• IITKgpFaculty excellence award
• Alexander von Humboldt fellow

Journal
• Ultra-Low Electric Field Induced Volatile Resistive Switching in Hole-Doped MgTi2O4 by Maji P., Rahaman A. , Dey J. K., Chowdhury S. , Paria S. , Hoesch M. , Chaudhuri A. R., Choudhury D. Advanced Materials - (2026)
• Continuously tunable Raman polarization in non-Hermitian anisotropic microcavity polaritons by Das P., Chakraborty D. , Dhara A. , Ghosh K. , Chaudhuri A. R., Dhara S. Physical Review B - (2026)
• Anisotropic exciton polariton pairs as a platform for PT-symmetric non-Hermitian physics by Chakrabarty D., Dhara A. , Das P. , Ghosh K. , Chaudhuri A. R., Dhara S. Nano Letters 26 4089-4095 (2026)
• Zero-threshold PT-symmetric polariton-Raman laser by Dhara A., Das P. , Chakrabarty D. , Ghosh K. , Chaudhuri A. R., Dhara S. Physical Review B 111 L041408-1- (2025)
• Mitigation of Memory State Variability in SiO2 Memristors by Cu Nanoparticles Incorporation by Jana B., Ghosh K. , Roy Chaudhuri A. Journal of Alloys and Compounds 179690- (2025)
• Intralayer Exciton Formation in Dielectric-Defined Type-I Heterostructures of 2D MoSe2 Monolayers by Ghosh K., Chaudhuri A. R. Journal of Physical Chemistry C - (2025)
• Negative differential resistance in memristive systems: historical evolution, mechanisms and neuromorphic applications of niobium oxide devices by Lu H., Xie S. , Zhang W. , Chen Y. , Tao J. , Mhaskar C. M., Roy Chaudhuri A. , Lin Y. , Li J. , Mathur S. , Huang Z. Nanoscale - (2025)
• Negative differential resistance in memristive systems: historical evolution, mechanisms and neuromorphic applications of niobium oxide devices by Lu H., Xie S. , Zhang W. , Chen Y. , Tao J. , Mhaskar C. M., Roy Chaudhuri A. , Lin Y. , Li J. , Mathur S. , Huang Z. Nanoscale - (2025)
• Chloride Ion Vacancy-Mediated Multilevel Bipolar Resistive Switching in Lead-Free All-Inorganic Halide Perovskite Thin Films by Mhaskar C. M., Roy Chaudhuri S. , Roy Chaudhuri A. ACS Applied Materials and Interfaces - (2025)
• Engineering Charge Transfer Doping of MoSe2 Monolayers via Epitaxial Orientation-Dependent Surface Electron Accumulation in high- Dielectric Gd2O3 Thin Films by Ghosh K., Dhara A. , Roy A. , Sato Y. , Dhara S. , Fissel A. , Osten H. J., Chaudhuri A. R. Journal of Materials Chemistry C - (2025)
• Interference-Modulated Excitonic Reflectance of Monolayer MoSe2 on Epitaxial Gd2O3 Thin Films by Ghosh K., Fissel A. , Osten H. J., Chaudhuri A. R. ACS Applied Optical Materials - (2024)
• Oxygen Vacancy Engineering and Its Impact on Resistive Switching of Oxide Thin Films for Memory and Neuromorphic Applications by Jana B., Chaudhuri A. R. Chips 235-257 (2024)
• Neuromorphic learning and recognition in WO3 x thin film-based forming-free flexible electronic synapses by B Mohapatra R., Mhaskar C. M., Sahu M. C., Sahoo S. , Roy Chaudhuri A. Nanotechnology - (2024)
• Forming free bipolar resistive switching in SiOx-based flexible MIM devices by Jana B., Gaur P. , Chaudhuri A. R. Bull. Mater. Sci. - (2024)
• Non-stoichiometric WO3 x-based nanoscale memristor for high-density memory by Rudrapal K., Das S. , Basori R. , Banerji P. , Adyam V. , Roy Chaudhuri A. AIP Advances 13 085011- (2023)
