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  • EFFECTS OF RECOMBINATION ORDER ON OPEN-CIRCUIT VOLTAGE DECAY MEASUREMENTS OF ORGANIC AND PEROVSKITE SOLAR CELLS 
    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 ...
  • ELECTRICAL AND PHOTOELECTRIC PROPERTIES OF HETEROJUNCTIONS MOOX/N-CD1-XZNXTE 
    Solovan, Mykhailo M.; Mostovyi, Andrii I.; Parkhomenko, Hryhorii P.; Brus, Viktor V.; Maryanchuk, Pavlo D. (East European Journal of Physics, 2021-02)
    The paper presents the results of studies of the optical and electrical properties of МоOx/n-Cd1-хZnхTe semiconductor heterojunctions made by depositing MoOx films on a pre-polished surface of n-Cd1-хZnхTe plates (5 × 5 × ...
  • ELECTRICAL AND STRUCTURAL CHARACTERIZATION OF FEW-LAYER GRAPHENE SHEETS ON QUARTZ 
    Aimaganbetov, Kazybek; Almas, Nurlan; Kurbanova, Bayan; Muratov, Dauren; Serikkanov, Abay; Insepov, Zinetula; Tokmoldin, Nurlan (Materials, 2022)
    Despite the impressive performance and incredible promise for a variety of applications, the wide-scale commercialization of graphene is still behind its full potential. One of the main challenges is related to preserving ...
  • ELECTRICAL CONDUCTIVITY ENHANCEMENT OF TRANSPARENT SILVER NANOWIRE FILMS ON TEMPERATURE-SENSITIVE FLEXIBLE SUBSTRATES USING INTENSE PULSED ION BEAM 
    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 ...
  • EMISSION OF NOBLE GASES BINARY MIXTURES UNDER EXCITATION BY THE PRODUCTS OF THE 6 LI (n, a) 3 H NUCLEAR REACTION 
    Samarkhanov, Kuanysh; Khasenov, Mendykhan; Batyrbekov, Erlan; Kenzhina, Inesh; Sapatayev, Yerzhan; Bochkov, Vadim (Hindawi Science and Technology of Nuclear Installations, 2020)
    'e luminescence of Kr-Xe, Ar-Kr, and Ar-Xe mixtures was studied in the spectral range 300–970 nm when excited by 6 Li (n, α) 3 H nuclear reaction products in the core of a nuclear reactor. Lithium was deposited on walls ...
  • The Erez-Rosen Solution Versus the Hartle-Thorne Solution 
    Boshkayev, Kuantay; Quevedo, Hernando; Nurbakyt, Gulmira; Malybayev, Algis; Urazalina, Ainur (MDPI, 2019-10)
    In this work, we investigate the correspondence between the Erez–Rosen and Hartle–Thorne solutions. We explicitly show how to establish the relationship and find the coordinate transformations between the two metrics. For ...
  • Extended logotropic fluids as unified dark energy models 
    Boshkayev, Kuantay; D'Agostino, Rocco; Luongo, Orlando (Springer, 2019-04)
    We study extended classes of logotropic fluids as unified dark energy models. Under the hypothesis of the Anton–Schmidt scenario, we consider a universe obeying a single fluid model with a logarithmic equation of state. ...
  • Extensive air showers event reconstruction using spatial and temporary particle distribution at Horizon-T experiment 
    Beznosko, Dmitriy; Yelshibekov, Khalykbek; Beisembaev, Rashid; Beisembaeva, Elena; Beremkulov, Т.; Iakovlev, Alexander; Jakupov, S; Sheverdin, A; Tagay, Zhenisbek; Uakhitov, T.; Vildanova, M.I.; Zhukov, V.V. (IOP Publishing, 2020-01-01)
    Content from this work may be used under the terms of the Creative Commons Attribution 3.0 licence. Any further distribution of this work must maintain attribution to the author(s) and the title of the work, journal citation ...
  • FABRICATION OF FLEXIBLE QUASI-INTERDIGITATED BACK-CONTACT PEROVSKITE SOLAR CELLS 
    Parkhomenko, Hryhorii P.; Shalenov, Erik O.; Umatova, Zarina; Dzhumagulova, Karlygash N.; Jumabekov, Askhat N. (Energies, 2022)
    Perovskites are a promising class of semiconductor materials, which are being studied intensively for their applications in emerging new flexible optoelectronic devices. In this paper, device manufacturing and characterization ...
  • FINITE THERMAL PARTICLE CREATION OF CASIMIR LIGHT 
    Good, Michael R. R.; Linder, Eric V.; Wilczek, Frank (Modern Physics Letters A, 2019)
    A new solution for an analytic spectrum of particle creation by an accelerating mir ror (dynamical Casimir effect) is given. It is the first model to simultaneously radiate thermally and emit a finite number of particles.
