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Articles: Recent submissions

  • Valagiannopoulos, Constantinos (EPJ Quantum Technol., 2021-02-06)
    In the last few years, there is a huge upsurge in the number of closed deals regarding quantum technologies for materials, computing, communication and instrumentation. Such a trend has inevitably affected the research ...
  • Kurbanova, Bayan A.; Mussabek, Gauhar K.; Timoshenko, Viktor Y.; Lysenko, Vladimir; Utegulov, Zhandos N. (MDPI, 2021-09-13)
    We present results on the photothermal (PT) and heat conductive properties of nanogranular silicon (Si) films synthesized by evaporation of colloidal droplets (drop-casting) of 100 ± 50 nm-sized crystalline Si nanoparticles ...
  • Vollbrecht, Joachim; Brus, Viktor V. (MDPI AG, 2021-08-06)
    Non-geminate recombination, as one of the most relevant loss mechanisms in organic and perovskite solar cells, deserves special attention in research efforts to further increase device performance. It can be subdivided ...
  • Good, Michael R. R.; Linder, Eric V. (Universe, 2021-03-05)
    We study the quantum radiation of particle production by vacuum from an ultra-relativistic moving mirror (dynamical Casimir effect) solution that allows (possibly for the first time) analytically calculable time evolution ...
  • Kaikanov, Marat; Kemelbay, Aidar; Amanzhulov, Bauyrzhan; Demeuova, Gulzat; Akhtanova, Gulnur; Bozheyev, Farabi; Tikhonov, Alexander (IOP Publishing Ltd, 2021-01-11)
    Silver nanowire (AgNW) networks have attracted particular attention as transparent conductive films (TCF) due to their high conductivity, flexibility, transparency, and large scale processing compatible synthesis. As-prepared ...
  • Abdullaev, Azat; Mukanova, Aliya; Yakupov, Talgat A.; Mentbayeva, Almagul; Bakenov, Zhumabay; Utegulov, Zhandos N. (Materials Today: Proceedings, 2020-01-16)
    Silicon is the heart of modern electronics and due to it is high theoretical storage capacity it also attracted much attention as a possible anode material for the next generation Li-ion batteries. Heat conduction is one ...
  • Gnatyuk, Volodymyr; Maslyanchuk, Olena; Solovan, Mykhailo; Brus, Viktor; Aoki, Toru (MDPI AG, 2021-05-18)
    Different contact materials and optimization of techniques of their depositions expand the possibilities to obtain high performance room temperature CdTe-based X/γ-ray detectors. The heterostructures with ohmic (MoOx) and ...
  • Tsitsas, Nikolaos L.; Valagiannopoulos, Constantinos (PHYSICAL REVIEW RESEARCH, 2020-09-30)
    Steering the incoming photonic power toward unusual directions, not predicted by Snell’s laws of reflection and refraction, is a fundamental operation behind numerous wavefront engineering applications. In this study, strong ...
  • Ong, Yen Chin; Good, Michael R. R. (PHYSICAL REVIEW RESEARCH, 2020-08-27)
    Hawking radiation originates from a “quantum atmosphere” around black holes, not necessarily from the vicinity of the horizon. We examine and discuss the properties of quantum atmospheres of asymptotically flat Reissne ...
  • Good, Michael R.R.; Linder, Eric V. (IOP Publishing Ltd, 2021-04-02)
    We present a modified Schwarzschild solution for a model of evaporation of a black hole with information preservation. By drawing a direct analogy to the quantum pure accelerating mirror (dynamical Casimir effect of a 1D ...
  • Gangaraj, S. Ali Hassani; Valagiannopoulos, Constantinos; Monticone, Francesco (PHYSICAL REVIEW RESEARCH, 2020-05-15)
    At frequencies much lower than the plasma frequency, individual subwavelength plasmonic scatterers are typically far from any scattering resonance, with the exception of some extreme geometries. Contrary to this conventional ...
  • Zhakenuly, Abay; Temirkhan, Maksat; Good, Michael R. R.; Chen, Pisin (MDPI AG, 2021-04-12)
    We find the quantum power emitted and distribution in 3 + 1-dimensions of relativistic acceleration radiation using a single perfectly reflecting mirror via Lorentz invariance, demonstrating close analogies to point charge ...
  • Solovan, Mykhailo M.; Yamrozyk, H. M.; Brus, Viktor V.; Maryanchuk, Pavlo D. (East European Journal of Physics, 2020-11-19)
    The paper reports on the structural, optical and electrical properties of graphite thin films prepared by two methods: the vacuum-free method "Pencil-on-semiconductor" and via the electron beam evaporation. Graphite thin ...
  • Valagiannopoulos, Constantinos (Springer Science and Business Media Deutschland GmbH, 2021-02-06)
    In the last few years, there is a huge upsurge in the number of closed deals regarding quantum technologies for materials, computing, communication and instrumentation. Such a trend has inevitably affected the research ...
  • Cong, Wan; Qian, Chen; Good, Michael R.R.; Mann, Robert B. (Journal of High Energy Physics, 2020)
    We study the effects of horizons on the entanglement harvested between two Unruh-DeWitt detectors via the use of moving mirrors with and without strict horizons. The entanglement reveals the sensitivity of the entanglement ...
  • Vollbrecht, Joachim; Brus, Viktor V. (Advanced Electronic Materials, 2020-09)
    The determination of the voltage-dependent density of free charge carriers via capacitance spectroscopy is considered an important step in the analysis of emerging photovoltaic technologies, such as organic and perovskite ...
  • Wang, Shifeng; Li, Yong; Ng, Annie; Hu, Qing; Zhou, Qianyu; Li, Xin; Liu, Hao (MDPI, 2020-08-22)
    Bi2Se3 possesses a two-dimensional layered rhombohedral crystal structure, where the quintuple layers (QLs) are covalently bonded within the layers but weakly held together by van der Waals forces between the adjacent ...
  • Jafari, Nosratollah; Good, Michael R.R. (Elsevier, 2020-10-10)
    We find finite-boost transformations DSR theories in first order of the Planck length , by solving differential equations for the modified generators. We obtain corresponding dispersion relations for these transformations, ...
  • Toshmatov, Bobir; Rahimov, Ozodbek; Ahmedov, Bobomurat; Malafarina, Daniele (Springer Verlag, 2020-07)
    The assumption of asymptotic flatness for isolated astrophysical bodies may be considered an approximation when one considers a cosmological context where a cosmological constant or vacuum energy is present. In this framework ...
  • Narzilloev, Bakhtiyor; Malafarina, Daniele; Abdujabbarov, Ahmadjon; Bambi, Cosimo (Springer Verlag, 2020-08)
    We consider a class of space-times given by a stationary extension of the Zipoy–Voorhees metric that was found by Halilsoy. We show that the solutions do not describe rotating sources but must be interpreted, similarly to ...