Talks and Presentations

Contrasting Quantum Phenomena of the Perovskite Twins: Halides and Oxides, Invited Seminar at School of Physics, IISER Trivandrum, September, 2023

Electron confinement in chain-doped TMDs: A platform for spin-orbit coupled 1D physics, Third National Conference on Quantum Matter Heterostructures (QMH-2023), IIT Hyderabad (2023) (Invited Inaugural Lecture)

A theoretical framework to analyze and tailor electronic and optoelectronic properties of halide perovskites, NAMMA Psi-k workshop, 2023 JNCASR & IISc Bangalore (Invited Talk)

Computational Design of Electrode Materials: Challenges and Opportunities, International Summer School on Materials Informatics & bio-photonics for Medical and Energy Research (In SuMMER – 2023), Anna University, 2023 (Invited)

Designing Al ion batteries: Challenges and Opportunities, International Conference on Emergent Materials for Energy and Environment (EMEE), 2023, IIT Roorkee, India (Invited)

Complex interplay between SOC and electron correlation in 5d systems: Large magnetic anisotropy and topological quantum phases, Indo-Swedish meeting on Divergent Quantum Materials, Methods and Applications (DQMMA2023), 2023, Goa, India (Invited)

Identifying the useful halides within the perovskites and extended families: An electronic structure perspective, International Conference: AMPCO'2022 (Advances in Materials & Processing: Challenges & Opportunities), IIT Roorkee, 2022 (Invited)

Non-trivial band topology of perovskites, International Conference on the Topology in Condensed Matter Systems (ICTCMS), S N Bose National Center for Basic Sciences, Kolkata, 2022. (Invited)

Field Tunable Normal and Hybrid Spin Texture of Halide Perovskites, APS March Meeting, Chicago, 2022.

Benchmarking the Quantum Chemical Methods to Examine Ground and Excited States Electronic Structure of Diatomic Molecules, APS March Meeting, Chicago, 2022.

Competing interactions and emerging phases in low-spin d5 perovskites: Bulk and Ultrathin Films, APS March Meeting, Chicago, 2022.

Doping and Distortions as Tools to Tune the Optoelectronic Properties of Halide Double Perovskites, APS March Meeting, Chicago, 2022.

Exploration of novel quantum phases and existence of large magnetic anisotropy energy in low-spin d5 perovskites, 19th International Conference on Density Functional Theory and its Applications, Vrije Universiteit Brussels, Belgium, 2022.

Competing interactions and emerging phases in low-spin d5 perovskites: Bulk and Ultrathin Films, Virtual IEEE Magnetics Society Singapore Chapter, NUS Singapore, 2022. 

Electronic Structure is the key to understand and predict properties of solids, Physics Seminar Series Department of Physics, Ravenshaw University, 2022. (Invited)

Searching New Quantum Phenomena in Condensed Matter: First Principle Studies and Model Hamiltonian Approaches, National Conference on Advances in Condensed Matter Physics (ACMP), Government College, Angul, Odisha, 2022. (Invited)

Spin-texture as a finger print in halide perovskites,18th Edition of the Young Researcher's meeting (YRM) of the European Theoretical Spectroscopy Facility, Marseille, France, 2022. 

Computational design of cathode materials for Al based rechargeable batteries, Beyond the contemporary sciences (BCS-2022), Mehr Chand Mahanan DAV College for Women, Chandigarh and Amrita Vishwa Vidyapeetham, Mysore, 2022. (Invited)

Iridates and isovalent oxides: A platform to produce novel quantum states, International Conference on Emerging Trends in Science and Technology, Punjab Engineering College, Chandigarh, 2022. (Invited)

Stabilization of A-site ordered perovskites and formation of spin-half antiferromagnetic lattice: CaCu3Ti4O12 and CaCu3Zr4O12, PSI-K Conference, SwissTech Convention Center, EPFL, Lausanne, 2022.

Topology and spin-texture of halide perovskites, 19th International Conference on Density Functional Theory and its Applications, Vrije Universiteit Brussels, Belgium, 2022.

Band Structure Driven Property Determinations: Methods and Analysis, International Conference on Condensed Matter, Chennai Academy of Sciences, 2022. (Invited)

Contrasting Quantum Tales of Two Families of Perovskites: Halides and Oxides, "Departmental Seminar at SN

Bose National Centre for Basic Sciences, Kolkata, 2021", S N Bose National Center for Basic Sciences, 2021. (Invited)

Quantitative Evaluation of Chemical Bonding by Designing a Tight-Binding Model out of DFT, "Atomistic Modelling and Simulation of Materials (AMSM), IIT Kharagpur, 2021", IIT Kharagpur, 2021. (Invited)

Exploration of Trivial and Non-trivial electronic phases, and Collinear and Non-collinear Magnetic phases in low-spin d5 perovskites, "Bridging first-principles calculations and effective Hamiltonians", Psi-k summer school Italian Institute of Technology, Genova, Italy, 2021.

