Rajan, A., Balakrishnan, R., Mohanan, R., Shylaja, K., Dalvi, Y. B., Thomas, N. G., Sreekumar, A., & Varghese, R. (2025). Evaluation of biocompatibility and in vivo response of electrospun PLA/Nd₂O₃ nanocomposite fibers for biomedical scaffolding applications. Polymers for Advanced Technologies, 36(10), e70394.
Chacko, S. K., Balakrishnan, R., Athira, B. S., & Chandran, A. (2025). High-performance PVDF-HFP/ZnO/SrFe₁₂O₁₉ nanogenerators with enhanced dielectric, ferroelectric, and magnetoelectric coupling for powering low-power electronics. Current Applied Physics, 80, 26-36
Masabattula, R., Chakram, D. S., Nandi, S., Alzahrani, A. Y. A., Ben Moussa, S., Balakrishnan, R., & Dasari, M. (2025). Structural, microstructural, and magnetoelectric property correlation with complex impedance spectroscopy in Dy-doped Bi₄Ti₂FeO₁₂ Aurivillius ceramics. Journal of Inorganic and Organometallic Polymers and Materials, 1–24.
Velayudhan, P., Pillai, A. G., Kala, M. S., Kalarikkal, N., Raneesh, B., & Thomas, S. (2025). Boosting dielectric and mechanical functionality in electrospun PVDF through cellulose nanocrystal-mediated β-phase formation. Polymer, 337, 128999.
Sajith Babu, S., Unnikrishnan, K., & Haridas, S. (2025). Neural network model for predicting the horizontal component of Earth’s magnetic field over the Indian equatorial region during quiet and disturbed periods. Advances in Space Research, 75(4), 3705–3729.
Muhammed Swalihu, P. M., Anandalli, M. H., Chitra Lekha, C. S., Karthika, S., & Kalarikkal, N. (2025). Tuning the linear and nonlinear optical properties of YCrO₃ for optoelectronic applications. Optical Materials, 159, 116445.
Dhanya, I., Abraham, N. A., Pisharady, S. K., Jayalakshmi, P. S., Johnson, I., Priya, L., Maheesha, K., & Madhav, M. K. (2025). Variable-range hopping conduction in yttrium–graphene oxide nanocomposites. The European Physical Journal B, 98(4), 64.
Mohammed, R., Chacko, S. K., Balakrishnan, R., Thomas, N. G., Binsi, P. K., Ashraf, P. M., Krishnan, N., & Anil, S. (2025). Catechin as a functional additive in electrospun PCL/gelatin/nHA nanocomposite fibers for tissue engineering applications. Journal of Applied Polymer Science, 142(1), e56308.
Vinodan, K., Balakrishnan, R., & Kalarikkal, N. (2025). Tuning the piezoelectric and magnetoelectric properties of PLA@PVDF-TrFE core–shell nanocomposite fibers for hybrid energy harvesting systems. Surfaces and Interfaces, 56, 105618.
Vinodan, K., Balakrishnan, R., Kalarikkal, N., Begum, S. R., Munirathinam, P., Chandrasekhar, A., & Rouxel, D. (2025). Exploring the flexibility of gapless and gapped devices using PVDF-TrFE-CTFE-rGO-KNbO₃ nanocomposite films for energy harvesting applications. Materials Science and Engineering: B, 315, 118084.
Abraham, N. A., Dhanya, I., & Pisharady, S. K. (2024). Dielectric relaxation studies of Eu³⁺-doped graphene oxide nanolayers. Discover Materials, 4(1), 80.
Chacko, S. K., Balakrishnan, R., Kalarikkal, N., & Thomas, N. G. (2024). Ternary fiber mats of PVDF-HFP/Cellulose/LiFe₅O₈ nanoparticles with enhanced electric, magnetoelectric, and antibacterial properties. ACS Applied Polymer Materials, 6(2), 1429–1438.
Bhadrapriya, B. C., Rahul, M. T., Raneesh, B., Thomas, S., Saha, A., & Kalarikkal, N. (2023). Alginate functionalized MFe₂O₄ (Ni, Co) nanoparticles and hydrated salt incorporated flexible PVDF ternary nanocomposite fibers for magnetoelectric applications. Polymers for Advanced Technologies, 34(11), 3385–3396.
