32 citations · 89 across the 17 of their papers we have counts for
18 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…
Electronic structure, band offset, and interface electron population of the LaInO/BaSnO system
G. Hoffmann, A. A. Riaz, C. Kalha +7
Perovskite oxides and their heterostructures exhibit a wide range of functional properties. Among these materials, BaSnO/LaInO heterostructures form high-mobility two-dimen…
Lifetime effects and satellites in the photoelectron spectrum of platinum metal
Prajna Bhatt, José Julio Gutiérrez Moreno, Laura E. Ratcliff +9
This work presents a comprehensive investigation of the electronic structure and many-body photoemission effects in metallic platinum using reflection high-energy electron energy-l…
From Film to Flakes: Electronic Properties and Magnetization Variations in Yttrium Iron Garnet
Pia M. Düring, Seema, Roman Hartmann +7
Yttrium iron garnet (YIG) is a ferrimagnetic insulator valued for its high Curie temperature, very low magnetic damping, and ability to support long-range spin-wave transport. Thes…
Extending the Growth Temperature-N Concentration Regime Through Pd Doping in Fe4N Thin Films
Rohit Kumar Meena, Akhil Tayal, Andrei Gloskovskii +1
Fe4N is a well-known anti-perovskite compound exhibiting high magnetization, high chemical stability, low coercivity, high Curie temperature, and high spin-polarization ratio. Ther…
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…
Long-term stability and oxidation of ferroelectric AlScN devices: An operando HAXPES study
Oliver Rehm, Lutz Baumgarten, Roberto Guido +6
Aluminum scandium nitride (AlScN) is a promising material for ferroelectric devices due to its large remanent polarization, scalability, and compatibility with semicond…
Enabling two-dimensional electron gas with high room-temperature electron mobility exceeding 100 cm/Vs at a perovskite oxide interface
Georg Hoffmann, Martina Zupancic, Aysha A. Riaz +7
In perovskite oxide heterostructures, bulk functional properties coexist with emergent physical phenomena at epitaxial interfaces. Notably, charge transfer at the interface between…
Intrinsic and extrinsic plasmons in the hard x-ray photoelectron spectra of nearly free electron metals
Mohammad Balal, Shuvam Sarkar, Pramod Bhakuni +3
Collective plasmon excitations in solids that result from the process of photoemission are an important area of fundamental research. In this study, we identify a significant numbe…
2D synthetic ferrimagnets by magnetic proximity coupling
Paul Rosenberger, Moumita Kundu, Andrei Gloskovskii +3
Proximity effects allow for the adjustment of magnetic properties in a physically elegant way. If two thin ferromagnetic (FM) films are brought into contact, electronic coupling al…
Quantifying the U covalence and degree of localization in U intermetallics
Andrea Marino, Denise S. Christovam, Daisuke Takegami +17
A procedure for quantifying the U electrons' covalence and degree of localization in U intermetallic compounds is presented. To this end, bulk sensitive hard and soft x-ray ph…
Ultrafast terahertz field control of the emergent magnetic and electronic interactions at oxide interfaces
A. M. Derrico, M. Basini, V. Unikandanunni +13
Ultrafast electric-field control of emergent electronic and magnetic states at oxide interfaces offers exciting prospects for the development of new generations of energy-efficient…
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…
Revealing the bonding nature and electronic structure of early transition metal dihydrides
Curran Kalha, Laura E. Ratcliff, Giorgio Colombi +11
Hydrogen as a fuel plays a crucial role in driving the transition to net zero greenhouse gas emissions. To realise its potential, obtaining a means of efficient storage is paramoun…
Layer-resolved electronic behavior in a Kondo lattice system, CeAgAs2
Sawani Datta, Ram Prakash Pandeya, Arka Bikash Dey +6
We investigate the electronic structure of an antiferromagnetic Kondo lattice system CeAgAs2 employing hard x-ray photoemission spectroscopy. CeAgAs2, an orthorhombic variant of Hf…
Modulation-Doping a Correlated Electron Insulator
Debasish Mondal, Smruti Rekha Mahapatra, Abigail M Derrico +11
Correlated electron materials (CEMs) host a rich variety of condensed matter phases. Vanadium dioxide (VO2) is a prototypical CEM with a temperature-dependent metal-to-insulator (M…
Time-resolved diffraction and photoelectron spectroscopy investigation of the reactive molecular beam epitaxy of ultrathin films
Tobias Pohlmann, Martin Hoppe, Jannis Thien +10
We present time-resolved high energy x-ray diffraction (tr-HEXRD), time-resolved hard x-ray photoelectron spectroscopy (tr-HAXPES) and time-resolved grazing incidence small angle x…
Interface Engineering to Create a Strong Spin Filter Contact to Silicon
C. Caspers, A. Gloskovskii, M. Gorgoi +7
Integrating epitaxial and ferromagnetic Europium Oxide (EuO) directly on silicon is a perfect route to enrich silicon nanotechnology with spin filter functionality. To date, the in…