Insights into the Surface Chemistry of Adsorption of CO2 and NO2 Molecules on TiO2, DAE Solid State Physics Symposium, DAE Convention Center, Mumbai, 2021.

Band Theory of Solids, Physics Refresher Course with focus on Materials Science and Biophysics, IIT (ISM) Dhanbad, 2021. (Invited)

Synthesizing metals out of Insulators and Insulators out of Metals in Oxide Heterostructures, National Conference on Quantum Matter Heterostructures (QMH), Puri/IOP Bhubaneswar, 2020. (Invited)

Design and Electronic Structure Analysis of Graphene/Anatase TiO2 (001) Interface, Workshop on Excited Charge Dynamics in Semiconductors, ICTP, Italy, 2020.

Recreating Metal out of Insulators and Insulators out of Metals in Oxide Heterostructures, International Conference on Materials Genome (ACCMS-ICMG-2020), SRM University AP, Amaravati, 2020. (Invited)

Tight Binding model Study of Centrosymmetric and Noncentrosymmetric Halide Perovskites, International Conference on Materials Genome (ACCMS-ICMG-2020), SRM University AP, Amaravati, 2020. (Invited)

Electronic Structure of Anatase TiO2(001)/Graphene Interface: Can we ever induce a bandgap in Graphene, International Conference on Materials Genome (ACCMS-ICMG-2020), SRM University AP, Amaravati, 2020.

Lithium Diffusion in Transition Metal Oxides: Role of Cations, 10th Trilateral Conference on Nanoscience: Energy, Water & Healthcare, NTU Singapore, 2019. (Invited)

Topological Phases of Halide and Oxide Perovskites: Searching for Universal Descriptors, Asian Consortium of Computational Materials Science (ACCMS)-10, City University of Hong Kong, 2019. (Invited)

Designing of a Tight-Binding Model to Examine and Tailor the Band Topology in Perovskite Systems, The 11-th APCTP-IACS-IITB Joint Conference on Emergent Phenomena in Novel Oxide Materials and Low Dimensional Systems, IIT Bombay, 2019. (Invited)

Atomic Scale Computational Approaches to Study the Battery Materials: Case Study on Olivine Phosphates, Industry Academia Conclave on Energy Storage, MNIT Jaipur, 2019. (Invited)

Nanoscale engineering of gas adsorption on TiO2 surfaces, 26th International Symposium on Metastable, Amorphous and Nanostructured Materials (ISMNAM), IIT Madras, 2019. (Invited)

A "DFT+" computational approach to design quantum materials, Forum on Quantum Materials, NISER Bhubaneswar, 2019. (Invited)

Induced Magnetism in Graphene Bilayer due to Suspended Pseudo-atomized Fluorine Molecules, International Conference on Advanced Functional Materials Modelling (ICAMM), University of Rennes, France, 2019.

Designing of low strain graphene/TiO2 hybrid interface for efficient separation of charge carriers, International workshop on Advanced Materials (IWAM-2019), RAK CAM, Dubai, 2019.

Bandgap Engineering and formation of Non-trivial Topological States in Halide Perovskites: A Tight Binding Model Study, The 11-th APCTP-IACS-IITB Joint Conference on Emergent Phenomena in Novel Oxide Materials and Low Dimensional Systems, IIT Bombay, 2019.

Strain-Induced Topological Insulating States in Halide Perovskites: A Density Functional Study, The 11-th APCTP-IACS-IITB Joint Conference on Emergent Phenomena in Novel Oxide Materials and Low Dimensional Systems, IIT Bombay, 2019.

Role Of Hund's Coupling in Quasi-two-Dimensional Sr2RuO4: A mean field study, Second Annual Conference on Quantum Condensed Matter, IISc, Bangalore, 2019.

Occurrence of Invariant Dirac States in CsSnI3 Polymorphs under Strain, NanoGe Fall conference, Berlin Germany, 2019. 