• Tuning resistive switching properties of WO3 x-memristors by oxygen vacancy engineering for neuromorphic and memory storage applications by Rudrapal K., Biswas M. , Jana B. , Adyam V. , Roy Chaudhuri A. Journal of Physics D Applied Physics 56 1-11 (2023)
• Structural origin of room-temperature ferroelectricity in spark-plasma sintered DyCrO3 and LaCrO3 by Mishra S., K. , Rudrapal K. , Jana B. , Islam K. P., Sagdeo A. , Chaudhuri A. R., Adyam V. , Choudhury D. Physical Review B 107 1-8 (2023)
• Recent Progress in Flexible Multiferroics by Jana B., Ghosh K. , Rudrapal K. , Gaur P. , Shihabudeen P. , Roy Chaudhuri A. Frontiers in Physics: Condensed Matter Physics 822005- (2022)
• Integration of MoSe2 Monolayers with Epitaxial High- Gd2O3 Substrate: Implication for High-Quality Emission and Modulation of Excitonic Quasiparticles by Ghosh K., Dhara A. , Dhara S. , Fissel A. , Osten H. , Chaudhuri A. R. ACS Applied Nano Materials 5 9567-9575 (2022)
• Nitrogen doped In2O3 ZnO nanocomposite mesoporous thin film based highly sensitive and selective ethanol sensors by Shihabudeen P., Roy Chaudhuri A. Nanoscale 14 5185-5193 (2022)
• Nitrogen incorporated zinc oxide thin film for efficient ethanol detection by Shihabudeen P., Yaghoobi Notash M. , Sardroodi J. J., Roy Chaudhuri A. Sensors and Actuators B 358 131544- (2022)
• Ethanol sensing properties of nitrogen doped In2O3 thin films by Shihabudeen P.K., Roy Chaudhuri A. Journal of Materials Research - (2021)
• Towards enhanced room-temperature photovoltaic effect in ferroelectric Bi and Fe codoped BaTiO3 by Pal P., Rudrapal K. , Maji P. , Chaudhuri A. R., Choudhury D. Journal of Physical Chemistry C 125 5315-5326 (2021)
• Observation of room temperature ferroelectricity in spark-plasma sintered GdCrO3 by Mishra S., K. , Rudrapal K. , Rahaman A. , Pal P. , Sagdeo A. , Mishra R. , Topwal D. , Roy Chaudhuri A. , Adyam V. , Choudhury D. Physical Review B 104 180101- (2021)
• K+ and Mg2+ co-doped bipolar Na3V2(PO4)3: An ultrafast electrode for symmetric sodium ion full cell by Das A., Majumder S.B., Roy Chaudhuri A. Journal of Power Sources 461 - (2020)
• K+ and Mg2+ co-doped bipolar Na3V2(PO4)3: An ultrafast electrode for symmetric sodium ion full cell by Das A., Basu Majumder S. , Roy Chaudhuri A. Journal of Power Sources 461 228149- (2020)
• Superior optical ( 1550 nm) emission and detection characteristics of Ge microdisks grown on virtual Si0.5Ge0.5/Si substrates using molecular beam epitaxy by Singh S., Katiyar A. K., Sarkar A. , Shihabudeen P. , Roy Chaudhuri A. , Goswami D. K., Ray S. K. Nanotechnology 31 115206- (2020)
• Superior optical ( ~1550 nm) emission and detection characteristics of Ge microdisks grown on virtual Si0.5Ge0.5/Si substrates using molecular beam epitaxy by Singh S., Katiyar A. K., Sarkar A. , Shihabudeen P. , Roy Chaudhuri A. , Goswami D. K., Ray S. K. Nanotechnology 31 115206- (2020)
• Improving ethanol sensing characteristics of indium oxide thin films by nitrogen incorporation by Shihabudeen P., Roy Chaudhuri A. Sensors & Actuators: B. Chemical 305 127523- (2020)
