Publications (from 2015)

For updated publications, please visit the Google Scholar page of Prof. Prem

2022

  • Kumar, D., Jin, T., Sbiaa, R., Kläui, M., Bedanta, S., Fukami, S., Ravelosona, D., Yang, S., Liu, X. & Piramanayagam, S. N. (2022). Domain wall memory: Physics, materials, and devices. Physics Reports, 958, 1-35. Free download until end-April 2022
  • Monalisha, P. Anil Kumar, P.S., Wang Xiao Renshaw, Piramanayagam, S.N., (2002) Emulation of Synaptic Plasticity on a Cobalt-Based Synaptic Transistor for Neuromorphic Computing ACS Applied Materials and Interfaces, 14(9), 11864-11872
  • Chaudhary, V.**, Piramanayagam, S.N., (2022). New Development of Permanent Magnets Through Grain Boundary Diffusion and Nanostructuring, Nano 17(01) 2130010

  • 2021

  • Kumar, D.*, Chan, J.P.*, Piramanayagam, S.N., (2021) Domain wall pinning through nanoscale interfacial Dzyaloshinskii-Moriya interaction Journal of Applied Physics 130(21) 213901
  • Mah, W. L. W.*, Kumar, D*., Jin, T. L*., & Piramanayagam, S. N. (2021). Domain wall dynamics in (Co/Ni)(n) nanowire with anisotropy energy gradient for neuromorphic computing applications. Journal of Magnetism and Magnetic Materials, 537 168131
  • Mahato, B. K., Medwal, R., Deen, G. R., Piramanayagam, S. N., & Rawat, R. S. (2021). Effect of Light and Heat on Polymer-Based Resistive Random Access Memory. Physica Status Solidi-Rapid Research Letters, 15(6). doi:10.1002/pssr.202100050
  • Vas, J. V., Medwal, R., Chaudhuri, U., Mishra, M., Chaurasiya, A., Mahendiran, R., . . . Lee, C. K. P. (2021). Broad-energy oxygen ion implantation controlled magnetization dynamics in CoFeTaZr. Journal Of Alloys And Compounds, 872. 159685
  • Shreya, S., Verma, G., Piramanayagam, S.N., Kaushik, B.K., (2021). Energy-Efficient All-Spin BNN Using Voltage-Controlled Spin-Orbit Torque Device for Digit Recognition. IEEE Transactions on Electron Devices, 68(1) 385-392.


  • 2020

  • Chaurasiya, A; Pal, P; Vas, JV; Kumar, D; Piramanayagam, SN; Singh, AK; Medwal, R; Rawat, RS, (2020). Nickel ferrite embedded polyvinylidene fluoride composite based flexible magneto-electric systems, Ceramics International 46 25873-25880. #
  • Jin, TL; Law, WC; Kumar, D; Luo, FL; Wong, QY; Lim, GJ; Wang, X; Lew, WS; Piramanayagam, SN, (2020). Enhanced spin-orbit torque efficiency in Pt/Co/Ho heterostructures via inserting Ho layer, APL Materials, 8 111111. #
  • Kumar, D. Sengupta, P. Sbiaa, R. Piramanayagam, SN, (2020). Spin transfer torque induced domain wall oscillations in ferromagnetic nanowire with a nanoscale Dzyaloshinskii-Moriya interaction region, Journal of Magnetism and Magnetic Materials, 507 166807. #
  • Al Risi, S; Bhatti, S; Al Subhi, A; Piramanayagam, SN; Sbiaa, R, (2020). Magnetic domain structure and magnetization reversal in (Co/Ni) and (Co/Pd) multilayers, Journal of Magnetism and Magnetic Materials, 503 166579. #
  • Mohammed, H., Al Risi, S., *Jin, T.L, Kosel, J, Piramanayagam, S.N, Sbiaa, R, (2020). Controlled spin-torque driven domain wall motion using staggered magnetic wires. Applied Physics Letters, 116, 032402.## (featured article in Applied Physics Letters)


