Prof. Subramanian V
Microwave Laboratory
Department of Physics
Indian Institute of Technology Madras
Chennai - 600036, India.
Ph:091-044-22574883
GoogleScholar

Centre of Excellence on Millimeter and Microwave Research
About Microwave Laboratory
Scopus Id: 58863140300
Orchid Id: 0000-0001-5548-694X
Researcher ID: D-1874-2012

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    • Int. Conf.
    • National Conf.
  • Research
    • Relaxor Ferroelectrics
    • Dielectric Resonators
    • Magnetoelectric
    • Microwave HallEffect
    • Microwave Microscopy
    • Photonic Crystals
    • Microwave MetaMaterials
    • Absorbers
    • Chiral Materials
    • Computational EM
    • Additive Manufacturing
    • Transformation EM
    • EMI Shielding
  • Projects
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Recent Information

Prof. Gopalan Srinivasan, Distinguished Professor, Department of Physics, Oakland University, Rochester, Michigan State, USA is delivering a talk under the auspices of Centre for Millimeterwave and Microwave Research.

Title of the talk: Multiferroic Composites for Sensors and Voltage Tunable Ferrite High-Frequency Devices
Date: 3rd December 2024 and Time: 11:00 AM
Venue: HSB 210 (Bose Hall)

Abstract of the talk: This presentation will focus on strain engineering by combinatorial substrate epitaxy (CSE) of ferrites and garnets. The CSE technique involves the growth of 10-25 micron thick films on well-characterized polycrystalline substrates. The objective is to characterize the films to explore the substrate-film lattice mismatch-induced anisotropy field by localized ferromagnetic resonance measurements. The goal is to achieve a large anisotropy field for self-biased microwave devices. Avenues for voltage tunability for such devices by magneto-electric interactions in a composite with a ferroelectric will also be discussed.

