Search Results - "Ivan G. Ivanov"
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Developing silicon carbide for quantum spintronics
Published in Applied physics letters (11-05-2020)“…In current long-distance communications, classical information carried by large numbers of particles is intrinsically robust to some transmission losses but…”
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High-fidelity spin and optical control of single silicon-vacancy centres in silicon carbide
Published in Nature communications (26-04-2019)“…Scalable quantum networking requires quantum systems with quantum processing capabilities. Solid state spin systems with reliable spin–optical interfaces are a…”
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Electrical Charge State Manipulation of Single Silicon Vacancies in a Silicon Carbide Quantum Optoelectronic Device
Published in Nano letters (09-10-2019)“…Color centers with long-lived spins are established platforms for quantum sensing and quantum information applications. Color centers exist in different charge…”
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Energy levels and charge state control of the carbon antisite-vacancy defect in 4H-SiC
Published in Applied physics letters (27-05-2019)“…The carbon antisite-vacancy pair (CSiVC) in silicon carbide (SiC) has recently emerged as a promising defect for applications in quantum communication. In the…”
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An Optimization Precise Model of Stroke Data to Improve Stroke Prediction
Published in Algorithms (01-09-2023)“…Stroke is a major public health issue with significant economic consequences. This study aims to enhance stroke prediction by addressing imbalanced datasets…”
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Ultra-narrow inhomogeneous spectral distribution of telecom-wavelength vanadium centres in isotopically-enriched silicon carbide
Published in Nature communications (19-12-2023)“…Spin-active quantum emitters have emerged as a leading platform for quantum technologies. However, one of their major limitations is the large spread in…”
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On the Iterative Methods for the Solution of Three Types of Nonlinear Matrix Equations
Published in Mathematics (Basel) (01-11-2023)“…In this paper, we investigate the iterative methods for the solution of different types of nonlinear matrix equations. More specifically, we consider iterative…”
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Conditions and a computation method of the constrained regulation problem for a class of fractional-order nonlinear continuous-time systems
Published in International journal of applied mathematics and computer science (01-03-2021)“…The constrained regulation problem (CRP) for fractional-order nonlinear continuous-time systems is investigated. New existence conditions of a linear feedback…”
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Spin-relaxation times exceeding seconds for color centers with strong spin-orbit coupling in SiC
Published in New journal of physics (01-10-2020)“…Spin-active color centers in solids show good performance for quantum technologies. Several transition-metal defects in SiC offer compatibility with telecom…”
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Constrained State Regulation Problem of Descriptor Fractional-Order Linear Continuous-Time Systems
Published in Fractal and fractional (01-05-2024)“…This paper deals with the constrained state regulation problem (CSRP) of descriptor fractional-order linear continuous-time systems (DFOLCS) with order 0<α<1…”
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Calibration on wide-ranging aluminum doping concentrations by photoluminescence in high-quality uncompensated p-type 4H-SiC
Published in Applied physics letters (14-08-2017)“…Previous work has shown that the concentration of shallow dopants in a semiconductor can be estimated from the photoluminescence (PL) spectrum by comparing the…”
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In-situ terahertz optical Hall effect measurements of ambient effects on free charge carrier properties of epitaxial graphene
Published in Scientific reports (11-07-2017)“…Unraveling the doping-related charge carrier scattering mechanisms in two-dimensional materials such as graphene is vital for limiting parasitic electrical…”
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13
Stable and metastable Si negative-U centers in AlGaN and AlN
Published in Applied physics letters (20-10-2014)“…Electron paramagnetic resonance studies of Si-doped AlxGa1−xN (0.79 ≤ x ≤ 1.0) reveal two Si negative-U (or DX) centers, which can be separately observed for x…”
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Single Domain 3C-SiC Growth on Off-Oriented 4H-SiC Substrates
Published in Crystal growth & design (03-06-2015)“…We investigated the formation of structural defects in thick (∼1 mm) cubic silicon carbide (3C-SiC) layers grown on off-oriented 4H-SiC substrates via a…”
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The Influence of Carbon on Polytype and Growth Stability of Epitaxial Hexagonal Boron Nitride Films
Published in Advanced materials interfaces (01-06-2024)“…Boron nitride (BN) is a promising 2D material as well as a potential wide‐bandgap semiconductor. Chemical vapor deposition (CVD) is commonly used to deposit…”
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Identification and tunable optical coherent control of transition-metal spins in silicon carbide
Published in npj quantum information (01-10-2018)“…Color centers in wide-bandgap semiconductors are attractive systems for quantum technologies since they can combine long-coherent electronic spin and bright…”
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Exhaustive characterization of modified Si vacancies in 4H-SiC
Published in Nanophotonics (Berlin, Germany) (26-09-2022)“…The negatively charged silicon vacancy in silicon carbide is a well-studied point defect for quantum applications. At the same time, a closer inspection of…”
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Bioactivity Potential of Industrial Sunflower Meal Ethanol-Wash Solute Obtained as Waste from Protein Isolation Process
Published in Applied sciences (01-11-2021)“…Industrial sunflower meal is rich in secondary metabolites, which negatively influence the quality and functional properties of respective protein isolates. To…”
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Interval Methods with Fifth Order of Convergence for Solving Nonlinear Scalar Equations
Published in Axioms (2019)“…In this paper, based on Kou’s classical iterative methods with fifth-order of convergence, we propose new interval iterative methods for computing a real root…”
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Defects in silicon carbide grown by fluorinated chemical vapor deposition chemistry
Published in Physica. B, Condensed matter (15-04-2018)“…Point defects in n- and p-type 4H-SiC grown by fluorinated chemical vapor deposition (CVD) have been characterized optically by photoluminescence (PL) and…”
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