We work in inter-disciplinary areas of condensed matter science with primary focus on Strongly correlated electron systems.
Indian Insitute of Science
Joined January 2023
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Our recent @J_A_C_S represents first example of water-stable 2D hybrid halide compound with ideal 180° Pb−I−Pb bond angle leading to very small bandgap, exciton binding energy and improved PV performance doi.org/10.1021/jacs.3c03300 @I_am__Debasmita, @TeamM2S2 and other authors.
Our recent @PhysRevB article maps the T-P structural phase diagram of 8% Cr-doped VO2. Notably, none of the observed phases exhibit V-V dimerization or tilting, typically observed for pure and lightly doped VO2. Congrats to @mandalsayak95 and other authors doi.org/10.1103/h4d9-6kg9
We are pleased to announce that Prof. Srimanta Middey (@Middey_Sri), Associate Professor, Department of Physics, IISc, and a former member of the DDS group, has been selected to receive the 2026 SMC Bronze Medal. Heartiest congratulations to him.
Recent @ChemMater as part of a special issue “Honoring the Outstanding Contributions of Mercouri Kanatzidis to Chemistry of Materials” explores how lone pair effects and octahedral tilting drive polar-polar transitions in CsGeI3.Congrats to all the authors doi.org/10.1021/acs.chemmate…
Our recent article in Small @WileyGlobal addresses: Why is quantum-cutting in Yb3+-doped CsPbCl3 thermally-activated, despite being a down-conversion process? Also a first glimpse into the nature of the two photons emitted. Congrats to @POULOMI33303351
doi.org/10.1002%2Fsmll.20251…
We are pleased to announce that our former group member, Prof. Srimanta Middey (@Middey_Sri ) [Associated Professor, Department of Physics, IISc], has been awarded 'IISc Research Award 2026'. Heartiest congratulations to him.
Our collaborative work by @I_am__Debasmita with @shaibalksarkar team is now published! Using sputtered NiO HTL+thin buffer interface, 23.45% (rigid) & 22.1% (flexible) PCE are achieved, a major leap for fully inorganic n–i–p PSCs. Congrats to all. doi.org/10.1002/aenm.2025032…
D. D. Sarma's Group retweeted
The intellectual crescendo of Day 01 at ICMG-IV rose further as the second Keynote Lecture began at SRM University-AP, Amaravati.
Addressing the distinguished gathering was Prof. D. D. Sarma, Honorary Professor and CSIR Bhatnagar Fellow at the Indian Institute of Science, India. His keynote, “In Search of 1-Dimensional Systems, Hosting Quantum Spin Liquids,” drew deep engagement from physicists and materials researchers alike.
As questions flowed and conversations intensified, the atmosphere reflected the very spirit of ICMG-IV — rigorous science, bold exploration, and global collaboration. Day 01 unfolded as a landmark convergence of ideas shaping the future of materials physics.
#ICMG #ICMG2026 #ICMGIV #ACCMS #SRMUniversityAP #SRMAP #SRMAmaravati #SRM #SRMUniversity #SRMAPResearch #ResearchAtSRMAP #QuantumMaterials #QuantumSpinLiquids #CondensedMatterPhysics #LowDimensionalSystems #MaterialsPhysics #FrontiersOfScience #ScientificExcellence @DDSarmaGroup
As @ACSEnergyLett marks a decade of excellence, the editorial team reflects on the key advances made and lays down some of the pressing scientific issues for the next decade in the field of energy research.
doi.org/10.1021/acsenergylet…
We are delighted to announce that our former group member, Angshuman Nag (@AngshumanNag4), now Professor at IISER Pune has been appointed as an Associate Editor of JACS Au, starting from January 1, 2026. Heartiest congratulations to him.
We are delighted to announce that our former group member Ranjani Viswanatha (@ranjani62), currently professor at JNCASR, Bengaluru has been elected as a fellow of the Indian academy of Science (2026). Heartiest congratulations to her.
Rational data analysis matters! Our recent @ACSEnergyLett perspective article introduces a bias-free approach to analyze heat capacity data for thermoelectric materials. Congratulations to @RohjRohit, @anustoop_das, and @kanishkabiswas
doi.org/10.1021/acsenergylet…
Congrats to our former group member Dr. Sanjay Kumar Upadhyay @sanjayu24688430,now Assistant Professor at HNB Garhwal Central University, received the DAE SSPS Young Achiever Award at 69th DAE Solid State Physics Symposium (2025) for his contributions in condensed matter physics.
Our recent @ACSEnergyLett article solves the decades old puzzle of ultrafast Mn2+ sensitization in semiconductor hosts despite a large Stokes shift. Congratulations to @POULOMI33303351 @RanjanD13793943 @I_am__Debasmita @kd_remembers_18 and @PriyaMahadevan pubs.acs.org/doi/full/10.102…
Check out our recent @PhysRevB article on the crystal structure and order parameters of trivalent cation-doped vanadium dioxide. doi.org/10.1103/2r7t-rggt We uncover the true order of the T-M2 phase transition. Congrats to @mandalsayak95 and other authors
We are pleased to announce that our former group member, Prof. Kalobaran Maiti has been awarded the prestigious Bernard Coqblin Prize in 2025 for his pioneering contributions to correlated electron systems. Heartiest congratulations to him.
We are delighted to announce that our former group member, Prof. Kalobaran Maiti, has been recently appointed as the Director of the Indian Association for the Cultivation of Science, Kolkata. Heartiest congratulations to him.
Check out our recent article published in Energy & Fuels special issue “2025 Pioneers in Energy Research: Prashant Kamat” where we reported a new series of 2D hybrid halide passivators. Congrats to @I_am__Debasmita & other authors.
doi.org/10.1021/acs.energyfu…
We are delighted to announce that @AngshumanNag4 , former group member, now professor at IISER Pune received the Chemical Society of Japan’s Distinguished Lectureship Award at the 105th CSJ Meeting (2025) for his work on photochemistry. Heartiest congratulations to him.
Our collaborative PRL paper with @iiserkol team unveils hybrid perovskites "remember" thermal history, enabling 1 K precision temperature tracking! #SelfrecordingSensors
Congrats to @I_am__Debasmita for her contributions. link.aps.org/doi/10.1103/Phy…
We are delighted to announce that Angshuman Nag (@AngshumanNag4), a former member of our group and, at present, a professor at IISER Pune, has been elected as a Fellow of the Indian Academy of Sciences in the year 2024. Our heartiest congratulations to him.