List of Publications 2020-2024

  1. Development of lead-free BCTZ/48%NiFe magnetoelectric device for magnetic energy harvesting
    Deepa Xavier, S. Dinesh Kumar, V. Subramanian
    Journal of Magnetism and Magnetic Materials, 614, 172716, 2025.
    2. DoI: j.jmmm.2024.172716
  2. Resonator-based broadband noise absorber to control combustion instability
    Santosh Dasila, Aswathy Surendran, Chitti Venkata Krishnamurthy, Subramanian Venkatachalam
    Accepted for publication in Physical Review Applied, 2024
  3. Multilayer Architected Polymer Nanostructure for Microwave Absorber-Based EMI Shielding
    Kumaran Rengaswamy, Anjali M, Jayaganthan Rengaswamy, Chitti Venkata Krishnamurthy, Venkatachalam Subramanian
    AIP Advances, 14, 115008, 2024 (Scimagojr-Q3).
    DoI: 10.1063/5.0226614
  4. Enhanced X-band Microwave Shielding via Fe3O4 Nanoparticle-Decorated Nitrogen-Doped Reduced Graphene Oxides: Synthesis, Characterization, and Performance assessment
    Theertharaman Govindasamy, Nibin Kolanjikombil Mathew, Vinaya Kumar Asapu, Venkatachalam Subramanian, and Balakumar Subramanian
    Composites Communications, 51, 102091, 2024(Scimagojr-Q1).
    DoI: 10.1016/j.coco.2024.102091
  5. Improved microwave dielectric properties of LaZn1/2Ti1/2O3 through Y3+ substitution
    Asapu Vinaya Kumar, V. Sivasubramanian and V. Subramanian
    Journal of Alloys and Compounds, 1007, 176454, 2024 (Scimagojr-Q1).
    DoI: 10.1016/j.jallcom.2024.176454
  6. Effect of Addition of Annealed Graphene in Tender Coconut-Derived Hard Carbon for Potassium Ion Battery
    Raghunath Sahoo, T.V. Beatriceveena, Lavanya Thirugnanam, Subramanian Venkatachalam, Ramaprabhu Sundara,
    ACS Applied Energy Materials, 7(16), 7006-7018, 2024 (Scimagojr-Q1).
    DoI: https://pubs.acs.org/doi/10.1021/acsaem.4c01231
  7. Hierarchical carbonaceous modified carbon fiber reinforced polyether ether ketone and reusing reclaimed carbon fiber for sustainable photocatalysis: An Experimental and numerical analysis
    R. Sasikumar, Saritha Kanotha, Shubra Singha, Kumaran Rengaswamy, V. Subramanian, R.Jayavel
    Composites Part A: Applied Science and Manufacturing, 186, 108403, 2024 (Scimagojr-Q1).
    DoI: 10.1016/j.compositesa.2024.108403
  8. Investigating a Cylindrical Dielectric Resonator Antenna Fabricated with Li3MgNbO5 Microwave Dielectric Ceramic
    MA Dinesh, V Kumar, R Kumar, VR Gupta, V Subramanian, V Dayal
    ECS Journal of Solid State Science and Technology 13 (5), 053003, 2024 (Scimagojr-Q3).
    DoI: Download Link
  9. Evidence of self-biased magnetoelectric coupling in eco-friendly (Na0.41K0.09Bi0.5TiO3-Ba0.85Ca0.15Zr0.1Ti0.9O3)-(CoFe2O4) particulate composites
    Munendra Pal, Adiraj Srinivas, Deepa Xavier, V. Subramanian, Saket Asthana
    Journal of Magnetism and Magnetic Materials, 598, 172060, 2024 (Scimagojr-Q2).
    DoI: https://authors.elsevier.com/c/1iymn15KgbRpYu Free To download till 9th June 2024
  10. Bulk versus surface-limited polymer encapsulation: A current pulse-induced approach for confined polymer coating selectively over quasi-oriented MXene aerogel
    Sujit Kumar Deb, Pronoy Dutta, Golam Masud Karim, Amalika Patra, Pranab Bera, Snehasish Das, Priyam Mukherjee, Kumaran Rengasamy, Angana Borbora, Uttam Manna, Venkatachalam Subramanian, Uday Narayan Maiti
    Chemical Engineering Journal, 484, 149617, 2024 (Scimagojr-Q1)
    DoI: 10.1016/j.cej.2024.149617
  11. Flexible bandwidth-enhanced metamaterial absorbers with epoxy/graphene nanoplatelets-silver nanowire polymer composites as substrates
    Anjali Murugan, Raghunath Sahoo, Lincy Stephen, C V Krishnamurthy and V Subramanian
    Composites Science and Technology, 249, 110492, 2024(Scimagojr-Q1).
    DoI: 10.1016/j.compscitech.2024.110492
  12. Morphology Dependent EMI Shielding Performance of Ag-Ni Core-Shell Nanowires
    Raghunath Sahoo, Ramaprabhu Sundara, Venkatachalam Subramanian
    Journal of Alloys and Compounds, 981, 173693, 2024 (Scimagojr-Q1)
    Free to download till 23rd March 2024: https://authors.elsevier.com/a/1iXFv3IWkcELJe