  • 2019

  • *Jin, T.L, Tan, F.N, Ang, C.C.I, Gan, W.L, Cao, J.W, Lew, W.S, and Piramanayagam, S.N. (2019). Tilted magnetisation for domain wall pinning in racetrack memory. Journal of Magnetism and Magnetic Materials, 489, 165410.#
  • *Jin, T.L, Gan, W.L, Tan, F.N, Sernicola, N.R, Lew, W.S, and Piramanayagam, S.N. (2019). Synaptic element for neuromorphic computing using a magnetic domain wall device with synthetic pinning sites. Journal of Physics D-Applied Physics, 52(44), 445001. #
  • *Bhatti, S, Ma, C, Liu, X.X, and Piramanayagam, S.N. (2019). Realization of Energy Harvesting Based on Stress-Induced Modification of Magnetic Domain Structures in Microwires. IEEE Transactions on Magnetics, 55(7), 2301107.
  • Zheng, C, Zhu, K, De Freitas, S.C, Chang, J.Y, Davies, J.E, Eames, P, Freitas, P.P, Kazakova, O, Kim, C, Leung, C.W, Liou, S.H, Ognev, A, Piramanayagam, S.N, Ripka, P, Samardak, A, Shin, K.H, Tong, S.Y, Tung, M.J, Wang, S.X, Xue, S.S, Yin, X.L, and Pong, P.W.T. (2019). Magnetoresistive Sensor Development Roadmap (Non-Recording Applications). IEEE Transactions on Magnetics, 55(4), 0800130.
  • *Jin, T.L, Tan, F.N, Law, W.C, Gan, W.L, Soldatov, I, Schafer, R, Ma, C, Liu, X.X, Lew, W.S, and Piramanayagam, S.N. (2019). Nanoscale modification of magnetic properties for effective domain wall pinning. Journal of Magnetism and Magnetic Materials, 475, 70-5. #
  • Ma, C, Xia, J, Zhang, X.C, Zhou, Y, Morisako, A, Piramanayagam, S.N, and Liu, X.X. (2019). Nd-Fe-B films with perpendicular magnetic anisotropy and extremely large room temperature coercivity. Journal of Magnetism and Magnetic Materials, 474, 406-10. #
  • *Bhatti, S, and Piramanayagam, S.N. (2019). High Amplitude Microwave Generation Using Domain Wall Motion in a Nanowire. Physica Status Solidi-Rapid Research Letters, 13(3), 1800479. #
  • *Kumar, D, *Jin, T.L, Al Risi, S, Sbiaa, R, Lew, W.S, and Piramanayagam, S.N. (2019). Domain Wall Motion Control for Racetrack Memory Applications. IEEE Transactions on Magnetics, 55(3), 2300708.
  • *Kumar, D, **Gupta, S, Tham, K.K, Nongjai, R, Saito, S, Asokan, K, and Piramanayagam, S.N. (2019). Ion-Implantation-Induced Disorder in FePt-C Thin Films. IEEE Transactions on Magnetics, 55(3), 2300805.
  • Al Bahri, M, Borie, B, *Jin, T.L, Sbiaa, R, Klaui, M, and Piramanayagam, S.N. (2019). Staggered Magnetic Nanowire Devices for Effective Domain-Wall Pinning in Racetrack Memory. Physical Review Applied, 11(2), 024023. #
  • Ma, C, Zhang, X.C, Xia, J, Ezawa, M, Jiang, W.J, Ono, T, Piramanayagam, S.N, Morisako, A, Zhou, Y, and Liu, X.X. (2019). Electric Field-Induced Creation and Directional Motion of Domain Walls and Skyrmion Bubbles. Nano Letters, 19(1), 353-61.##
  • *Bhatti, S, Ma, C, Liu, X.X, and Piramanayagam, S.N. (2019). Stress-Induced Domain Wall Motion in FeCo-Based Magnetic Microwires for Realization of Energy Harvesting. Advanced Electronic Materials, 5(1), 1800467.


  • 2018

  • Ma, C, *Jin, T.L, Liu, X.X, and Piramanayagam, S.N. (2018). Switching domain wall motion on and off using a gate voltage for domain wall transistor applications. Applied Physics Letters, 113(23), 232401.##
  • Gupta, S, Sbiaa, R, Al Bahri, M, Ghosh, A, Piramanayagam, S.N, Ranjbar, M, and Akerman, J. (2018). Co/Ni multilayers with robust post-annealing performance for spintronics device applications. Journal of Physics D-Applied Physics, 51(46), 465002. #
  • Law, W.C, Tahmasebi, T, Tan, F.N, *Jin, T.L, Gan, W.L, Nistala, R.R, Zhu, X.T, Mo, Z.Q, Teo, H.W, Seet, C.S, See, A, Piramanayagam, S.N, and Lew, W.S. (2018). High temperature ferromagnetic resonance study on pMTJ stacks with diffusion barrier layers. Journal of Physics D-Applied Physics, 51(40), 405001. #
  • Jin, T.L, *Kumar, D, Gan, W.L, **Ranjbar, M, Luo, F.L, Sbiaa, R, Liu, X.X, Lew, W.S, and Piramanayagam, S.N. (2018). Nanoscale Compositional Modification in Co/Pd Multilayers for Controllable Domain Wall Pinning in Racetrack Memory. Physica Status Solidi-Rapid Research Letters, 12(10), 1800197. #
  • Dutta, T, Dwivedi, N, Saifullah, M.S.M, Yang, H, Bhatia, C.S, and Piramanayagam, S.N. (2018). Nitrogen plasma treatment in two-step temperature deposited FePt bilayer media. Journal of Magnetism and Magnetic Materials, 461, 6-13. #
  • Sbiaa, R, Al Bahri, M, and Piramanayagam, S.N. (2018). Domain wall oscillation in magnetic nanowire with a geometrically confined region. Journal of Magnetism and Magnetic Materials, 456, 324-8. #
  • Gupta, S, *Kumar, D, *Jin, T.L, Nongjai, R, Asokan, K, Ghosh, A, Aparnadevi, M, Suri, P, and Piramanayagam, S.N. (2018). Broadband strip-line ferromagnetic resonance spectroscopy of soft magnetic CoFeTaZr patterned thin films. AIP Advances, 8(5), 056125.
  • Kumar, D, **Gupta, S, *Jin, T.L, Nongjai, R, Asokan, K, and Piramanayagam, S.N. (2018). Tailoring the structural and magnetic properties of masked CoPt thin films using ion implantation. AIP Advances, 8(5), 056504.
  • Dutta, T, Piramanayagam, S.N, Ru, T.H, Saifullah, M.S.M, Bhatia, C.S, and Yang, H. (2018). Exchange coupled CoPt/FePtC media for heat assisted magnetic recording. Applied Physics Letters, 112(14), 142411. ##
  • Kumar, D, **Gupta, S, *Jin, T.L, Nongjai, R, Asokan, K, and Piramanayagam, S.N. (2018). Modification of Structural and Magnetic Properties of Masked Co-Pt Films Induced by High-Energy Ion Implantation. IEEE Magnetics Letters, 9, 4500305.


