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 Intercalated water mediated electromechanical response of graphene oxide films on flexible substrates Lavudya Devendar, M R Shijeesh, T. Sakorikar, K Lakshmi Ganapathi, and Manu Jaiswal Journal of Physics: Condensed Matter

Volume: 34 Page: 025001 DOI: 10.1088/1361-648X/ac2ad0

2022
3 Multiferroic, optical and magneto-dielectric properties with enhanced magneto-impedance characteristic of KBiFe2O5 Bushra Khan, Manoj K Singh, Aditya Kumar, Arushi Pandey, Sushmita Dwivedi, Upendra Kumar, Surbhi Ramawat, Sumit Kukreti, , Ambesh Dixit, Somnath C.Roy Journal of Alloys and Compounds

Volume: 893 Page: 162225 DOI: 10.1016/j.jallcom.2021.162225

2022
4 Development of CdTe quantum dot supported ZnIn2S4 hierarchical microflowers for improved photocatalytic activity R Janani, S Sumathi, B Gupta, Somnath C Roy, Shubra Singh et al Journal of Environmental Chemical Engineering

Volume: 10 Page: 107030 DOI: doi.org/10.1016/j.jece.2021.107030

2022
5 Ti3C2Tx MXene functionalization induced enhancement of photoelectrochemical performance of TiO2 nanotube arrays Nasima Khatun, Sutapa Dey, Govinda C Behera , Somnath C Roy Materials Chemistry and Physics

Volume: 278 Page: 125651 DOI: doi.org/10.1016/j.matchemphys.2021.125651

2022
6 Sign reversal of anomalous Hall conductivity and magnetoresistance in cubic noncollinear antiferromagnet thin films J Mukherjee, TS Suraj, H Basumatary, K Sethupathi, KV Raman Physical Review Materials

Volume: 5 (1) Page: 014201

2021
7 Pair‐Emission‐Induced Near‐Infrared Lasing from Ceramic Ga:LaCrO3 Microcrystals at Room Temperature TR Rajalekshmi, T Dixit, MSR Rao, K Sethupathi Physica Status Solidi (RRL)–Rapid Research Letters

Volume: 15 (4) Page: 2000519

2021
8 Study of Thermometry in Two-Dimensional Sb 2 Te 3 from Temperature-Dependent Raman Spectroscopy MP Singh, M Mandal, K Sethupathi, MSR Rao, PK Nayak Nanoscale research letters

Volume: 16 (1) Page: 1-8

2021
9 Magnetic Field Induced Quantum Spin Liquid in the Two Coupled Trillium Lattices of K2Ni2(SO4)3 Ivica Živković, et al., Yasir Iqbal, Johannes Reuther, and Henrik M. Rønnow Physical Review Letters

Volume: 127 Page: 157204 DOI: 10.1103/PhysRevLett.127.157204

2021
10 Gutzwiller projected states for the J1 − J2 Heisenberg model on the Kagome lattice: Achievements and pitfalls Yasir Iqbal, Francesco Ferrari, Aishwarya Chauhan, Alberto Parola, Didier Poilblanc, and Federico Becca Physical Review B

Volume: 104 Page: 144406 DOI: 10.1103/PhysRevB.104.144406

2021
11 Electronic structure and magnetic properties of the effective spin Jeff = 1/2 two-dimensional triangular lattice K3Yb(VO4)2 U. K. Voma, S. Bhattacharya, E. Kermarrec, J. Alam, Y. M. Jana, B. Sana, P. Khuntia, S. K. Panda, and B. Koteswararao Physical Review B

Volume: 104 Page: 144411 DOI: 10.1103/PhysRevB.104.144411

2021
12 Nature of Unconventional Pairing in the Kagome Superconductors AV3Sb5 (A = K, Rb, Cs) X. Wu, T. Schwemmer, T. Müller, A. Consiglio, G. Sangiovanni, D. Di Sante, Y. Iqbal, W. Hanke, A. P. Schnyder, M. M. Denner, M. H. Fischer, T. Neupert, and R. Thomale Physical Review Letters

Volume: 127 Page: 177001 DOI: 10.1103/PhysRevLett.127.177001

2021
13 The Brylinski Filtration for Affine Kac-Moody Algebras and Representations of W-algebras Suresh Govindarajan, Sachin S Sharma, Sankaran Viswanath Algebra and Representation Theory

DOI: 10.1007/s10468-021-10101-6

2021
14 Black Hole Hair Removal For N= 4 CHL Models Subhroneel Chakrabarti, Suresh Govindarajan, P Shanmugapriya, Yogesh K Srivastava, Amitabh Virmani Journal of High Energy Physics

Volume: 2 (125) DOI: 10.1007/JHEP02(2021)125

2021
15 Mathieu Moonshine and Siegel Modular Forms Suresh Govindarajan, Sutapa Samanta Journal of High Energy Physics

