Search Results - "Vovk, Ruslan"

Defects, dopants and Mg diffusion in MgTiO3 by Kuganathan, Navaratnarajah, Iyngaran, Poobalasuntharam, Vovk, Ruslan, Chroneos, Alexander

“…Magnesium titanate is technologically important due to its excellent dielectric properties required in wireless communication system. Using atomistic…”
Get full text

Mobile fluxons as coherent probes of periodic pinning in superconductors by Dobrovolskiy, Oleksandr V., Huth, Michael, Shklovskij, Valerij A., Vovk, Ruslan V.

“…The interaction of (quasi)particles with a periodic potential arises in various domains of science and engineering, such as solid-state physics, chemical…”
Get full text

Oxygen migration in doped BaGdInO4 by Kuganathan, Navaratnarajah, Davazoglou, Konstantinos, Vovk, Ruslan V., Chroneos, Alexander

“…Doped-BaGdInO4 is a promising material for many applications including solid oxide fuel cells due to its high oxide-ion conductivity. Here we employ atomistic…”
Get full text

Spin-Wave Phase Inverter upon a Single Nanodefect by Dobrovolskiy, Oleksandr V, Sachser, Roland, Bunyaev, Sergey A, Navas, David, Bevz, Volodymyr M, Zelent, Mateusz, Śmigaj, Wojciech, Rychły, Justyna, Krawczyk, Maciej, Vovk, Ruslan V, Huth, Michael, Kakazei, Gleb N

“…Local modification of magnetic properties of nanoelements is a key to design future-generation magnonic devices in which information is carried and processed…”
Get full text

The Evolution of Solid Oxide Fuel Cell Materials by Chroneos, Alexander, Goulatis, Ioannis L., Solovjov, Andrei, Vovk, Ruslan V.

“…Solid oxide fuel cells (SOFCs) are a key component of the future energy landscape. Although there is considerable research on the physical properties and…”
Get full text

Mayenite Electrides and Their Doped Forms for Oxygen Reduction Reaction in Solid Oxide Fuel Cells by Kuganathan, Navaratnarajah, Vovk, Ruslan V., Chroneos, Alexander

“…The oxygen reduction reaction is an important reaction at the cathode in solid oxide fuel cells. Materials that exhibit high chemical and mechanical stability,…”
Get full text

Comparative Analysis of the Irradiation with Medium Fluences of High-Energy Electrons and Pr Doping on the Fluctuation Conductivity of YBa2Cu3O7–δ Single Crystals by Khadzhai, George, Goulatis, Ioannis, Chroneos, Alexander, Feher, Alexander, Vovk, Ruslan

“…Medium-fluence fast electron irradiation (1019 e/cm2 to 1020 e/cm2) or the changes in the praseodymium concentration in the range of 0.0 ≤ z ≤ 0.5 on the…”
Get full text

Resistivity anisotropy in YBCO single crystals irradiated with fast electrons by Khadzhai, Georgij Ya, Vovk, Ruslan V., Dobrovolskiy, Oleksandr V.

“…Temperature dependences of the longitudinal and transverse resistivity of YBa2Cu3O7−δ single crystals irradiated with fast electrons are investigated. It is…”
Get full text

Seventy-Five Years since the Point-Contact Transistor: Germanium Revisited by Sgourou, Efstratia N., Daskalopulu, Aspassia, Tsoukalas, Lefteri H., Stamoulis, George, Vovk, Ruslan V., Chroneos, Alexander

“…The advent of the point-contact transistor is one of the most significant technological achievements in human history with a profound impact on human…”
Get full text

Defects, diffusion and dopants in Li8SnO6 by Kuganathan, Navaratnarajah, Solovjov, Andrei L., Vovk, Ruslan V., Chroneos, Alexander

“…Octalithium tin (IV) oxide (Li8SnO6) is an important electrode material considered for lithium ion batteries (LIBs) because of its high lithium content. We…”
Get full text

