5 citations · 18 across the 12 of their papers we have counts for
12 papers
Charge transfer and competing symmetry breaking drive orbital reconstruction and emergent ferromagnetism in insulating oxide superlattices
Nandana Bhattacharya, Ranjan Kumar Patel, Siddharth Kumar +13
Electron correlation, hopping, and ligand-to-metal charge transfer collectively lead to diverse electronic and magnetic phenomena in 3 transition-metal oxides, where directional…
Coupled phase transitions in crystalline solids with extreme chemical disorder
Subha Dey, Rukma Nevgi, Suresh Chandra Joshi +13
Structural phase transitions often couple to magnetic and electronic degrees of freedom, enabling emergent phenomena in solids. In high-entropy oxides (HEOs), which typically stabi…
Extreme disorder in crystalline perovskite oxide: a new paradigm in quantum materials research
Srimanta Middey, Nandana Bhattacharya, Rukma Nevgi +2
Perovskite oxides (O) have long been central to the advancement of modern condensed matter physics, owing to their rich and tunable electronic and magnetic properties. The…
Mean field magnetism and spin frustration in a double perovskite oxide with compositional complexity
Nandana Bhattacharya, Ravi Kiran Dokala, Sourav Chowdhury +9
The rise of high-entropy oxides as a major functional materials design principle in recent years has prompted us to investigate how compositional disorder affects long-range magnet…
Janus-faced influence of oxygen vacancy in high entropy oxide films with Mott electrons
Suresh Chandra Joshi, Nandana Bhattacharya, Manav Beniwal +5
Contrary to traditional approaches, high entropy oxides (HEOs) strategically employ cationic disorder to engineer tunable functionalities. This disorder, stemming from multiple ele…
Interfacial reconstruction effects in insulating double perovskite NdNiMnO/SrTiO and NdNiMnO/NdGaO thin films
Nandana Bhattacharya, Ranjan Kumar Patel, Siddharth Kumar +6
Ferromagnetic insulating (FMI) double perovskite oxides (DPOs) O with near-room-temperature Curie temperatures are promising candidates for ambient-temperature spintron…
Beyond being free: glassy dynamics of SrTiO-based two-dimensional electron gas
Jyotirmay Maity, Shashank Kumar Ojha, Prithwijit Mandal +5
Electron glasses offer a convenient laboratory platform to study glassy dynamics. Traditionally, the interplay between long-range Coulomb interactions and disorder is deemed instru…
Local structural distortions drive magnetic molecular field in compositionally complex spinel oxide
Rukma Nevgi, Subha Dey, Nandana Bhattacharya +8
Understanding how local distortions determine the functional properties of high entropy materials, containing five or more elements at a crystallographic site, is an open challenge…
Site-selective polar compensation of Mott electrons in a double perovskite heterointerface
Nandana Bhattacharya, Arpita Sen, Ke Qu +17
Double perovskite oxides (DPOs) with two transition metal ions (O) offer a fascinating platform for exploring exotic physics and practical applications. Studyin…
Hole doping in a negative charge transfer insulator
Ranjan Kumar Patel, Krishnendu Patra, Shashank Kumar Ojha +7
NiO is a negative charge transfer energy system and exhibits a temperature-driven metal-insulator transition (MIT), which is also accompanied by a bond disproportionation (…
Electronic and magnetic properties of epitaxial thin film of Nd\tsubscript{0.5}Ba\tsuscriptb{0.5}MnO\tsubscript{3}
Siddharth Kumar, Shashank Kumar Ojha, Ranjan Kumar Patel +3
Contradictory reports about the electronic and magnetic behavior of bulk Nd0:5Ba0:5MnO3 with uniform disorder exist in the literature. In this work, we investigate the thin films o…
Non-uniform magnetization profile in ferromagnetic heterostructures leading to topological Hall effect like signatures
Nandana Bhattacharya, S. Middey
Anomalous Hall effect (AHE), which arises when a current is passed through a ferromagnetic material subjected to a perpendicular magnetic field, is proportional to the magnetizatio…