• Improving ethanol sensing characteristics of indium oxide thin films by nitrogen incorporation by Shihabudeen P.K., Roy Chaudhuri A. Sensors and Actuators, B: Chemical 305 - (2020)
• Engineering room-temperature multiferroicity in Bi and Fe codoped BaTiO3 by Pal P., Pramanick T. , Rudrapal K. , Majumder S. , Yadav S. , Mahana S. , Topwal D. , Choudhary R. , Singh K. , Roy Chaudhuri A. , Choudhury D. Applied Physics Letters 117 012901- (2020)
• Origin and tuning of room-temperature multiferroicity in Fe-doped BaTiO3 by Pal P., Rudrapal K. , Mahana S. , Yadav S. , Paramanik T. , Mishra S. , Singh K. , Sheet G. , Topwal D. , Roy Chaudhuri A. , Choudhury D. Physical Review B 101 064409- (2020)
• Growth and Dielectric Properties of Monoclinic Gd2O3 on Si(001) by Gribisch P., Roy Chaudhuri A. , Fissel A. ECS Transactions 93 57-60 (2019)
• Hydrogen sensing characteristics of perovskite based calcium doped BiFeO3 thin films by Bala A., Majumder S. B., Dewan M. , Roy Chaudhuri A. International Journal of Hydrogen Energy 44 18648-18656 (2019)
• Improving electrochemical performance of Li-S rechargeable cell by cathode composition modification by Singh L. K., Majumder S. B., Chaudhuri A. R. Materials Letter 227 176-178 (2018)
• Improving electrochemical performance of Li-S rechargeable cell by cathode composition modification by Singh L.K., Majumder S.B., Roy Chaudhuri A. Materials Letters 227 176-178 (2018)
• Improving electrochemical performance of Li-S rechargeable cell by cathode composition modification by Singh L. K., Majumder S. B., Roy Chaudhuri A. Materials Letters 227 176-178 (2018)
• Epitaxial lanthanide oxide thin films on Si for high-k gate dielectric application: Growth optimization and defect passivation by Roy Chaudhuri A., Fissel A. , Osten H. Journal of Materials Research 32 699-716 (2017)
• Impact of boron on the step-free area formation on Si (111) mesa structures by Ayan Roy Chaudhuri, H. J. Osten, A. Fissel Journal of Applied Physics 118 - (2015)
• Impact of surface phase coexistence on the development of step-free areas on Si(111) by Andreas Fissel, Ayan Roy Chaudhuri, Jan Krügener, Philipp Gribisch, H. Jörg Osten Frontiers of Materials Science 9 - (2015)
• Influence of 1x1- (7x7) phase transition on step-free area formation in molecular beam epitaxial growth of Si on Si(111) by Andreas Fissel, Ayan Roy Chaudhuri, Jan Krügener, H. Jorg Osten Journal of Crystal Growth 425 - (2015)
• Tuning Dielectric Properties of Epitaxial Lanthanide Oxides on Silicon (invited) by H. Joerg Osten, Dominik Schwendt, Ayan Roy Chaudhuri, Andreas Fissel, Pini Shekhter and Moshe Eizenberg ECS Transactions 61 - (2014)
• Superior dielectric properties for template assisted grown (100) oriented Gd2O3 thin films on Si(100) by Ayan Roy Chaudhuri, A. Fissel and H. J. Osten Applied Physics Letters 104 - (2014)
• The influence of carbon doping on the performance of Gd2O3 as high-k gate dielectric by P. Shekhter, Ayan Roy Chaudhuri, A. Laha, S. Yehezkel, A. Shriki, H. J. Osten and M. Eizenberg Applied Physics Letters 105 - (2014)
• Enhanced dielectric properties of nitrogen doped epitaxial Gd2O3 thin films on Si by Ayan Roy Chaudhuri, A. Fissel and H. Jörg Osten Physica Status Solidi C 11 - (2014)