Bhadrapriya, B. C., Basith, S. A., Rahul, M. T., Chandrasekhar, A., Raneesh, B., Rouxel, D., & Kalarikkal, N. (2024). Multifunctionality of PVDF-HFP ternary nanocomposite films: Magnetoelectric, energy harvesting, and impact sensing performance. Materials Chemistry and Physics, 315, 129057.
Sajith Babu, S., & Unnikrishnan, K. (2024). Detection of long-range correlation causing multifractality in H time series of geomagnetic field over the Northern Hemisphere during quiet conditions. Advances in Space Research, 73(10), 5098–5113.
Thomas, G., Thomas, J., Mathews, G. M., Alexander, S. P., & Jose, J. (2023). Assessment of the potential of green walls on modifying local urban microclimate in humid tropical climate using ENVI-met model. Ecological Engineering, 187, 106868.
Sajith Babu, S., & Unnikrishnan, K. (2023). Analysis of fractal properties of the horizontal component of Earth’s magnetic field under different geomagnetic conditions using MFDFA. Advances in Space Research, 72(6), 2391–2405.
Thomas, G., Thomas, J., Devika, R. S., Krishnan, A., Mathew, A. V., & Nair, A. J. (2023). Impact of COVID-19 lockdown on ambient air quality in the southwest coastal urban regions of India. Aerosol Science and Engineering, 1–12.
Vinodan, K., Chacko, S. K., Mohammed, R., Raneesh, B., Woldu, T., & Rouxel, D. (2023). Relaxor–antiferroelectric hybrids for pyroelectric energy conversion from low-grade heat using flexible PVDF-TrFE-CTFE–NaNbO₃ nanocomposite films. Polymer, 281, 126135.
Chacko, S. K., & Raneesh, B. (2023). Dielectric, ferroelectric, and magnetoelectric behavior of SrFe₁₂O₁₉-embedded PVDF-HFP nanocomposite fiber mats for flexible electronic devices. Journal of Materials Science, 58(3), 1158–1170.
Stojadinović, B., Dohčević-Mitrović, Z., Aškrabić, S., Paunović, N., Rahul, M. T., Raneesh, B., & Kalarikkal, N. (2023). Spin–phonon interaction in nanocrystalline Dy₃Fe₅O₁₂ studied by Raman spectroscopy. Journal of Science: Advanced Materials and Devices, 8(3), 100600.
Thomas, G., Thomas, J., Mathew, A. V., Devika, R. S., Krishnan, A., & Nair, A. J. (2022). Non-uniform effect of COVID-19 lockdown on air quality in different local climate zones of Kochi, India. Spatial Information Research, 1–11.
Dhanya, I., Heera, S., Samuel, S. M., & Pisharady, S. K. (2022). Electrical conductivity and correlated barrier hopping transport in europium-doped graphene oxide nanocomposites. New Journal of Chemistry, 46, 352–358.
Chacko, S. K., Rahul, M. T., Raneesh, B., Vinodan, K., Jose, J. K., & Kalarikkal, N. (2022). Electroactive phase enhancement, dielectric behavior, and bandgap tuning in Ho³⁺-modified PVDF-HFP films. Journal of Polymer Research, 29(11), 1–10.
Paunović, N., Dohčević-Mitrović, Z., Djokić, D. M., Aškrabić, S., Lazović, S., Abraham, A. R., Raneesh, B., & Thomas, S. (2022). Plasmon–phonon interaction in MgFe₂O₄ spinels studied by far-infrared reflection spectroscopy. Materials Science in Semiconductor Processing, 149, 106889.
Rahul, M. T., Chacko, S. K., Raneesh, B., Nambissan, P. M. G., Kalarikkal, N., & Thomas, S. (2022). Al₃Fe₅O₁₂ nanoparticle-loaded electrospun PVDF fibers with multifunctional behavior. Materials Chemistry and Physics, 282, 125977.
