Publications (19)
Effect of geometry on magnetism of Hund's metals: A case study with BaRuO
Hrishit Banerjee, Hermann Schnait, Markus Aichhorn +1
In order to explore the effects of structural geometry on properties of correlated metals we investigate the magnetic properties of cubic (3C) and hexagonal (4H) BaRuO. While t…
Tuning paradigm of external stimuli driven electronic, optical, and magnetic properties in Hybrid Perovskites and Metal Organic Complexes
Hrishit Banerjee, Jagjit Kaur, M. K. Nazeeruddin +1
We have witnessed a wide range of theoretical as well as experimental investigations to envisage external stimuli induced changes in electronic, optical, and magnetic properties in…
Tuning Electronic and Optical Properties of 2D/3D Construction based on Hybrid Perovskites through Interfacial Charge Transfer: Towards Higher Efficiency Solar Cells
Hrishit Banerjee, Md. Khaja Nazeeruddin, Sudip Chakraborty
The 2D/3D construction of hybrid perovskite interfaces is gaining increasing attention due to their enhanced stability towards degradation without compromising the corresponding so…
Exploring magnetic and topological complexity in MgMnSn: from frustrated ground states to nontrivial Hall conductivity
Jyotirmoy Sau, Hrishit Banerjee, Sourabh Saha +2
We explore the intriguing topological itinerant magnet MgMnSn, characterized by bilayer kagome Mn layers encasing a hexagonal Sn layer. Using \textit{ab initio} Density fun…
Temperature and Pressure-driven Spin transitions and Piezochromism in a Mn-based Hybrid Perovskite
Hrishit Banerjee, Angela Rittsteuer, Markus Aichhorn
Hybrid perovskites have been at the forefront of condensed matter research particularly in context of device applications primarily in relation to applications in the field of sola…
The importance of electronic correlations in exploring the exotic phase diagram of layered LiMnO
Hrishit Banerjee, Clare P. Grey, Andrew J. Morris
Using ab initio dynamical mean-field theory we explore the electronic and magnetic states of layered LiMnO as a function of , the state of charge. Constructing real-spac…
Cationic Effect on Pressure driven Spin-State Transition and cooperativity in Hybrid Perosvkites
Hrishit Banerjee, Sudip Chakraborty, Tanusri Saha-Dasgupta
Hybrid or metal organic framework (MOF) perovskites of general composition, ABX, are known to show interesting properties which can lead to variety of technological application…
Electronic and Magnetic State of LaMnO Epitaxially Strained on SrTiO: Effect of Local Correlation and Non-local Exchange
Hrishit Banerjee, Oleg Janson, Karsten Held +1
Motivated by the puzzling report of the observation of a ferromagnetic insulating state in LaMnO/SrTiO heterostructures, we calculate the electronic and magnetic state of L…
Topological transitions to Weyl states in bulk BiSe: Effect of hydrostatic pressure and doping
Sudip Kumar Saha, Hrishit Banerjee, Manoranjan Kumar
BiSe, a layered three dimensional (3D) material, exhibits topological insulating properties due to presence of surface states and a band gap of 0.3 eV in the bulk. We study…
Emergence of a ferromagnetic insulating state in LaMnO/SrTiO heterostructures: The role of strong electronic correlations and strain
Hrishit Banerjee, Markus Aichhorn
Inspired by the experimental findings of an exotic ferromagnetic insulating state in LaMnO/SrTiO heterostructures, we calculate the electronic and magnetic state of LaMnO$_…
Decoupling the effects of geometry and nature of strain in LaMnO: Interplay of dynamic correlations and uniaxial strain driving magnetic phase transitions
Florian P. Lindner, Markus Aichhorn, Hrishit Banerjee
Recent years have seen tremendous progress in experimental techniques to create uniaxial strain. Motivated by these advances we investigate the effect of uniaxial strain on LaMnO$_…
Understanding the role of exchange and correlations in complex oxides under strain and oxide heterostructures
Hrishit Banerjee
The study of complex oxides and oxide heterostructures have dominated the field of experimental and theoretical condensed matter research for the better part of the last few decade…
Importance of electronic correlations for the magnetic properties of the two-dimensional ferromagnet CoBr
Hrishit Banerjee, Markus Aichhorn
We investigate the emergence of ferromagnetism in the two-dimensional metal-halide CoBr, with a special focus on the role of electronic correlations. The calculated phonon spec…
Direct Evidence of Metal-Ligand Redox in Li-ion Battery Positive Electrodes
Galo J. Paez Fajardo, Daniela Dogaru, Hrishit Banerjee +15
Describing Li-ion battery positive electrodes in terms of distinct transition metal or oxygen redox regimes can lead to confusion in understanding metal-ligand hybridisation, oxyge…
Ligand hole driven metal-insulator transition in a prototypical transition metal double perovskite oxide CaFeMnO
Arindam Sarkar, Hrishit Banerjee, Debashish Das +2
CaFeMnO (CFMO) double perovskite was studied using first principles density functional theory and tight-binding (TB) Hamiltonian modeling using extended Hubbard model. We h…
V NMR evidence for interlayer-modulated charge order and a first-order low-temperature transition in CsVSb
Xiaoling Wang, Arneil P. Reyes, Hrishit Banerjee +3
Charge order in the kagome superconductor CsVSb exhibits a complex three-dimensional organization and intermediate-temperature anomalies whose bulk character has remained u…
Half-metallic ferromagnetism in layered CdOHCl induced by hole doping
Hrishit Banerjee, Paolo Barone, Silvia Picozzi
Next-generation spintronic devices will benefit from low-dimensionality, ferromagnetism, and half-metallicity, possibly controlled by electric fields. We find these technologically…
Electronic Structure of Oxide Interfaces: A Comparative Analysis of GdTiO/SrTiO and LaAlO/SrTiO Interfaces
Hrishit Banerjee, Sumilan Banerjee, Mohit Randeria +1
Emergent phases in the two-dimensional electron gas (2DEG) formed at the interface between two insulating oxides have attracted great attention in the past decade. We present ab-in…
Dynamical analog spacetimes from nonlinear perturbations in a topological material
Surajit Das, Surojit Dalui, Hrishit Banerjee +1
Emergent spacetime analogs in condensed matter systems have opened a fascinating window into simulating aspects of gravitational physics in controlled laboratory environments. In t…