assisted low-temperature large-area graphene synthesis, Journal of Vacuum Science & Technology B, 37, 041201 (2019).

  3. Kandammathe Valiyaveedu Sreekanth, Mohamed ElKabbash, Rohit Medwal, Jihua Zhang, Theodore Letsou, Giuseppe Strangi, Michael Hinczewski, Rajdeep S. Rawat, Chunlei Guo, and Ranjan Singh, Generalized Brewster Angle Effect in Thin-Film Optical Absorbers and Its Application for Graphene Hydrogen Sensing, ACS Photonics, 6, 1610 (2019).

    ~ 2018 ~

  1. Surbhi Gupta, Rohit Medwal, S.P. Pavunny, D. Sanchez, R.S. Katiyar, Temperature dependent Raman scattering and electronic transitions in rare earth SmFeO3, Ceramic International44, 4198–4203 (2018).

  2. Rohit Medwal, S. Gupta, S. P. Pavunny, R. K. Katiyar, R. Thomas, and R. S. Katiyar, Low-voltage-driven Pt/BiFeO3/DyScO3/p-Si-based metal–ferroelectric–insulator–semiconductor device for non-volatile memory, Journal of Material Science53, 4274–4282 (2018).

  3. Neeru Sehdev, Rohit Medwal, Rakesh Malik, Asokan Kandasami, Dinakar Kanjilal, and S. Annapoorni Thermal annealing and transient electronic excitations induced interfacial and magnetic effects on Pt/Co/Pt trilayer, Nuclear Instruments and Methods in Physics, 420, 50-58, (2018).

  4. Rohit Medwal, Sanjeev Gautam, Surbhi Gupta, Keunhwachae Chae, Asokan Kandasami, Gulam Roshan Deen, Rajdeep Singh Rawat, Ram Katiyar, S. Annapoorni, Self-stabilized carbon-L10 FePt nanoparticles for heated dot recording media, IEEE Magnetics Letters, 9, 5504105 (2018).

    ~ 2017 ~

  1. Surbhi Gupta, Rohit Medwal, D. Kodama, K. Kondou, Y. Otani and Y. Fukuma, Important role of magnetization precession angle measurement in inverse spin Hall Effect induced by spin pumping, Applied Physics Letters, 110, 022404 (2017).

  2. Rohit Medwal, Neeru Sehdev, Wang Ying, R. S. Rawat and S. Annapoorni, Dense-plasma-driven ultrafast formation of FePt organization on silicon substrate, Bulletin of Materials Science, 40:1-6 (2017).

    ~ 2015 ~

  1. Rekha Gupta, Rohit Medwal and S. Annapoorni, Direct evidence of chemical ordering in the FePt nanostructured alloy by HR-TEM, Superlattices and Microstructures, 83, 459-465, (2015).

  2. Surbhi Gupta, Rohit Medwal, Tej B. Limbu, Rajesh K. Katiyar, Shojan P. Pavunny, Monika Tomar, G. Morell, Vinay Gupta, R. S. Katiyar, Graphene/semiconductor silicon modified BiFeO3/indium tin oxide ferroelectric photovoltaic device for transparent self-powered windows, Applied Physics Letter, 107, 062902 (2015).

  3. Rohit Medwal, Surbhi Gupta, Shojan P Pavunny, Rajesh K Katiyar, S Annapoorni, R S Katiyar, Coherent phonon modes in nanostructured zinc oxide synthesized by arc-exploding technique, Material Letters, 160, 183 -185 (2015).

  4. Apurve Saini, Rohit Medwal, Saurabh Bedi, Bharat Mehta, Rekha Gupta, Thomas Maurer, Jerome Plain and S. Annapoorni, Axonic Au tips induced enhancement in Raman spectra and biomolecular sensing,, Plasmonics, 10, 617-623 (2015).

    ~ 2014 ~

  1. Neeru Sehdev, Rohit Medwal, Rakesh Malik, Dinesh Chandra Agarwal, K. Asokan, D. Kanjilal, S. Annapoorni, Defects mediated diffusion in Pt/Co/Pt multilayers induced by dense electronic excitations, Current Applied Physics, 14 455-461, (2014).

