Department of Physics

Indian Institute Of Technology Madras , Chennai

Recent Publications

# Titles Authors Journal Year
31 Measurement of viscoelastic properties of the cellular cytoplasm using optically trapped Brownian probes Vaippully, Rahul; Ramanujam, Vaibavi; Bajpai, Saumendra; Roy, Basudev Journal of Physics Condensed Matter

2020
32 Charge transfer mediated photoluminescence enhancement in carbon dots embedded in TiO2 nanotube matrix Anu Babusenan, B.Pandey, Somnath C.Roy, JayeetaBhattacharyya Carbon

Volume: 161 Page: 535 DOI: https://doi.org/10.1016/j.carbon.2020.01.097

2020
33 Gapless ground state in the archetypal quantum kagome antiferromagnet ZnCu3(OH)6Cl2 P. Khuntia, M. Velazquez, Q. Barthélemy, F. Bert, E. Kermarrec, A. Legros, B. Bernu, L. Messio, A. Zorko, and P. Mendels Nature Physics

Volume: 16 Page: 469 DOI: 10.1038/s41567-020-0792-1

2020
34 Neutron pairing with medium polarization beyond the Landau approximation M. Urban and S. Ramanan Physical Review C

Volume: 101 Page: 035803 DOI: 10.1103/PhysRevC.101.035803

2020
35 Charge transfer mediated photoluminescence enhancement in carbon dots embedded in TiO2 nanotube matrix Anu B, B Pandey, Somnath C Roy, Jayeeta Bhattacharya Carbon

Volume: 161 Page: 535 DOI: https://doi.org/10.1016/j.carbon.2020.01.097

2020
36 High Photo-electrochemical performance of reduced graphene oxide wrapped, CdS functionalized, TiO2 multi-leg nanotubes Y Rambabu, Swati Dhua, Manu Jaiswal, Somnath C Roy Nanotechnology

Volume: Accepted DOI: https://doi.org/10.1088/1361-6528/ab84a0

2020
37 CuO/Cu2O nanoflake/nanowire heterostructure photocathode with enhanced surface area for photoelectrochemical solar energy conversion Subish John, Somnath C Roy Applied Surface Science

Volume: 509 Page: 144703 DOI: https://doi.org/10.1016/j.apsusc.2019.144703

2020
38 Normal coordinates based on curved tangent space Hari K, Dawood Kothawala Phys. Rev. D 101, 124066

2020
39 Varying without varying: Reparameterisations, Diffeomorphisms, General Covariance, Lie derivatives, and all that Dawood Kothawala submitted

2020
40 Room-temperature magnetization reversal and magnetocaloric switching in Fe substituted GdMnO3 Arnab Pal, Manu Mohan, Adyam Venimadhav, and P. Murugavel Phys. Rev. Materials

Volume: 4 Page: 044407 DOI: 10.1103/PhysRevMaterials.4.044407

2020
41 Anisotropic asymmetric transmission of circularly polarized terahertz waves in a three dimensional spline assembly C. K. Amaljith, C. Venkateswaran, V. Subramanian, Zhengbiao Ouyang and N. Yogesh Optics Letters

Volume: 45 Page: 2315-2318 DOI: https://doi.org/10.1364/OL.388646

2020
42 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

Volume: 13 Page: 024026 DOI: https://link.aps.org/doi/10.1103/PhysRevApplied.13.024026

2020
43 Polycyclic Aromatic Hydrocarbons as a source for CH$_n^+$ (n = 4-6) and C3H2 in the ISM Roby Chacko, Shreyak Banhatti, Saroj Barik, G. Aravind Astrophysical Journal

Volume: 896 Page: 130 DOI: doi.org/10.3847/1538-4357/ab8fb1

2020
44 Template-free fabrication of BiFeO3 nanorod arrays: multiferroic and photo-electrochemical performances Swati Dhua, Hideto Furuno, Tomoyuki Homma, Nobuo Saito, Somnath C Roy Nanotechnology

Volume: Article In Press DOI: https://doi.org/10.1088/1361-6528/ab9132

2020
45 Stacking angle dependent multiple excitonic resonances in bilayer tungsten diselenide Ankit Arora, Pramoda K. Nayak, Tejendra Dixit, K. Lakshmi Ganapathi, Ananth Krishnan, and M. S. Ramachandra Rao Nanophotonics

DOI: doi.org/10.1515/nanoph-2020-0034

2020
46 Polarization driven self-biased and enhanced UV–visible photodetector characteristics of ferroelectric thin film Pranab Parimal Biswas, Subhajit Pal, V Subramanian and P Murugavel J. Phys. D.: Appl. Phys.