  13. Multifunctionality of MWCNT modified carbon fiber reinforced thermoplastic composite, and reclaiming composite in the pursuit of sustainable energy storage applications: An experimental and numerical analysis
    R. Sasikumar, B. Raghavendra Babu, V. Subramanian and R. Jayavel
    Composites Science and Technology, 248, 110468, 2024 (Scimagojr-Q1).
    DoI: 10.1016/j.compscitech.2024.110468
  14. Acoustic Bessel-like beam generation using phononic crystals
    Santosh Dasila, C V Krishnamurthy, V Subramanian
    Journal of Applied Physics, 135, 024903, 2024. (Scimagojr-Q2)
    DoI:10.1063/5.0182429
  15. Synergistic Advancements in Electromagnetic Interference Shielding: Harnessing Fe3O4 Nanoparticles and Biomass-Derived N-Doped Carbon-Layered Structure for Next-Generation Nanocomposites
    Theertharaman Govindasamy, Nibin Kolanjikombil Mathew, Vinaya Kumar Asapu, Venkatachalam Subramanian, and Balakumar Subramanian
    ACS Sustainable Resource Management, 1, 289-02, 2024.
    DoI:Click to Download
  16. Magnetoelectric behaviour of Pb-free Na0.5Bi0.5TiO3-Ni0.5Co0.5Fe2O4 particulate novel ceramic composites
    K. DamodarReddy, N. Pavan Kumar, Deepa Xavier, P. Sowjanya, V. Subramanian, C. Siva
    Ceramic International, 50 (7), Part-A, 10402-10415, 2024 (Scimagojr-Q1).
    DoI:10.1016/j.ceramint.2023.12.352
  17. Modulating the structural and magnetic properties of Fe3O4 NPs for high-performance supercapattery and EMI shielding applications
    Theertharaman Govindasamy, Nibin Kolanjikombil Mathew, Vinaya Kumar Asapu, Vijayshankar Asokan, Venkatachalam Subramanian and Balakumar Subramanian
    Journal of Energy Storage, 79, 110243, 2024. (Scimagojr-Q1)
    DoI:10.1016/j.est.2023.110243
  18. Influence of molecular weight of PVP on the structure of silver nanowires for EMI shielding application
    Raghunath Sahoo, Ramaprabhu Sundara, Venkatachalam Subramanian
    Materials Today: Proceedings, 94, 29-34, 2023. (Scimagojr-Q2)
    DoI:10.1016/j.matpr.2023.05.329
  19. High-performance EMI shielding effectiveness of Fe3O4-3D rPC nanocomposites: a systematic optimization in the X-band region
    Theertharaman Govindasamy, Nibin Kolanjikombil Mathew, Vinaya Kumar Asapu, Vijayshankar Asokan, Venkatachalam Subramanian and Balakumar Subramanian
    Physical Chemistry Chemical Physics, 2023 (Scimagojr-Q1).
    DoI:10.1039/d3cp04679f
  20. Accessing New Avenues of Photonic Bandgaps Using Two-Dimensional Non-Moiré Geometries
    R. Rachel Darthy, C. Venkateswaran, V. Subramanian, Zhengbiao Ouyang and N. Yogesh
    Scientific Reports, 13, 17077, 2023.(Scimagojr-Q1)
    DoI: 10.1038/s41598-023-44385-z
  21. Enhanced electromagnetic interference shieldingeffectiveness in multiphase nanocomposites based onpoly(vinylidene fluoride-co-hexafluoropropylene),nano-Fe2O3, graphene nanoplatelets, and nanodiamonds"
    Gayathri Thanasekaran, M. Basheer Ahamed, Kalim Deshmukh, and Subramanian Venkatachalam
    Journal of Applied Polymer Science, e-54658, 2023. (Scimagojr-Q2)
    DoI: 10.1002/app.54658
  22. Strategic Design and Analysis of Energy Storage and ME Applications of Low Temperature Hybrid Microwave Sintered Electroceramic Composites
    Avanish Babu Thirumalasetty, Thiyagarajan Krishnan, Siva Kumar Kota Venkata, Srinivas Adiraj, Deepa Xavier, Subramanian Venkatachalam, Rajini Gaddam Kesava Reddy, Zarena Dudekula, and Madhuri Wuppulluri
    ACS Applied Electronic Materials, 5, 3120 - 3129, 2023. (Scimagojr-Q1)
    DoI: 10.1021/acsaelm.3c00190
  23. Directional, Multi-Beam, and Compact Wavefront Transformers Based on 3-D Near-Zero Refractive Index Metamaterial
    M. Marishwari, S. Madhavamoorthi, R. Meena, B. Asrafali, V. Subramanian, Z. Ouyang, and N. Yogesh
    OPtics Continuum, 2(5), 1093-1105, 2023 (Scimagojr-Q2).
    DoI: 10.1364/OPTCON.488870
  24. Measurement of moisture in transformer insulation using the intelligent high frequency sensor system
    Shufali Ashraf Wani, Anjali Murugan, V Subramanian, and R Sarathi
