Publications
Publication list is always under maintenance.
- 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)
- 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)
Please visit my Google scholar page for latest information
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
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)