Rahul, M. T., Chacko, S. K., Raneesh, B., Philip, K. A., Kalarikkal, N., Rouxel, D., & Chandrasekhar, A. (2022). Hydrated metal salts and Y₃Fe₅O₁₂–Na₀.₅K₀.₅NbO₃ incorporated P(VDF-HFP) films for multiferroic and energy harvesting applications. Journal of Materials Science, 57(15), 7653–7666.
Dhanya, I., Krishnan, M., Renji, R., Anu, M. K., Varghese, R. G., & Pisharady, S. K. (2021). Mott variable-range hopping transport in thermal-evaporated vanadyl 2,3-naphthalocyanine thin films. Materials Chemistry and Physics, 272, 125029.
Anoop, P. D., & Upasana, P. V. (2021). Blended learning in the Indian education system: A critical analysis. Education India Journal:10(2).
Augustine, P., Yerol, N., Kalarikkal, N., Raneesh, B., Rahul, M. T., & Chacko, S. K. (2021). Room-temperature multiferroic properties of BiFeO₃–MnFe₂O₄ nanocomposites. Ceramics International, 47(11), 15267–15276.
John, J., Kurian, A., & George, S. D. (2021). Effect of metal ions on the thermo-optic properties of Rhodamine 6G–gold nanoparticle hybrids. Optik, 241, 166988.
Abraham, A. R., Raneesh, B., Sanyal, D., Thomas, S., Kalarikkal, N., & Nambissan, P. M. G. (2020). Defect-focused analysis of calcium-substitution-induced structural transformation of magnesium ferrite nanocrystals. New Journal of Chemistry, 44(4), 1556–1570.
Abraham, A. R., Raneesh, B., Nambissan, P. M. G., Sanyal, D., Thomas, S., & Kalarikkal, N. (2020). Defects characterisation and structural studies of sol–gel synthesised MgFe₂O₄ nanocrystals using positron annihilation and related spectroscopic methods. Philosophical Magazine, 100(1), 32–61.
Chacko, S. K., Rahul, M. T., Raneesh, B., & Kalarikkal, N. (2020). Enhanced magnetoelectric coupling and dielectric constant in flexible ternary composite electrospun fibers of PVDF-HFP loaded with nanoclay and NiFe₂O₄ nanoparticles. New Journal of Chemistry, 44(26), 11356–11364.
Binoy T. Thomas, V. P. Thomas, & Soosen Samuel M. (2020). Outbreak of harmful algal blooms in the Achencovil River, Kerala, India during the post-flood season. Indian Hydrobiology, 19(1–2), 229–240.
Sajna K. Anas, Ruben A. Varughese, & Anoop P. D. (2021). Idukki reservoir break analysis. International Journal of Engineering Research in Mechanical and Civil Engineering, 6(7).
Abraham, A. R., Raneesh, B., Joseph, S., Arif, P. M., Nambissan, P. M. G., Das, D., & Kalarikkal, N. (2019). Magnetic performance and defect characterization of core–shell MgFe₂O₄@BaTiO₃ multiferroic nanostructures. Physical Chemistry Chemical Physics, 21(17), 8709–8720.
Achamma, G., Qureshi, M. S., & Malik, M. M. (2019). X-ray photoelectron spectroscopy and Raman studies of ZnO:Ce nanocrystals. Journal of Applied Spectroscopy, 86(5), 831–835.
Thankachan, R. M., Raneesh, B., Mayeen, A., Karthika, S., Vivek, S., Nair, S. S., & Kalarikkal, N. (2018). Room-temperature magnetoelectric coupling in CuFe₂O₄–BaTiO₃ core-shell and nanocomposite structures. Journal of Alloys and Compounds, 731, 288–296.
George Thomas, G., Sreya, P., & Hafsa, L. S. (2018). Spatial variation of urban heat island in Pathanamthitta. Rational Discourse, 24(1).
Karthika, S. (2018). Structural and optical characterization of Tb³⁺/CdS-doped titania–zirconia xerogels. International Journal of Scientific and Engineering Research, 8(6), 197–202.