    IEEE Transactions on Instrumentation & Measurement, 72, 2511410, 2023. (Scimagojr-Q1)
    DoI: 10.1109/TIM.2023.3267364
  25. Terahertz Sub-Wavelength Focusing and Negative Refraction Assisted Beam Transferring Based on 3-D Metamaterial Flat Lens Configurations
    Muthusamy Marishwari, Venkatachalam Subramanian, Zhengbiao Ouyang and Natesan Yogesh
    Progress In Electromagnetics Research B, Vol. 99, 121-138, 2023 (Scimagojr-Q3).
    DoI: 10.2528/PIERB23012803
  26. Metamaterial Based Miniaturized Broad Band Acoustic Absorber
    Santosh Dasila, C V Krishnamurthy and V Subramanian
    Journal of Applied Physics, 133(11), 114901, 2023 (Scimagojr-Q2).
    DoI: 10.1063/5.0142650
  27. Magnetoelectric Coupling and Energy harvesting in 2/3Pb(Mg1/3Nb2/3)O3-1/3PbTiO3:CoFe1.97RE0.03O4 (RE = La3+ and Eu3+) Composites
    Ganesha Channagoudra, Deepa Xavier, John Peter, J. Nunez, D.K. Shukla, R.L. Hadimani, V. Subramanian, and Vijaylakshmi Dayal
    Journal of Magnetism and Magnetic Materials, 570, 170544, 2023 (Scimagojr-Q2).
    DoI:https://doi.org/10.1016/j.jmmm.2023.170544
    Authors Personalized Share Link: https://authors.elsevier.com/c/1gd0P15KgbN-1C
  28. Flexible metamaterial based microwave absorber with epoxy/graphene nanoplatelets composite as substrate
    Anjali M, Kumaran Rengaswamy, Abhishek Ukey, Lincy Stephen, C V Krishnamurthy, V Subramanian
    Journal of Applied Physics, 133, 063105, 2023 (Scimagojr-Q2).
    DoI:https://doi.org/10.1063/5.0138171
  29. Enhanced microwave dielectric properties of ZnNb2O6 by heterovalent ion substitution
    Asapu Vinaya Kumar, V. Subramanian, V. Sivasubramanian
    Journal of Alloys and Compounds, 944, 169202, 2023. (Scimagojr-Q1)
    DoI: https://doi.org/10.1016/j.jallcom.2023.169202
  30. 3-D Metamaterial Based Terahertz Planoconcave Lenses for Linearly and Circularly Polarized Waves
    Muthusamy Marishwari, Venkatachalam Subramanian, Zhengbiao Ouyang, Natesan Yogesh
    Progress in Electromagnetic Research B, 98, 21-37,2023 (Scimagojr-Q3).
    DoI:10.2528/PIERB22101305
  31. Investigation on Fe3S4-Carbon black nanohybrids for EMI shield in X-band region
    Theertharaman. G, Nibin K Mathew, Vinaya Kumar. A, V. Subramanian and S.Balakumar
    Diamond and Related Materials, 131,109608, 2023 (Scimagojr-Q1).
    DoI: 10.1016/j.diamond.2022.109608
  32. Cognizing the electromagnetic shielding performance of ultrafine magnetite (Fe3O4) and a few layers of carbon black nanocomposite in the X-band region
    Theertharaman Govindasamy, Vinaya Kumar Asapu, Nibin Kolanjikombil Mathew, Venkatachalam Subramanian, Padmanapan Saravanan, Balakumar Subramanian
    Materials Science and Engineering B, 288, 116166, 2023 (Scimagojr-Q2).
    DOI:10.1016/j.mseb.2022.116166
  33. Silver Nanowires Coated Nitrocellulose Paper for High-Efficiency Electromagnetic Interference Shielding
    Raghunath Sahoo, Ramaprabhu Sundara, and Subramanian Venkatachalam
    ACS Omega, 7, 45, 41426-41436, 2022 (Scimagojr-Q1).
    DoI:https://doi.org/10.1021/acsomega.2c05204
  34. Investigation on electromagnetic shielding and mechanical properties of zirconia graded carbon fiber/epoxy nanocomposite
    Gandluri Parameswar Reddy, Asapu Vinayakumar, V Subramanian, and R Sarathi
    Polymer Composites, 43, 12, 8795-8806, 2022 (Scimagojr-Q2).
    DoI:10.1002/pc.27062
  35. Significant magnetoelectric coupling in P(VDF-TrFE)/48%NiFe laminate composite for energy harvesting applications
    Deepa Xavier, Dinesh Kumar S, and V Subramanian
    J. Phys. D: Appl. Phys., 55 (30), 305502, 2022 (Scimagojr-Q1).
    DoI:10.1088/1361-6463/ac6b64
  36. Effective Attenuation of Electromagnetic Waves by Ag adorned MWCNT-polybenzoxazine composites for EMI Shielding Application
    Kumaran Rengaswamy, Vinaya Kumar Asapu, Ramaprabhu Sundara, and Subramanian Venkatachalam
    Composites Science and Technology, 223, 109411, 2022 (Scimagojr-Q1).
    DOI: 10.1016/j.compscitech.2022.109411
  37. Giant enhancement in Electromagnetic Shielding Efficiency of Carbon Fiber Fabric Sandwiched Epoxy-MWCNT Nanocomposites