  • The geometry of the magnetic field in the central molecular zone measured by PILOT 
    A., Mangilli; J., Aumont; J-Ph, Bernard; A., Buzzelli; G., de Gasperis; J. B., Durrive; K., Ferriere; G., Foenard; A., Hughes; A., Lacourt (ASTRONOMY & ASTROPHYSICS, 2019-09-23)
    We present the first far infrared (FIR) dust emission polarization map covering the full extent of Milky Way’s central molecular zone (CMZ). The data, obtained with the PILOT balloon-borne experiment, covers the Galactic ...
  • Giant Tortoise Coordinate 
    Good, Michael R. R.; Myrzakul, Aizhan; Yelshibekov, Khalykbek; Ong, Yen Chin (Nazarbayev University School of Sciences and Humanities, 2018-01-24)
    The giant tortoise coordinate is a moving mirror inspired generalization of the ReggeWheeler counterpart that demonstrates a unitary evaporating black hole emitting a total finite energy.
  • Ground and excited S-1 states of the beryllium atom 
    Hornyak, Istvan; Adamowicz, Ludwik; Bubin, Sergiy (American Physical Society, 2019-09-04)
    Benchmark calculations of the total and transition energies of the four lowest S-1 states of the beryllium atom are performed. The computational approach is based on variational calculations with finite mass of the nucleus. ...
  • Ground and excited S-1 states of the beryllium atom 
    Hornyak, Istvan; Adamowicz, Ludwik; Bubin, Sergiy (American Physical Society, 2019-09-04)
    Benchmark calculations of the total and transition energies of the four lowest S1 states of the beryllium atom are performed. The computational approach is based on variational calculations with finite mass of the nucleus. ...
  • HAMILTONIAN FORMULATION OF DUST CLOUD COLLAPSE 
    Kwidzinski, Nick; Malafarina, Daniele; Ostrowski, Jan J.; Piechocki, Włodzimierz; Schmitz, Tim (arxiv, 2020-04)
    We consider the gravitational collapse of a self-gravitating spherical dust cloud in the Hamiltonian formalism. We address both homogeneous and inhomogeneous cases. Our novel derivation of the Hamiltonian of the system ...
  • Horizon-T experiment and detection of Extensive air showers with unusual structure 
    Beznosko, Dmitriy; Beisembaev, R. U.; Baigarin, Kanat; Batyrkhanov, Ayan; Beisembaeva, Elena; Beremkulov, Т.; Dalkarov, O.D.; Iakovlev, Alexander; Ryabov, Vladimir; Suleimenov, N. S.; Sadykov, Turlan; Tagay, Zhenisbek; Uakhitov, T.; Vildanova, M. I.; Zhukov, V. V. (IOP Publishing, 2020-01-01)
    Horizon-T is an innovative detector system constructed to study temporary structure of Extensive Air Showers (EAS) in the energy range above ~1016 eV coming from a wide range of zenith angles (up to 80°). The system, located ...
  • Horizon-T Experiment Upgrade and Calibration of New Detection Points 
    Beznosko, Dmitriy; Beremkulov, Т.; Iakovlev, A.; Jakupov, S; Turganov, D.; Tussipzhan, A; Uakhitov, T.; Vildanova, M.I.; Yeltokov, A; Zhukov, V.V. (Nazarbayev University School of Sciences and Humanities, 2019-06-12)
    In March of 2018, after the completion of the Physics Run 2, an upgrade has been installed at an innovative detector system Horizon-T, with the upgraded version now called Horizon-10T. It was constructed to study Extensive ...
  • THE IMPACT OF PROGENITOR ASYMMETRIES ON THE NEUTRINO-DRIVEN CONVECTION IN CORE-COLLAPSE SUPERNOVAE 
    Kazeroni, R´emi; Abdikamalov, Ernazar (arxiv, 2020)
    The explosion of massive stars in core-collapse supernovae may be aided by the con vective instabilities that develop in their innermost nuclear burning shells. The re sulting fluctuations support the explosion by generating ...
  • IMPRINT OF PRESSURE ON CHARACTERISTIC DARK MATTER PROFILES: THE CASE OF ESO0140040 
    Boshkayev, Kuantay; Konysbayev, Talgar; Kurmanov, Ergali; Luongo, Orlando; Muccino, Marco (MDPI, 2020-10-22)
    We investigate the dark matter distribution in the spiral galaxy ESO0140040, employing the most widely used density profiles: the pseudo-isothermal, exponential sphere, Burkert, Navarro-Frenk-White, Moore and Einasto ...
  • INFLUENCE OF NEUTRON IRRADIATION AND AGEING ON BEHAVIOR OF SAV-1 REACTOR ALLOY 
    Tsay, K.V.; Rofman, O.V.; Kudryashov, V.V.; Yarovchuk, A.V.; Maksimkin, O.P. (Nuclear Engineering and Technology, 2021-10)
    This study observed the effect of neutron irradiation and ageing on the microstructure, hardness, and corrosion resistance of SAV-1 (Al–Mg–Si) alloy. The investigated material was irradiated with neutrons to fluences of ...

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