73 citations · 209 across the 16 of their papers we have counts for
16 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…
Imaging GHz surface acoustic wave modes in electrostricted LaAlO/SrTiO heterostructures
Ranjani Ramachandran, Sayanwita Biswas, Prithwijit Mandal +6
The LaAlO/SrTiO (LAO/STO) interface hosts a gate-tunable superconducting two-dimensional electron gas (2DEG) which can be programmed to create quantum devices such as balli…
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…
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…
Orthorhombic distortion drives orbital ordering in an antiferromagnetic 3 Mott insulator
Prithwijit Mandal, Shashank Kumar Ojha, Duo Wang +9
The orbital, which represents the shape of the electron cloud, very often strongly influences the manifestation of various exotic phenomena, e.g., magnetism, metal-insulator transi…
Quantum fluctuations lead to glassy electron dynamics in the good metal regime of electron doped KTaO3
Shashank Kumar Ojha, Sankalpa Hazra, Surajit Bera +10
One of the central challenges in condensed matter physics is to comprehend systems that have strong disorder and strong interactions. In the strongly localized regime, their subtle…
Flux-flow instability across Berezinskii Kosterlitz Thouless phase transition in KTaO (111) based superconductor
Shashank Kumar Ojha, Prithwijit Mandal, Siddharth Kumar +2
The nature of energy dissipation in 2D superconductors under perpendicular magnetic field at small current excitations has been extensively studied over the past two decades. Howev…
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…
Electron trapping and detrapping in an oxide two-dimensional electron gas: The role of ferroelastic twin walls
Shashank Kumar Ojha, Sankalpa Hazra, Prithwijit Mandal +4
The choice of electrostatic gating over the conventional chemical doping for phase engineering of quantum materials is attributed to the fact that the former can reversibly tune th…
Spin liquid behavior of a three-dimensional magnetic system BaNiIrO with = 1
Siddharth Kumar, S. K. Panda, Manju Mishra Patidar +7
The quantum spin liquid (QSL) is an exotic phase of magnetic materials where the spins continue to fluctuate without any symmetry breaking down to zero temperature. Among the handf…
Giant orbital polarization of Ni in square planar environment
Prithwijit Mandal, Ranjan Kumar Patel, Dibyata Rout +7
Understanding the electronic behavior of Ni in a square planar environment of oxygen is the key to unravel the origin of the recently discovered superconductivity in the hol…
Oxygen Vacancy-Induced Topological Hall effect in a Nonmagnetic Band Insulator
Shashank Kumar Ojha, Sanat Kumar Gogoi, Manju Mishra Patidar +7
The discovery of skyrmions has sparked tremendous interests about topologically nontrivial spin textures in recent times. The signature of noncoplanar nature of magnetic moments ca…
Oxygen vacancy induced electronic structure modification of KTaO
Shashank Kumar Ojha, Sanat Kumar Gogoi, Prithwijit Mandal +4
The observation of metallic interface between band insulators LaAlO and SrTiO has led to massive efforts to understand the origin of the phenomenon as well as to search for…
Epitaxial stabilization of ultra thin films of high entropy perovskite
Ranjan Kumar Patel, Shashank Kumar Ojha, Siddharth Kumar +4
High entropy oxides (HEOs) are a class of materials, containing equimolar portions of five or more transition metal and/or rare-earth elements. We report here about the layer-by-la…