The CiCs(SiI)n Defect in Silicon from a Density Functional Theory Perspective by Christopoulos, Stavros-Richard, Sgourou, Efstratia, Vovk, Ruslan, Chroneos, Alexander, Londos, Charalampos

“…Carbon constitutes a significant defect in silicon (Si) as it can interact with intrinsic point defects and affect the operation of devices. In heavily…”
Get full text

Kinetics of Ions in Post-Lithium Batteries by Sgourou, Efstratia N., Daskalopulu, Aspassia, Tsoukalas, Lefteri H., Goulatis, Ioannis L., Vovk, Ruslan V., Chroneos, Alexander

“…There is a technological necessity for more efficient, abundant, and sustainable materials for energy storage applications. Lithium-ion batteries dominate,…”
Get full text

Toward Defect Engineering Strategies to Optimize Energy and Electronic Materials by Sgourou, Efstratia, Panayiotatos, Yerasimos, Vovk, Ruslan, Chroneos, Alexander

“…The technological requirement to optimize materials for energy and electronic materials has led to the use of defect engineering strategies. These strategies…”
Get full text

Reduction of Microwave Loss by Mobile Fluxons in Grooved Nb Films by Dobrovolskiy, Oleksandr V., Sachser, Roland, Bevz, Volodymyr M., Lara, Antonio, Aliev, Farkhad G., Shklovskij, Valerij A., Bezuglyj, Alexei I., Vovk, Ruslan V., Huth, Michael

“…In the mixed state of type II superconductors penetrated by an external magnetic field in the form of a lattice of Abrikosov vortices, the dc resistance is…”
Get full text

IV-characteristics and power of emission from stacks of long Josephson junctions with Gaussian spread of critical currents by Grib, Alexander, Vovk, Ruslan, Savich, Sergiy, Shaternik, Volodymyr

“…The creation of sources of coherent emission in the terahertz region of frequencies from stacks of intrinsic Josephson junctions in high-temperature…”
Get full text

Self-Diffusion in Perovskite and Perovskite Related Oxides: Insights from Modelling by Sgourou, Efstratia N., Panayiotatos, Yerasimos, Davazoglou, Konstantinos, Solovjov, Andrei L., Vovk, Ruslan V., Chroneos, Alexander

“…Perovskite and perovskite related oxides are important materials with applications ranging from solid oxide fuel cells, electronics, batteries and high…”
Get full text

Transverse resistance in Y1−yPryBa2Cu3O7−δ at large praseodymium concentrations by Vovk, Ruslan V., Khadzhai, Georgij Ya, Dobrovolskiy, Oleksandr V.

“…The effect of praseodymium doping on the transverse electrical resistance of Y1−yPryBa2Cu3O7−δ single crystals is investigated by electrical resistance…”
Get full text

Modelling the Defect Processes of Materials for Energy Applications by Sgourou, Efstratia N., Daskalopulu, Aspassia, Goulatis, Ioannis, Panayiotatos, Yerassimos, Solovjov, Andrei L., Vovk, Ruslan V., Chroneos, Alexander

“…The technological requirement for ever more efficient materials for the energy and electronics sectors has led to the consideration of numerous compositionally…”
Get full text

Defects, dopants and Mg diffusion in MgTiO 3 by Kuganathan, Navaratnarajah, Iyngaran, Poobalasuntharam, Vovk, Ruslan, Chroneos, Alexander

“…Magnesium titanate is technologically important due to its excellent dielectric properties required in wireless communication system. Using atomistic…”
Get full text

Resistive measurements of the pseudogap in lightly Pr-doped Y1−xPrxBa2Cu3O7−δ single crystals under high hydrostatic pressure by Vovk, Ruslan V., Khadzhai, Georgij Ya, Dobrovolskiy, Oleksandr V.

“…The effect of high hydrostatic pressure on the basal-plane electrical conductivity of lightly Pr-doped Y1−xPrxBa2Cu3O7−δ (x≤0.05) single crystals is…”
Get full text