Woldu, T., Raneesh, B., Hazra, B. K., Srinath, S., Saravanan, P., Reddy, M. R., & Kalarikkal, N. (2017). Structural, dielectric, and multiferroic properties of CaFe₂O₄/BaTiO₃ core–shell and mixed composites. Journal of Alloys and Compounds, 691, 644–652.
John, J., Thomas, L., Kurian, A., Nampoori, V. P. N., & George, S. D. (2017). Effect of gold nanoparticle decoration on the thermal and optical behaviour of mesoporous silica–Rhodamine 6G hybrids. Microporous and Mesoporous Materials, 244, 171–179.
Achamma George. (2017). Optical and morphological studies of Ga-doped ZnO nanocrystals. Journal of Applied Chemistry, 10(2), 60–64.
Abraham, A. R., Raneesh, B., Woldu, T., Aškrabić, S., Lazović, S., Dohčević-Mitrović, Z., & Kalarikkal, N. (2017). Magnetoelectric coupling and Raman features in 0–0 type hybrid multiferroic core–shell nanostructures. The Journal of Physical Chemistry C, 121(8), 4352–4362.
Woldu, T., Raneesh, B., Reddy, M. R., & Kalarikkal, N. (2016). Grain-size-dependent magnetoelectric coupling in BaTiO₃ nanoparticles. RSC Advances, 6(10), 7886–7892.
Ummer, R. P., Raneesh, B., Thevenot, C., Rouxel, D., Thomas, S., & Kalarikkal, N. (2016). Electric, magnetic, piezoelectric and magnetoelectric behaviour of BiFeO₃–NaNbO₃/P(VDF–TrFE) nanocomposite films prepared by spin coating. RSC Advances, 6(33), 28069–28080.
Woldu, T., Raneesh, B., Sreekanth, P., Reddy, M. R., Philip, R., & Kalarikkal, N. (2016). Nonlinear optical properties of (1–x)CaFe₂O₄–xBaTiO₃ composites. Ceramics International, 42(9), 11093–11108.
John, J., Thomas, L., Kurian, A., & George, S. D. (2016). Enhanced heat diffusion in nanofluid through DNA-mediated aggregation. RSC Advances, 6(67), 62390–62398.
John, J., Thomas, L., Kurian, A., & George, S. D. (2016). Modulating fluorescence quantum yield of concentrated fluorescein using green-synthesized gold nanoparticles of different shapes. Journal of Luminescence, 172, 39–46.
Conference Proceedings (2016-2025)
Joseph, J. A., Roy, R., Thomas, J., Jwala, A., & George, A. (2024). Synthesis, structural and optical properties of pure and Li-doped SnO/SnO₂ hybrid nanostructures. Proceedings of the 2nd International Conference on Advanced Nanostructures. ISBN: 978-81-970091-1-2.
Karthika, S., Liyana, S. J., & Malavika, M. M. (2024). Silver nanoparticles doped in zirconia-based binary oxide for optical applications. Proceedings of the 2nd International Conference on Advanced Nanostructures. ISBN: 978-81-970091-1-2.
Rajan, A., Mohanan, R., Balakrishnan, R., & Karthika, S. (2024). A comprehensive study on the optical, electrical, and structural features of Nd₂O₃ nanoparticles. Proceedings of the 2nd International Conference on Advanced Nanostructures. ISBN: 978-81-970091-1-2.
Vinodan, K., Alias, S., & Balakrishnan, R. (2024). Thermal energy harvesting properties of ferroelectric KNbO₃ nanoparticles. Proceedings of the 2nd International Conference on Advanced Nanostructures. ISBN: 978-81-970091-1-2.
Chacko, S. K., & Balakrishnan, R. (2024). Fabrication and characterization of highly flexible magnetoelectric nanofibers with spinel ferrite nanoparticles integrated in PVDF-HFP matrix. Proceedings of the 2nd International Conference on Advanced Nanostructures. ISBN: 978-81-970091-1-2.