Magnetism in Graphene due to Fluorine Intercalation and Atomization of F inside Bilayer Graphene: A First Principle Study, National Conference on Electronic Structure, SRM University, Chennai, 2018. (Invited)

Origin of Topologically Invariant Dirac States in Oxide and Halide Perovskites, Collaborative Conference on Materials Research (CCMR-2018), Incheon, Korea, 2018. (Invited)

Engineering Oxide Heterostructures to Create Spin-polarized Two-dimensional Electron Gas, Young Investigator Meet on Quantum Condensed Matter Theory, S. N. Bose National Center for Basic Sciences, Kolkata, 2018. (Invited)

Electronic Structure of Halide and Oxide Perovskites: Band Insulators to Topological Insulators, National Conference on Electron Spectroscopy and Electronic Structure, SRM University, Chennai, 2018. (Invited)

Different basis sets for DFT implementations, Evolution of Electronic Structure Theory & Experimental Realization (EESTER-2018), SRM University and IIT Madras, Chennai, 2018. (Invited)

Relevance of a tight-binding model in the contemporary research in condensed matter physics, Summer Workshop on “Modelling and Simulation in Materials Science and Engineering” with Hands on Session (MSME 2018), Satyabhama University, Chennai, 2018. (Invited)

Formation Mechanism of Carbonate Complex and CO2 Adsorption Anisotropy on Anatase TiO2 Materials Design and Energy Materials: Computational Approach, S R M University, Chennai, 2018. (Invited)

Layer by Layer Growth of 2D materials and Heterostructures: Insights from Density Functional Calculations International Conference on Laser Deposition (ICOLD), IIT Madras, 2017. (Invited)

Site Dependence of CO2 Adsorption on Anatase TiO2 (001) Surface: A First Principles Study, DAE Solid State Physics Symposium, BARC, Mumbai, 2017.

Effect of Hybridization and Spin-Orbit Coupling on the Band Inversion in Perovskite TI Compounds, DAE Solid State Physics Symposium, BARC, Mumbai, 2017.

Polyanion driven antiferromagnetic and insulating ground state of olivine phosphates: LiMPO4, APS March Meeting, Baltimore, USA, 2016.

Magnetism in intercalated graphene, DAE Solid State Physics Symposium, KIITS, Bhubaneswar, 2016.

Effect of strong correlation and covalent interaction on the magnetic coupling in LiFePO4, DAE Solid State Physics Symposium, KIITS, Bhubaneswar, 2016.

Interface ElectronicStructure Of La2/3Sr1/3MnO3-BaTiO3 Heterostructure, DAE Solid State Physics Symposium, KIITS, Bhubaneswar, 2016.

Virtual Synthesis of Crystals using ab-initio MD: Case Study on LiFePO4, DAE Solid State Physics Symposium KIITS, Bhubaneswar, 2016.

Adsorption of CO2 on the TiO2 Surface with and without a Graphene overlayer: First Principle Study, IUMRS-International Conference of Young Researchers on Advanced Materials (IUMRS-ICYRAM 2016), IISc, Bangalore, 2016.

Adhesion at WC/diamond interfaces-A theoretical study, DAE Solid State Physics Symposium, 2015. Amity University, Noida

Polyanion driven insulating behavior in antiferromagnetic LiFePO4, XXVII IUPAP Conference on Computational Physics, IIT Guwahati, 2015.

Electronic Structure at the Interface of Two Double Perovskites: Sr2FeMoO6/LaCoMnO6, XXVII IUPAP Conference on Computational Physics, IIT Guwahati, 2015.

Defect states and magnetism in Graphene, XXVII IUPAP Conference on Computational Physics, IIT Guwahati, 2015.

Ab initio Molecular Dynamics as a Tool to Synthesize Crystalline Materials: Case Study on LiFePO4, XXVII IUPAP Conference on Computational Physics, IIT Guwahati, 2015.

Surface: A First Principles Study, workshop on Computational Material Science, NIT Surathkal, Karnataka, 2015. (Invited)

Manipulation of magnetic order and conductivity in strongly correlated oxides through layer deformation and tailored interfaces, France India symposium on correlated oxide materials (FISCOM-2015), Montpellier, France, 2015. (Invited)

Computational Methods to Study Diffusion in Solids, Advances in Computational Materials Sciences (ACMS), Central University of Tamil Nadu (Thiruvarur) 2015. (Invited)

Electronic, magnetic and electrochemical profile of Lithium based olivine phosphates, School on “Materials and Processes for Applications in Energy and Environment”, JNCASR, Bangalore, 2015.

Curious case of LiFePO4: It is just not a battery material, it has rich electronic and magnetic phases as well, Current Trends in Condensed Matter Physics (CTCMP 2015), NISER Bhubaneswar, 2015. (Invited)

Long Range Magnetic Order in Graphene, IUSSTF conference on graphene and graphene nanoribbons, IISc Bangalore, 2014.(Invited)

Electronic Structure of Oxide Interfaces, Meeting on Physics from Electronic Structure Calculations, IMSc, Chennai, 2014. (Invited)

Jahn-Teller Effect and Magnetism in Graphene with a Substitutional Vacancy, ACCMS Theme Meeting on 2D Nanostructures: Graphene and Beyond, IISc Bangalore, 2012. (Invited)

Magnetism in Graphene with defects, National Conference on Magnetic Materials and Applications (MAGMA), IIT Madras, 2012. (Invited)