  2. Y. Wang, Rohit Medwal, Neeru, R. S. Rawat, U. Ilyas, P. Lee and T. L. Tan, Elimination of impurity phase formation in FePt magnetic thin films prepared by pulsed laser deposition, Applied surface sciences, 288, 381-391, (2014).

  3. Rekha Gupta, Rajan goyal, Rohit Medwal, S. Annapoorni, Structural and magnetic transformation in electrochemically synthesized FePt thin films on Si/Pt electrodes, AIP Conference Proceedings, 1591, 107 (2014).

  4. Lalit Kumar, Rohit Medwal, P Sen and S. Annapoorni, Processing temperature driven morphological evolution of ZnO nanostructures prepared by electro exploding wire technique, Materials Research Express, 1, 015045-1-13, (2014).

  5. N. Kamal Singh, Rohit Medwal, S. Annapoorni, Au-ZnO hybrid nanostructures prepared by electro-exploding wire technique: Raman signal enhancement and photoluminescence emission quenching, Journal of Material Science, 49, 8386, (2014).

  6. Rohit Medwal, Neeru Sehdev, Alok Banerjee and S. Annapoorni, Room temperature coercivity and interaction effects in L10 FePt nanoparticle, Journal of Physics D: Applied Physics, 47, 355002-1-6, (2014).

  7. Rohit Medwal, Kriti Gogia, Dhruv Thakar, Vaibhav Vibhu, John Rex Mohan, Neeru Sehdev and S.Annapoorni, Effect of functionalization on positional ordering of 3nm FePt nanoparticles: Langmuir–Blodgett monolayer, Surface and Coating Technology, 258, 509-514, (2014).

    ~ 2013 ~

  1. Rekha Gupta, Rohit Medwal, Preeti Sharma, Ajit K Mahapatro, S Annapoorni, Effect of Pt layers on chemical ordering in FePt thin films, Superlattices and Microstructures, 64, 408-417, (2013).

  2. Rohit Medwal, Neeru Sehdev and S. Annapoorni, Temperature dependent magnetic and structural ordering of self-assembled magnetic array of FePt nanoparticles, Journal of Nanoparticle Research, 15, 1423-1-10, (2013).

  3. Neeru Sehdev, Rohit Medwal, Dinesh Chandra Agarwal and S. Annapoorni, Correlation of interlayer diffusion with the stoichiometric composition of RF sputtered Pt/Co/Pt sandwiched structures, Journal of Material Science, 48 , 3192-3197, (2013).

  4. Rekha Gupta, Rohit Medwal, S. Annapoorni, Phase investigation in Pt supported off-stoichiometric iron-platinum thin films, , 48, 3881–3886, (2013).

  5. Rekha Gupta, Rohit Medwal, Neeru Sehdev, S. Annapoorni, Pt diffusion driven L10 ordering in off-stoichiometric FePt thin films, Journal of Magnetism and Magnetic materials, 345, 60–64, (2013).

    ~ 2012 ~

  1. Neeru Sehdev, Rohit Medwal and S. Annapoorni, Ag assisted evolution of ordered L10 CoPt alloy nanoparticles, Journal of Alloys and Compounds, 522, 85-89, (2012).

  2. Rohit Medwal, Neeru Sehdev and S. Annapoorni Order- Disorder investigation of hard magnetic nanostructured FePt Alloy, Journal of Physics D: Applied Physics, 45 , 055001-1-6, (2012).

  3. Rohit Medwal, Neeru Sehdev, Govind, S. Annapoorni Electronic states of self-stabilized L10 FePt alloy nanoparticles, Applied Physics A: Material Science and Processing, 109, 403-408, (2012).

    ~ 2011 ~

  1. Neeru Sehdev, Rohit Medwal and S. Annapoorni, Enhanced phase stabilization of CoPt in the presence of Ag, Journal of Applied Physics, 110 033901 -1-7, (2011).

Selected Publications

Phone: 0512-259-7947
Email: rmedwal@iitk.ac.in
Department of Physics
Indian Institute of Technology Kanpur