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Articles
Recent Submissions
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Almas, Nurlan; Kurbanova, Bayan; Zhakiyev, Nurkhat; Rakhadilov, Baurzhan; Sagdoldina, Zhuldyz; Andybayeva, Gaukhar; Serik, Nurzhan; Alsar, Zhanna; Utegulov, Zhandos; Insepov, Zinetula
(Polymers, 2022)
In this study, the mechano-chemical properties of aromatic polymer polyetheretherketone
(PEEK) samples, irradiated by high energy electrons at 200 and 400 kGy doses, were investigated
by Nanoindentation, Brillouin light ...
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Sekerbayev, Kairolla; Taurbayev, Yerzhan; Mussabek, Gauhar; Baktygerey, Saule; Pokryshkin, Nikolay S.; Yakunin, Valery G.; Utegulov, Zhandos; Timoshenko, Victor Yu.
(Nanomaterials, 2022)
Anti-Stokes photoluminescence (ASPL), which is an up-conversion phonon-assisted process
of the radiative recombination of photoexcited charge carriers, was investigated in methylammonium
lead bromide (MALB) perovskite ...
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Abduvalov, Alshyn; Kaikanov, Marat; Atabaev, Timur Sh.; Tikhonov, Alexander
(Nanomaterials, 2022)
The photoelectrochemical (PEC) activity of metal oxide photoelectrodes for water-splitting
applications can be boosted in several different ways. In this study, we showed that PEC activity can
be significantly improved ...
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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 ...
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Schopp, Nora; Brus, Viktor V.
(Energies, 2022)
In this review, the current state of materials science and the device physics of semitransparent organic solar cells is summarized. Relevant synthetic strategies to narrow the band gap of organic semiconducting molecules ...
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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 ...
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Malafarina, Daniele; Toshmatov, Bobir
(PHYSICAL REVIEW D, 2022)
There exists a correspondence between black holes in nonlinear electrodynamics (NLED) and gravitational collapse of homogeneous dust with semiclassical corrections in the strong curvature regime that to our knowledge has ...
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Fernández-Silvestre, Diego; Good, Michael R R; Linder, Eric V
(Classical and Quantum Gravity, 2022)
Quantum particle creation from spacetime horizons, or accelerating boundaries
in the dynamical Casimir effect, can have an equilibrium, or thermal, distribution. Using an accelerating boundary in flat spacetime (moving ...
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Good, Michael R R; Linder, Eric V
(Classical and Quantum Gravity, 2022)
An accelerating boundary (mirror) acts as a horizon and black hole analog, radiating energy with some particle spectrum. We demonstrate that a Möbius transformation on the null coordinate advanced time mirror trajectory ...
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Vollbrecht, Joachim; Tokmoldin, Nurlan; Sun, Bowen; Brus, Viktor V.; Shoaee, Safa; Neher, Dieter
(Journal of Applied Physics, 2022)
The increase in the performance of organic solar cells observed over the past few years has reinvigorated the search for a deeper understanding of the loss and extraction processes in this class of device. A detailed ...
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Dzhumagulova, Karlygash N.; Shalenov, Erik O.; Tashkenbayev, Yerkhan A.; Ramazanov, Tlekkabyl S.
(Journal of Plasma Physics, 2022)
We present the effective optical potential of the interaction of an electron with an atom in
dense semiclassical plasma of noble gases. This potential takes into account the collective
screening effect and the quantum ...
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Alina, Dana; Shomanov, Adai; Baimukhametova, Sarah
(IEEE Access, 2022-07-22)
Filament identification became a pivotal step in tackling fundamental problems in various
fields of Astronomy. Nevertheless, existing filament identification algorithms are critically user-dependent and require individual ...
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Chakrabarty, Hrishikesh; Borah, Debasish; Abdujabbarov, Ahmadjon; Malafarina, Daniele; Ahmedov, Bobomurat
(The European Physical Journal C, 2022)
We study the effects of gravitational lensing on neutrino oscillations in the γ-spacetime which describes a static, axially-symmetric and asymptotically flat solution of the Einstein’s field equations in vacuum. Using the ...
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Myrzakul, Aizhan; Xiong, Chi; Good, Michael R R
(Entropy, 2021)
The Callan-Giddings-Harvey-Strominger black hole has a spectrum and temperature that correspond to an accelerated reflecting boundary condition in flat spacetime. The beta coefficients are identical to a moving mirror ...
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Samarkhanov, K.; Khasenov, M.; Batyrbekov, E.; Gordienko, Yu.; Baklanova, Yu.; Kenzhina, I.; Tulubayev, Ye.; Karambayeva, I.
(EURASIAN CHEMICO-TECHNOLOGICAL JOURNAL, 2021-08-30)
The present paper examines the luminescence of ternary Ar-Kr-Xe and Ne-Ar-Kr mixtures of noble gases in the spectral range from 300 to 970 nm, excited by the 6Li(n,α)3H nuclear reaction products in the core of a nuclear ...
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Alina, D.; Montillaud, J.; Hu, Y.; Lazarian, A.; Ristorcelli, I.; Abdikamalov, E.; Sagynbayeva, S.; Juvela, M.; Liu, T.; Carrière, J.-S.
(Astronomy & Astrophysics manuscript, 2021)
Context. The role of large-scale magnetic fields in the evolution of star forming regions remains elusive. Its understanding requires
observational characterisation of well-constrained molecular clouds. The Monoceros OB1 ...
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Boshkayev, Kuantay; Giamb`o, Roberto; Konysbayev, Talgar; Kurmanov, Ergali; Luongo, Orlando; Malafarina, Daniele; Quevedo, Hernando
(The Astrophysical Journal, 2021)
We investigate the luminosity of the accretion disk for a static black hole surrounded by dark
matter with anisotropic pressure. We calculate all basic orbital parameters of test particles in the
accretion disk, such as ...
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Ikramova, Saltanat B.; Utegulov, Zhandos N.; Dikhanbayev, Kadyrjan K.; Gaipov, Abduzhappar E.; Nemkayeva, Renata R.; Yakunin, Valery G.; Savinov, Vladimir P.; Timoshenko, Victor Yu
(International Journal of Molecular Sciences, 2022-02-26)
Silicon nanowires (SiNWs) prepared by metal-assisted chemical etching of crystalline
silicon wafers followed by deposition of plasmonic gold (Au) nanoparticles (NPs) were explored
as templates for surface-enhanced Raman ...
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Good, Michael R.R.; Linder, Eric V.
(arxiv, 2021)
The Equivalence Principle teaches us that gravitation,
acceleration, and curvature are equivalent. Moreover we
know that external effects on quantum fields creates par ticles, and this ties together black hole particle ...
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Valagiannopoulos, Constantinos
(arxiv, 2021)
Nanotubes with proper thickness, size
and texture make ultra-efficient sinks for
the quantum particles traveling into spe cific background media. Several optimal
semiconducting cylindrical layers are re ported to achieve ...
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