Heera, S., Varghese, L. M., Nithish, S., Reji, S., & Dhanya, I. (2021). Gamma-irradiated silver–anthracene nanocomposites for luminescent material fabrication. AIP Conference Proceedings, 2327, 020048. https://doi.org/10.1063/5.0039944
Dhanya, I., Chandran, S., Varghese, L. M., Nithish, S., & Reji, S. (2021). Structural and optical studies of colloidal silver nanoparticles. Materials Today: Proceedings, 43, 3780–3785.
Varghese, R. G., Anu, M. K., & Dhanya, I. (2021). Gamma-radiated silver nanocolloid for anti-fungal activity. Materials Today: Proceedings. https://doi.org/10.1016/j.matpr.2021.06.118
Chacko, S. K., Rahul, M. T., Jose, J. K., Vinodan, K., & Raneesh, B. (2021). Structural, dielectric and magnetoelectric properties of Bi³⁺-doped NiFe₂O₄ nanoparticles. Proceedings of the DAE Solid State Physics Symposium, 55. ISBN: 81-8372-085-4.
Thomas, G., & Zachariah, E. J. (2020). Urban climate and local climate zone classification in the city of Kochi, India. AIP Conference Proceedings, 2287, 020008.
Thomas, G., & Mathews, G. M. (2020). Assessment of the potential of green wall on modification of local urban microclimate in tropical humid climate using ENVI-met. Proceedings of the Virtual International Conference on Energy, Environment & Health. ISBN: 978-81-940627-0-7.
Thomas, G., & Zachariah, E. J. (2020). Urban heat island study in Kochi based on LCZ classification. Proceedings of the International Conference ICRAMS 2020.
Heera, S., Dhanya, I., Varghese, L. M., Krishna, M., & Renji, R. (2020). Anti-fungal studies of tea-leaf mediated silver nanocolloid. IOP Conference Series: Materials Science and Engineering, 995(1), 012036.
Dhanya, I., Varghese, L. M., Reji, S., Nithish, S., & Chandran, S. (2020). Synthesis and characterization of silver nanoparticles using homoeo medicine (Gelsemium sempervirens). AIP Conference Proceedings, 2263(1), 060002.
Simon, S., Ajayan, A., & George, A. (2020). Li-doped tin oxide nanocrystals for photovoltaic applications. Proceedings of the International Conference on Energy, Environment and Health, p. 33. ISBN: 978-81-940627-0-7.
Thomas, G., & Zachariah, E. J. (2019). Methane in coastal Arabian Sea off Kochi, South-West India. Proceedings of the National Conference on Environmental Status of Estuarine and Coastal Ecosystems in India. ISBN: 9789353469269.
Shreya, P., & Thomas, G. (2019). A study of the urban heat island in a coastal city interlaced by wetlands. Proceedings of the 31st Kerala Science Congress.
Linsa, L., Simon, S., Vijayan, A., Prasad, D., Achenkunju, A., & George, A. (2019). Mg-doped ZnO nanocrystals for photovoltaic applications. Advanced Materials for Energy (NSAME-2019), 22.
Thomas, G., Samuel, S., Vinodan, K., Pattathodika, A. S., & Babu, S. (2018). Nanoparticles-based solar reflective coating to mitigate urban heat island effect. ICAN2018: Technology Letters. ISSN: 2348-8131.
Thomas, G., Reji, R. M., & Parvathy, S. (2018). Urban heat island mitigation using nano-modified surfaces. ICAN2018: Technology Letters. ISSN: 2348-8131.
Abraham, A. R., Raneesh, B., Das, D., Oluwafemi, O. S., Thomas, S., & Kalarikkal, N. (2018). Interface-engineered ferrite@ferroelectric core-shell nanostructures. AIP Conference Proceedings, 1942(1).
Nair, A., Neethu, K., Nair, A., Babu, B., Kumar, V. S., & George, A. (2018). Optical and morphological properties of SnO nanocrystals. ICAN2018: Technology Letters, 39–42.
George, A., Shajeem, J., Aishwarya, A., Anila, A., Aswathy, A., & Anuja, A. (2017). ZnO doped with Al and Ga nanocrystals by a facile route of synthesis. International Conference on Advances in Functional Materials (ICAFM-2017). ISBN: 978-93-80366-35.