  • 2017

  • Sbiaa, R, and Piramanayagam, S.N. (2017). Recent Developments in Spin Transfer Torque MRAM. Physica Status Solidi-Rapid Research Letters. 11(12), 1700163 #
  • Jin, T.L, Ranjbar, M, He, S.K, Law, W.C, Zhou, T.J, Lew, W.S, Liu, X.X, and Piramanayagam, S.N. (2017) Tuning magnetic properties for domain wall pinning via localized metal diffusion. Scientific Reports. 7, 16208.#
  • Bhatti, S, Sbiaa, R, Hirohata, A, Ohno, H, Fukami, S, and Piramanayagam, S.N. (2017). Spintronics based random access memory: A review. Materials Today, 20(9), 530-48. ##
  • Dutta, T, Piramanayagam, S.N, Saifullah, M.S.M, and Bhatia, C.S. (2017). High switching efficiency in FePt exchange coupled composite media mediated by MgO exchange control layers. Applied Physics Letters, 111(4), 042405. ##
  • J.Z. Shi, Y. Yang, H.K. Tan, S.N. Piramanayagam, C.B. Lim, H.L. Seet, S.L. Ho and J.F. Hu, Partial crystallization in amorphous magnetic film induced by Ru layer Interface, Phys. Stat. Sol. Rapid Res. Lett., 11(2) 1600341 (2017)


  • 2016

  • R. Sbiaa, J.M. Shaw, H.T. Nembach, M. Al Bahri, M. Ranjbar, J. Akerman, S.N. Piramanayagam,Ferromagnetic resonance measurements of (Co/Ni/Co/Pt) multilayers with perpendicular magnetic anisotropy, J. Phys. D – Appl. Phys., 49(42) 425002 (2016)
  • M. Ranjbar, R. Sbiaa, S.M. Mohseni, M. Rahimabady, S.N. Piramanayagam, Holographonics, Materials Today, 19(7) 368-369 (2016)
  • S.N. Piramanayagam and van Ek, Jan, The XXVI Magnetic Recording Conference 2015 Foreword, IEEE Trans. Magn., 52(1) 0300101 (2016)


  • 2015

  • T. Dutta, S. Kundu, M.S.M. Saifullah, H.Yang, S.N. Piramanayagam, and C.S. Bhatia, Two-step temperature deposited FePt bilayer for tunable magnetic properties, J. Phys. D – Appl. Phys., 48(44) 445007 (2015)
  • S.N. Piramanayagam and Michael Alex, The XXVI Magnetic Recording Conference 2014 Foreword, IEEE Trans. Magn., 5(4) 0300901 (2015)
  • S.N. Piramanayagam, M. Shakerzadeh, B. Varghese and H.K. Tan, Effect of Carbon Overcoat Implantation on the Magnetic and Structural Properties of Perpendicular Recording Media, IEEE Trans. Magn., 51(11) 3202104 (2015)
  • S.K. Wong, R. Sbiaa, S.N. Piramanayagam and T. Tahmasebi, Magnetic Properties and Magnetization Reversal of Thin Films and Nanodots Consisting of Exchange-Coupled Composite Co/Pd Multi-Layer and Co Layer With Orthogonal Anisotropies, IEEE Trans. Magn., 51(9) 6100909 (2015)
  • R. Sbiaa, I.A. Al-Omari, P.R. Kharel, M. Ranjbar, D.J. Sellmyer, J. Åkerman, S.N. Piramanayagam,  Temperature effect on exchange coupling and magnetization reversal in antiferromagnetically coupled (Co/Pd) multilayers, J. Appl. Phys., 118, 063902 (2015)
  • K. Di, S. X. Feng, S.N. Piramanayagam, V. L. Zhang, H. S. Lim, S. C. Ng and M. H. Kuok, Enhancement of spin-wave nonreciprocity in magnonic crystals via synthetic antiferromagnetic coupling, Scientific Reports 5, 10153; doi: 10.1038/srep10153 (2015)