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.
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  • Relaxor Ferroelectrics
  • Dielectric Resonators
  • Magnetoelectric
  • Microwave HallEffect
  • Microwave Microscopy
  • Photonic Crystals
  • Microwave MetaMaterials
  • Absorbers
  • Chiral Materials
  • Computational EM
  • Additive Manufacturing
  • Transformation EM
  • EMI Shielding
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List of Publications 2021-2025

1. Enhanced microwave dielectric properties of LaMg_1/2Ti_1/2O₃ through Y³⁺ substitution
   Asapu Vinaya Kumar, V. Sivasubramanian, Subramanian Venkatachalam
   Accepted for publication in Ceramics International, 2025 (Scimagojr-Q1).
   DoI: 10.1016/j.ceramint.2025.05.375
   Free to download till 19th July 2025.
2. Characterization of Microwave Dielectric Properties and Design of Cylindrical Dielectric Resonator Antenna of Sr₃(VO₄)₂ Ceramic
   M. A. Dinesh, Vinay Kumar, Raghvendra Kumar, Vibha Rani Gupta, V. Subramanian, Vijaylakshmi Dayal
   Transactions on Electrical and Electronic Materials, (Scimagojr-Q3)
   DoI: 10.1007/s42341-025-00618-8
3. Machine Learning-Based Design and Fabrication of Multilayered Microwave Absorber
   Raghav Dunga, Kumaran Rengaswamy, Jayaganthan Rengaswamy, Chitti Venkata Krishnamurthy, Ramanujam Sarathi, and Subramanian Venkatachalam
   Polymers for Advanced Technologies, 36, e70222, 2025 (Scimagojr-Q2)
   DoI: 10.1002/pat.70222
4. Magnetic Field Induced Alignment of Graphene Nanoplatelets in Carbon Fiber-silicone rubber Composites for Superior EMI Shielding and Thermal Conductivity
   Gandluri Parameswarreddy, Maho Hosoki, Hisayuki Suematsu, Asapu Vinaya Kumar, Venkatachalam Subramanian, and Ramanujam Sarathi
   IEEE Transactions on Magnetics, Published ONLINE at present (Scimagojr-Q2).
   DoI: 10.1109/TMAG.2025.3563124
5. A dual layer wideband angular stable frequency selective surface for linear to circular and circular to linear polarization conversion for 5G applications
   Akash Paramanik, C V Krishnamurthi, V Subramanian
   Scientific Reports, 15, 12059, 2025 (Scimagojr-Q1).
   DoI: 10.1038/s41598-025-96363-2
6. Temporal boundary between two non-dispersive media
   Sarvesh Kumar Tiwari and V. Subramanian
   Optics Continuum, 4 (4), 826-837, 2025 (Scimagojr-Q2).
   DoI: 10.1364/OPTCON.558262
7. Flexible Graphene Platelets Coated PVDF Membranes for High-performance Electromagnetic Shielding
   Priteesh K. Samal, R. Sahoo, O. R. Manohar, V. Subramanian, S. Praharaj, D. Rout
   Journal of Applied Polymer Science, 142 (25), 57042, 2025 (Scimagojr-Q2).
   DoI: 10.1002/app.57042
8. Synthesis and Characterization of Iron Selenide-Epoxy Composites for Enhanced Optical, Dielectric and EMI Shielding Applications
   Dimple Shah, Sunita J. Yadav, Sanketsinh Thakor, Subramanian Venkatachalam, and Chandan R. Vaja
   J. Polymer Research, 32:77, 2025 (Scimagojr-Q2).
   DoI: 10.1007/s10965-025-04302-6
   
9. A Multivariable Sensing System for Condition Monitoring of Oil-immersed Transformers
   Shufali Ashraf Wani, Ramanujam Sarathi, and Venkatachalam Subramanian
   IEEE Sensors, 25(6), 2025 (Scimagojr-Q1).
   DoI: 10.1109/JSEN.2025.3538157
10. Enhanced EMI Shielding and Thermal Performance of GNP and Boron Nitride Infused Carbon Fiber/PDMS Composites through Magnetic Field-Induced GNP Alignment
    Gandluri Parameswarreddy, Harshitha Kolukula, Hisayuki Suematsu, Asapu Vinaya Kumar, Venkatachalam Subramanian, Ramanujam Sarathi, Rishi Verma and Archana Sharma
    Polymer Composites, 1-7, 2025 (Scimagojr-Q1).
    DoI: 10.1002/pc.29585
    
11. 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 (Scimagojr-Q2).
    DoI: j.jmmm.2024.172716
    
12. Synthesis and Characterization of the Microwave Dielectric Properties of a (1-x)Li₃MgNbO₅-(x)Sr₃V₂O₈ Composite for Antenna Application
    Dinesh M.A., Vinay Kumar, Raghvendra Kumar, Vibha Rani Gupta, V. Subramanian, and Vijaylakshmi Dayal
    Key Engineering Materials, 1001, 33-42, 2024 (Scimagojr-Q4).
    DoI: 10.4028/p-18ZFWm
    
13. Resonator-based broadband noise absorber to control combustion instability
    Santosh Dasila, Aswathy Surendran, Chitti Venkata Krishnamurthy, Subramanian Venkatachalam
    Physical Review Applied, 22, 64053, 2024 (Scimagojr-Q1).
    
14. 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
    
15. 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
    
16. Improved microwave dielectric properties of LaZn_1/2Ti_1/2O₃ 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
    
17. 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
    
18. 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
19. 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
20. Evidence of self-biased magnetoelectric coupling in eco-friendly (Na_0.41K_0.09Bi_0.5TiO₃-Ba_0.85Ca_0.15Zr_0.1Ti_0.9O₃)-(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
21. 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
22. 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
23. 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)
    DoI: 10.1016/j.jallcom.2024.173693
    
24. 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
25. 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
26. 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
27. Magnetoelectric behaviour of Pb-free Na_0.5Bi_0.5TiO₃-Ni_0.5Co_0.5Fe₂O₄ 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
28. 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
29. 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
30. 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, 25, 30501-30515, 2023 (Scimagojr-Q1).
    DoI:10.1039/d3cp04679f
31. 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
32. 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
33. 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
34. 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
35. 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
36. 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
37. 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
38. 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
39. 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
40. 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
41. 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
42. 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
43. 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
44. 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
45. 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
46. 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
47. 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
48. 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
49. 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.
50. 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
51. 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
52. 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
53. 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
54. 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)