Department of Physics

Indian Institute Of Technology Madras , Chennai

Recent Publications

# Titles Authors Journal Year
1 Microstructure and magnetostriction of Tb0.3Dy0.7Fe1.95 prepared under different solidification conditions by zoning and modified Bridgman techniques Mithun Palit, S. Pandian, R. Balamuralikrishnan, A. K. Singh, Niranjan Das, V.Chandrasekharan and G. Markandeyulu

J. Appl. Phys. [Accepted]
2 Unravelling atomically resolved structure of a high-k dielectric oxidesemiconductor interface: Exit wave reconstruction and ab-initio calculation insights Mahabul Islam, Piu Rajak, Satyesh K Ydav, Somnath C Roy, Somnath Bhattacharyya Journal of Alloy and Compounds

Volume: 813 Page: 152232 DOI: 10.1016/j.jallcom.2019.152232

2020
3 Geometry dependent performance limits of stretchable reduced graphene oxide interconnects: The role of wrinkles Tushar Sakorikar, V. Pramitha, and Manu Jaiswal Carbon

Volume: 158 Page: 864 DOI: 10.1016/j.carbon.2019.11.070

2020
4 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: V13, No.2 Page: 024026 DOI: 10.1103/PhysRevApplied.13.024026

2020
5 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
6 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
7 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
8 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
9 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
10 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
11 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
12 Normal coordinates based on curved tangent space Hari K, Dawood Kothawala submitted

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

2020
14 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
15 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
16 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
17 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: (Accepted)

2020
18 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
19 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: Accepted

2020
20 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
21 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
22 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
23 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
24 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
25 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
26 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
27 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
28 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
29 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
30 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