Volume: 3 (50) DOI: 10.1007/JHEP03(2021)050

2021
16 Investigation of thermal non-linearity due to nJ high repetition rate fs pulses on wrinkled graphene Soumyodeep Dey, Sudhakara Reddy Bongu, Vijay Kumar Sagar, Prem B. Bisht, J. Opt. Soc. Am. B 38 (2021) 2019-2026

2021
17 Evolution of stellated gold nanoparticles: new conceptual insights into controlling the surface processes Gurvinder Singh, Hesamodin Jami, Pooria Lesani, Shubhayan Bhattacharya, Yogambha Ramaswamy, Prem B Bisht, Hala Zreiqat Nano Research (2021) 10.1007/s12274-021-3635-1

2021
18 Magnetic properties of the S=5/2 anisotropic triangular chain compound Bi3FeMo2O12 K. Boya, K. Nam, A. K. Manna, J. Kang, C. Lyi, A. Jain, S. M. Yusuf, P. Khuntia, B. Sana, V. Kumar, A. V. Mahajan, Deepak R. Patil, Kee Hoon Kim, S. K. Panda, and B. Koteswararao Physical Review B

Volume: 104 Page: 184402 DOI: 10.1103/PhysRevB.104.184402

2021
19 Space charge limited conduction in anatase and mixed-phase (anatase/rutile) single TiO2 nanotubes Sourav Kumar Kajli, Debdutta Ray, Somnath C Roy Physica E: Low-dimensional Systems and Nanostructures

Page: 115030 DOI: doi.org/10.1016/j.physe.2021.115030

2021
20 Efficient UV-visible Photodetector Based on Single CuO/Cu2O Core-shell Nanowire Sourav Kumar Kajli, Debdutta Ray, Somnath C Roy Journal of Alloys and Compounds

Page: 162546 DOI: doi.org/10.1016/j.jallcom.2021.162546

2021
21 Linear-in- T resistivity from semiholographic non-Fermi liquid models Benoît Douçot, Ayan Mukhopadhyay, Giuseppe Policastro, and Sutapa Samanta Phys. Rev. D

Volume: 104 Page: L081901 DOI: 10.1103/PhysRevD.104.L081901

2021
22 Quasinormal modes of a semi-holographic black brane and thermalization Sukrut Mondkar, Ayan Mukhopadhyay, Anton Rebhan, and Alexander Soloviev JHEP 11 (2021) 080

DOI: 10.1007/JHEP11(2021)080

2021
23 Localized thermal spike driven morphology and electronic structure transformation in swift heavy ion irradiated TiO2 nanorods Sutapa Dey, A Chakraborty, S B Mishra, N Khatun, A Hazra, B R K Nanda, C Sudakar, D Kabiraj, S C Roy Nanoscale Advances

DOI: 10.1039/D1NA00666E.

2021
24 Effect of tidal curvature on dynamics of accelerated probes Hari K, Dawood Kothawala Phys. Rev. D

Volume: 104 DOI: 10.1103/PhysRevD.104.064032

2021
25 Pinwheel valence bond crystal ground state of the spin-1/2 Heisenberg antiferromagnet on the shuriken lattice N. Astrakhantsev, F. Ferrari, N. Niggemann, T. Müller, A. Chauhan, ... and Y. Iqbal Physical Review B (Letters) [Editors' Suggestion]

Volume: 104 Page: L220408 DOI: 10.1103/PhysRevB.104.L220408

2021
26 The Ising triangular-lattice antiferromagnet neodymium heptatantalate as a quantum spin liquid candidate T. Arh, B. Sana, M. Pregelj, P. Khuntia, Z. Jagličić, M. D. Le, P. K. Biswas, P. Manuel, L. Mangin-Thro, A. Ozarowski, and A. Zorko Nature Materials

DOI: 10.1038/s41563-021-01169-y

2021
27 Investigation of internal fields in organic semiconductors in the presence of traps Subhamoy Sahoo, Rajdeep Dhar, Soumya Dutta, and Jayeeta Bhattacharyya Journal of Applied Physics

Volume: 130 Page: 085702 DOI: doi.org/10.1063/5.0058515

2021
28 Spatial Extent of Interaction between Excitons and Polarons in a Bilayer Organic Field-Effect Transistor Haripriya Kesavan, Subhamoy Sahoo, Sanjoy Jena, Jayeeta Bhattacharyya, and Debdutta Ray ACS Photonics

Volume: 8 Page: 804

2021
29 Varying without varying: Reparameterisations, Diffeomorphisms, General Covariance, Lie derivatives, and all that Dawood Kothawala Eur. J. Phys.

Volume: 42 DOI: 10.1088/1361-6404/ac0105

2021
30 Large electrocaloric effect and energy storage performance of site-engineered lead-free Ba1-x(Bi0.5Li0.5)xTiO3 ferroelectric oxides S. Pal, P. P. Biswas, M. Rath, M S R. Rao, M. Miryala, M. Murakami and P. Murugavel J. Phys. D: Appl. Phys.

Volume: 54 Page: 045302 DOI: doi.org/10.1088/1361-6463/abbeb4

2021