• Investigation of band offsets and dc leakage properties of nitrogen doped epitaxial Gd2O3 thin films on Si by Ayan Roy Chaudhuri, A. Fissel, H.-J. Osten Journal of Applied Physics 113 - (2013)
• Role of domain walls in the abnormal photovoltaic effect in BiFeO3 by Akash Bhatnagar, Ayan Roy Chaudhuri, Young Heon Kim, Dietrich Hesse and Marin Alexe Nature Communications 4 - (2013)
• Improving dielectric properties of epitaxial Gd2O3 thin films on silicon by nitrogen doping by Ayan Roy Chaudhuri, A. Fissel, V. R. Archakam, H.-J. Osten Applied Physics Letters 102 - (2013)
• Epitaxial strain stabilization of a ferroelectric phase in PbZrO3 thin films by Roy Chaudhuri A., Arredondo M. , Hähnel A. , Morelli A. , Becker M. , Alexe M. , Vrejoiu I. Physical Review B 84 054112- (2011)
• Investigation of true remnant polarization in heterostructured artificial biferroics by Roy Chaudhuri A., Krupanidhi S. Solid State Communications 150 660- (2010)
• Electrocaloric effect of PMN-PT thin films near morphotropic phase boundary by Saranya D., Roy Chaudhuri A. , Parui J. , Krupanidhi S. Bull. Mater. Sci. 32 259- (2009)
• Investigation of biferroic properties in La0.6Sr0.4MnO3/0.7Pb(Mg1/3Nb2/3)O3 0.3PbTiO3 epitaxial bilayered heterostructures by Roy Chaudhuri A., Krupanidhi S. , Mandal P. , Sundaresan A. Journal of Applied Physics 106 054103- (2009)
• DC leakage mechanism in artificial biferroic superlattices by Roy Chaudhuri A., Krupanidhi S. Journal of Applied Physics 104 104102- (2008)
Patent
• ENERGY-EFFICIENT POLARONIC MOTT-INSULATOR BASED MEMRISTOR by Maji P., Choudhury D. , Roy Chaudhuri A. - (2025)
• HIGHLY STOCHASTIC DUAL MEMRISTOR BASED TRUE RANDOM NUMBER GENERATOR LEVERAGING CURRENT VARIATIONS by Ahmad I., Roy Chaudhuri A. - (2025)

Principal Investigator

• Structural & Physical Properties of Transition Metal Oxide Thin Films foe Resistive Switching Memory Applications
• Investigation of Forming Free Resistive Switching in Functional Oxide Thin films and Heterostructures Compatible to Silicon Technology
• Development of CMOS Compatible Resistive Switching Layer and Highly Non-linear Selector for 3D-Stackable 1S1R Crossbar Array-structured Memory Cell
• High-k Dielectric Substrate Engineering of Two Dimensional Semiconducting TMDCs for Advanced (opto) Electronic Applications

Co-Principal Investigator

• Air Quality Monitoring Prototype
• Air Quality Monitoring Prototype
• Air Quality Monitoring Prototype
• Air Quality Monitoring Prototype
• DEVELOPMENT OF MBE CLUSTER TOOL BASED EPITAXIAL NANO-SEMICONDUCTOR INFRASTRUCTURE AND PROCESS INTEGRATION FACILITY FOR HIGH PERFORMANCE RF/MICROWAVE COMPOUND SEMICONDUCTOR HETEROSTRUCTURE NANO-DEVICES ON SILICON
• Development of Sodium Ion Rechargeable Coin Cell Micro-Batteries for Consumer Electronic Devices
• Exploratory synthesis of Hard Carbon anode and identified cathode (TMO) and optimize in half-cell and full cells in coin cell, cylindrical and pouch formats for sodium ion batteries
• Generation of Exciton-polariton Laser using Two Dimensional Semiconductor Embedded Optical Microcavity