    Abhishek Sharma, Myneni Sukesh Babu, Asapu Vinaya Kumar, R Sarathi, V. Subramanian
    Bulletin of Materials Science, 45, 44, 2022 (Scimagojr-Q3).
    DoI: 10.1007/s12034-021-02629-6
  38. Tailoring the terahertz far-field radiation pattern based on asymmetric transmission of linearly polarized waves in metasurface tiles
    M Pavithra, K Ravichandran, V Subramanian, Z Ouyang, N Yogesh
    JOSA B 39 (3), 771-778, 2022 (Scimagojr-Q2).
    DoI: 10.1364/JOSAB.444491.
  39. Understanding the dielectric properties and electromagnetic shielding efficiency of zirconia filled epoxy-MWCNT composites
    Chillu Naresh, Gandluri Parameswarreddy, Asapu Vinaya Kumar, Rengaswamy Jayaganthan, Venkatachalam Subramanian, Ramanujam Sarathi, MG Danikas
    Engineering Research Express, 4, 015008, 2022 (Scimagojr-Q3).
    DoI: 10.1088/26318695
  40. Miniaturized metamaterial absorber based on a high permittivity substrate
    Anjali Murugan, Lincy Stephen and V Subramanian
    Journal of Applied Physics, 130, 113104, 2021 (Scimagojr-Q2).
    DoI: 10.1063/5.0060696
  41. Absorption enhanced EMI shielding using silver decorated three-dimensional porous architected reduced graphene oxide in polybenzoxazine matrix
    R. Kumaran, A. Vinaya kumar, S. Ramaprabhu, V. Subramanian
    New Journal of Chemistry, 42, 12945, 2021 (Scimagojr-Q1).
    DOI: 10.1039/D1NJ03536C
  42. Enhanced shielding of electromagnetic radiations with flexible, light-weight, and conductive Ag-Cu/MWCNT/rGO architected PVDF nanocomposite films
    Kumaran Rengaswamy, Vinaya Kumar Asapu, Alagar Muthukaruppan, Dinesh Kumar Sakthivel, Subramanian Venkatachalam, Dinakaran Kannaiyan
    Polymers for Advanced Technologies, 32(9), 3759-3769, 2021 (Scimagojr-Q2).
    DoI: 10.1002/pat.5395
  43. Strain transfer in ferroelectric-ferrimagnetic magnetoelectric composite
    Sujoy Saha, Ram Prakash Singh, Ying Liu, Atal Bihari Swain, Amritesh Kumar, V. Subramanian, A. Arockiarajan, G. Srinivasan, and Rajeev Ranjan
    Physical Review B, 103, L140106, 2021. (Scimagojr-Q1)
  44. Substantial magnetoelectric response in 2/3[Pb(Mg1/3Nb2/3)O3]-1/3[PbTiO3]-CoFe2O4 Composites
    Ganesha Channagoudra, Ajay Kumar Saw, Koushik Dey, Deepa Xavier, Venkatesh R., V. Subramanian, D.K.Shukla, Vijaylakshmi Dayala
    Journal of Alloys and Compounds, 863, 158504, 2021 (Scimagojr-Q1).
    DoI: 10.1016/j.jallcom.2020.158504
  45. Large converse magnetoelectric effect in Sm doped Pb(Mg1/3Nb2/3)-PbTiO3 and NiFe2O4 laminate composite
    Dinesh Kumar, Shashaank Gupta, Atal Bihari Swain, V.Subramanian, Myoor K.Padmanabhan and Roop L.Mahajan
    Journal of Alloys and Compounds, 858, 157684, 2021 (Scimagojr-Q1).
    DoI: 10.1016/j.jallcom.2020.157684
  46. Fabry-Perot modes associated with hyperbolic-like dispersion in dielectric photonic crystals and demonstration of a bending angle sensor at microwave frequencies
    R. Rachel Darthy, C. Venkateswaran, V. Subramanian, Zhengbiao Ouyang and N. Yogesh
    Scientific Reports, 10, 11117, 2020 (Scimagojr-Q1).
    DoI: 10.1038/s41598-020-67965-9
  47. Anisotropic asymmetric transmission of circularly polarized terahertz waves in a three dimensional spline assembly
    C. K. Amaljith, C. Venkateswaran, V. Subramanian, Zhengbiao Ouyang, N. Yogesh
    Optics Letters, 45 (8), 2315-2318, 2020 (Scimagojr-Q1).
    DoI: 10.1364/OL.388646
  48. Polarization driven self-biased and enhanced UV - visible photodetector characteristics of ferroelectric thin film
    Biswas, Pranab; Pal, Subhajit; Subramanian, V; Murugavel, Pattukkannu
    Journal of Physics D: Applied Physics, 53 (27), 275302, 2020 (Scimagojr-Q1).
  49. Engineering resonance modes for enhanced magnetoelectric coupling in bilayer laminate composites for energy harvesting applications
    Atal Bihari Swain, S. Dinesh Kumar, V.Subramanian and P.Murugavel
    Phys. Rev. Applied, 13, 024026, 2020 (Scimagojr-Q1).
    DoI: 10.1103/PhysRevApplied.13.024026

2021 V.Subramanian

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