Volume: 53 Page: 275302 DOI: https://doi.org/10.1088/1361-6463/ab83c3

2020
47 Evidence for a three-dimensional quantum spin liquid in PbCuTe2O6 S. Chillal, Y. Iqbal, H. O. Jeschke, J. A. Rodriguez-Rivera, R. Bewley, P. Manuel, D. Khalyavin, P. Steffens, R. Thomale, A. T. M. N. Islam, J. Reuther, B. Lake Nature Communications

Volume: 11 Page: 2348 DOI: 10.1038/s41467-020-15594-1

2020
48 Pitch-rotational manipulation of single cells and particles using single-beam thermo-optical tweezers Sumeet Kumar, M. Gunaseelan, Rahul Vaippully, Amrendra Kumar, Gaurav Vaidya, S. Dutta, Basudev Roy Biomedical Optics Express

2020
49 Electric field and mechanical stress driven structural inhomogeneity andcompositionally induced relaxor phase transformation in modified BaTiO3 based lead-free ferroelectrics Subhajit Pal, Atal Bihari Swain, Sharath N V, and P. Murugavel J. Phys.: Condens. Matter

Volume: 32 Page: 365401 (8pp) DOI: https://doi.org/10.1088/1361-648X/ab8f5c

2020
50 Photoferroelectric phenomena in ferroelectric oxides and a Rayleigh analysis Subhajit Pal, Atal Bihari Swain, Pranab Parimal Biswas , and P. Murugavel Phys. Rev. Materials

Volume: 4 Page: 064415 DOI: 10.1103/PhysRevMaterials.4.064415

2020
51 q=0 long-range magnetic order in centennialite CaCu3(OD)6Cl2.0.6D2O: A spin-1/2 perfect kagome antiferromagnet with J1-J2-Jd K. Iida, H. K. Yoshida, A. Nakao, H. O. Jeschke, Y. Iqbal, K. Nakajima, S. Ohira-Kawamura, K. Munakata, Y. Inamura, N. Murai, M. Ishikado, R. Kumai , T. Okada, M. Oda, K. Kakurai, and M. Matsuda Physical Review B

Volume: 101 Page: 220408 DOI: 10.1103/PhysRevB.101.220408

2020
52 Fluorine Intercalated Graphene: Formation of a 2D Spin Lattice through Pseudoatomization S. B. Mishra, S. K. Yadav, D. G. Kanhere, and B. R. K. Nanda Physical Review Materials

Volume: Accepted Page: arXiv:2005.09888

2020
53 Pressure and Inversion Symmetry Breaking Field Driven First Order Phase Transition and Formation of Dirac Circle in Perovskites A. Kore, R. Kashikar, M. Gupta, P Singh, and B. R. K. Nanda Physical Review B

Volume: Accepted Page: arXiv:2004.06939

2020
54 Defining the topological influencers and predictive principles to engineer the band structure of halide perovskites R. Kashikar, M. Gupta, and B. R. K. Nanda Physical Review B

Volume: 101 Page: 155102 DOI: https://doi.org/10.1103/PhysRevB.101.155102

2020
55 Mechanistic Understanding of NO2 Dissociation on a Rutile TiO2 (110) Surface: An Electronic Structure Study S. Marutheeswaran, S. B. Mishra, S. C. Roy, and B. R. K. Nanda The Journal of Physical Chemistry C

Volume: 124 Page: 8786 DOI: https://doi.org/10.1021/acs.jpcc.0c00525

2020
56 Maximizing Short Circuit Current Density and Open Circuit Voltage in Oxygen Vacancy-Controlled Bi1–xCaxFe1–yTiyO3−δ Thin-Film Solar Cells S. Nandy, K. Kaur, S. Gautam, K. H. Chae, B. R. K. Nanda, and C. Sudakar ACS Applied Materials & Interfaces

Volume: 12 Page: 14105 DOI: https://doi.org/10.1021/acsami.9b18357

2020
57 Physical vapor deposited organic ferroelectric diisopropylammonium bromide film and its self-powered photodetector characteristics Shanmuga Priya, Lakshmi Kola, Subhajit Pal, Pranab Parimal Biswas and P. Murugavel RSC Advances

Volume: 10 Page: 25773-25779 DOI: DOI: 10.1039/d0ra03968c

2020
58 BGV theorem, geodesic deviation, and quantum fluctuations Dawood Kothawala Classical and Quantum Gravity

Volume: 38 Page: 045006 DOI: 10.1088/1361-6382/abd146

2020
59 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

Volume: 53 Page: 275302

2020
60 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, N. Yogesh Scientific Reports

Volume: 10 Page: 11117 DOI: 10.1038/s41598-020-67965-9

2020