Abraham, A. R., Raneesh, B., Das, D., & Kalarikkal, N. (2016). Magnetic response of superparamagnetic multiferroic core-shell nanostructures. AIP Conference Proceedings, 1731(1).
Books Chapters (2016-2025)
Mohammed, R., Balakrishnan, R., Thomas, N. G., & Dalvi, Y. B. (2025). Biocompatible nanocomposites: Synthesis, challenges and future prospects in biomedical applications. In Biocompatible Nanocomposites: From Synthesis to Applications. Springer. ISBN: 9789819674497.
Mohammed, R., & Balakrishnan, R. (2025). Advancements and applications of polycaprolactone and its composites in biomedical engineering: A comprehensive review. In Biocompatible Nanocomposites: From Synthesis to Applications. Springer. ISBN: 9789819674497.
Chacko, S. K., Balakrishnan, R., & Visakh, P. M. (2025, in press). An introduction to electroactive polymers. In Electroactive Polymer-Based Smart Materials and Applications. Wiley & Scrivener Publishing.
Mohanan, R., Balakrishnan, R., & Karthika, S. (2025, in press). Exploring the potential of PEDOT:PSS: From fundamental properties to diverse applications. In Electroactive Polymer-Based Smart Materials and Applications. Wiley & Scrivener Publishing.
Rajan, A., Balakrishnan, R., & Karthika, S. (2025, in press). Biodegradable PLA: Synthesis, properties and PLA-based nanocomposite applications. In Electroactive Polymer-Based Smart Materials and Applications. Wiley & Scrivener Publishing.
Thomas, G. (2021). The impact of COVID-19 pandemic on ambient air quality in urban megacities in India. In The COVID Divide: Behavioural, Social & Economic Impacts. A2Z Learning Hub LLP. ISBN: 978-81-951230-3-2.
Dhanya, I., et al. (2023). Electrical energy transport through correlated barrier hopping mechanism in silver-decorated graphene oxide nanolayers. In Advanced Nanomaterials. Apple Academic Press. ISBN: 9781774916643.
Samuel, S. M., et al. (2023). Effect of ZnO nanorods treated by Calycopteris floribunda on the growth of Oryza sativa: Green and sustainable chemistry. In Ecofriendly Nanotechnology. Apple Academic Press. ISBN: 9781774916506.
George, A., Aswathy, P., Megha, A., & Linsa, G. (2019). Study of optical properties of Mg-doped SnO₂ nanocrystals. In Proceedings of Grenze Scientific Society, Chapter 1.15, pp. 76–80. ISBN: 978-81-936117-9-1.
George, A., Jessy, S., & Amina, S. (2019). Al-doped SnO₂ nanocrystals for photovoltaic applications. In Proceedings of Grenze Scientific Society, Chapter 2.14, pp. 146–151. ISBN: 978-81-936117-9-1.
Jose, J. K., & Balakrishnan, R. (2022). Multiferroics for spintronic applications. In Nanotechnology in Electronics: Materials, Properties, Devices. Wiley-VCH.
Chacko, S. K., Rahul, M. T., & Balakrishnan, R. (2022). Magnetoelectric polymer nanocomposites for energy harvesting. In Engineered Polymer Nanocomposites for Energy Harvesting Applications. Elsevier.
Badherdheen, B., Raneesh, B., & Visakh, P. M. (2021). Triboelectric nanogenerators for energy harvesting and sensing applications. In Metal Oxide Nanocomposites: Synthesis and Applications. Wiley & Scrivener Publishing.
Visakh, P. M., & Raneesh, B. (2021). Nanostructured multiferroics: Current trends and future prospects. In Nanostructured Multiferroics. Wiley.
Visakh, P. M., & Raneesh, B. (2021). Metal oxide nanocomposites: State-of-the-art and new challenges. In Metal Oxide Nanocomposites: Synthesis and Applications. Wiley & Scrivener Publishing.
Thankachan, R. M., & Balakrishnan, R. (2018). Synthesis strategies of single-phase and composite multiferroic nanostructures. In Synthesis of Inorganic Nanomaterials. Woodhead Publishing (Elsevier).
