74 citations · 337 across the 18 of their papers we have counts for
18 papers
Cluster-configurational study of G-center in Silicon
Narayan Pokhrel, Kyungwha Park, Vsevolod Ivanov
Understanding the properties of defects is imperative for proper use for variety of applications including quantum computing. In this paper, we use the multiconfigurational self co…
Improving Jet A-1 Thermal-Oxidative Stability through Selective Removal of Unwanted Trace Species via 3.7 Å Chabazite Filtration
Morteza Roostaeinia, Ehsan Alborzi, Xue Yong +2
The thermal stability of Jet A-1 fuel is strongly affected by trace heteroatomic species that promote thermal oxidative deposit formation, as well as antioxidant additives such as…
Antiferromagnetic topological metal near the metal-insulator transition in MnS
Vsevolod Ivanov, Xiangang Wan, Sergey Y. Savrasov
Antiferromagnetic (AFM) semiconductor MnS possesses both high-spin and low-spin magnetic phases that can be reversibly switched by applying pressure. With increasing pressure,…
Intrinsic Origin and Enhancement of Topological Responses in Ferrimagnetic Antiperovskite Mn4N
Temuujin Bayaraa, Vsevolod Ivanov, Liang Z. Tan +1
Using first-principles calculations we investigate the intrinsic origins of the anomalous Hall effect (AHE) and the anomalous Nernst effect (ANE) in antiperovskite ferrimagnet Mn4N…
Database of semiconductor point-defect properties for applications in quantum technologies
Vsevolod Ivanov, Alexander Ivanov, Jacopo Simoni +4
Solid-state point defects are attracting increasing attention in the field of quantum information science, because their localized states can act as a spin-photon interface in devi…
Quantum emitter formation dynamics and probing of radiation induced atomic disorder in silicon
Wei Liu, Vsevolod Ivanov, Kaushalya Jhuria +9
Near infrared color centers in silicon are emerging candidates for on-chip integrated quantum emitters, optical access quantum memories and sensing. We access ensemble G color cent…
All-silicon quantum light source by embedding an atomic emissive center in a nanophotonic cavity
Walid Redjem, Yertay Zhiyenbayev, Wayesh Qarony +10
Silicon is the most scalable optoelectronic material, and it has revolutionized our lives in many ways. The prospect of quantum optics in silicon is an exciting avenue because it h…
Coactive-Staggered Feature in Weyl Materials for Enhancing the Anomalous Nernst Conductivity
Vsevolod Ivanov, Ella Banyas, Liang Z. Tan
Power generation through the anomalous Nernst effect in topological Weyl materials has several advantages over conventional thermoelectrics due to the transverse geometry. However,…
Phonon Induced Spin Dephasing Time of Nitrogen Vacancy Centers in Diamond from First Principles
Jacopo Simoni, Vsevolod Ivanov, Thomas Schenkel +1
Spin qubits with long dephasing times are an essential requirement for the development of new quantum technologies and have many potential applications ranging from quantum informa…
Effect of Localization on Photoluminescence and Zero-Field Splitting of Silicon Color Centers
Vsevolod Ivanov, Jacopo Simoni, Yeonghun Lee +10
The study of defect centers in silicon has been recently reinvigorated by their potential applications in optical quantum information processing. A number of silicon defect centers…
Defect engineering of silicon with ion pulses from laser acceleration
Walid Redjem, Ariel J. Amsellem, Frances I. Allen +27
Defect engineering is foundational to classical electronic device development and for emerging quantum devices. Here, we report on defect engineering of silicon single crystals wit…
Electronic structure and topology across in magnetic Weyl semimetal CoSnS
Antonio Rossi, Vsevolod Ivanov, Sudheer Sreedhar +8
CoSnS is a magnetic Weyl semimetal, in which ferromagnetic ordering at 177K is predicted to stabilize Weyl points. We perform temperature and spatial dependent angle--r…
Calculated Exchange Interactions and Sensitivity of Ni Two-Hole Spin State to Hund's Coupling in Doped NdNiO2
Xiangang Wan, Vsevolod Ivanov, Giacomo Resta +2
Using density functional based LDA+U method and linear-response theory, we study the magnetic exchange interactions of the superconductor Nd{1-x}Sr{x}NiO2. Our calculated nearest-n…
Renormalized quasiparticles, topological monopoles and superconducting line nodes in heavy fermion CeTX compounds
Vsevolod Ivanov, Xiangang Wan, Sergey Y. Savrasov
Non-centrosymmetric superconductors have recently attracted much attention, since the lack of inversion symmetry mixes spin singlet and triplet pairing states, which may allow the…
A Monopole Mining Method for High Throughput Screening Weyl Semimetals
Vsevolod Ivanov, Sergey Y. Savrasov
Although topological invariants have been introduced to classify the appearance of protected electronic states at surfaces of insulators, there are no corresponding indexes for Wey…
Correlation Driven Topological Insulator-to-Weyl Semimetal Transition in Actinide System UNiSn
Vsevolod Ivanov, Xiangang Wan, Sergey Y. Savrasov
Although strong electronic correlations are known to be responsible for some highly unusual behaviors of solids such as, metal--insulator transitions, magnetism and even high--temp…
Magnetoelectric effect and phase transitions in CuO in external magnetic fields
Zhaosheng Wang, Navid Qureshi, Shadi Yasin +8
Apart from being so far the only known binary multiferroic compound, CuO has a much higher transition temperature into the multiferroic state, 230 K, than any other known material…
Electrotransport and magnetic properies of Cr-GaSb spintronic materials synthesized under high pressure
M. V. Kondrin, V. R. Gizatullin, S. V. Popova +6
Electrotarnsport and magnetic properties of new phases in the system Cr-GaSb were studied. The samples were prepared by high-pressure (P=6-8 GPa) high-temperature treatment and ide…