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Materials Science: Недавние поступления

Отображаемые элементы 141-160 из 334

MECHANISM OF FORMATION WATER MOLECULES AND CHEMICAL BONDS IN LEPTOTHRIX MATERIALS

Mirzayeva, D.M.; Aghayeva, S.A.; Kaplina, S.P.; Slavov, L.; Gustova, M.V.; Tiep, N.V.; Tuan, P.L.; Maletskii, A.V.; Doroshkevich, A.S.; Thabethe, T.T.; Hasanov, K.M.; Kostov, L.K.; Mauyey, B. (Advanced Physical Research, 2024)

The provided study involves investigating chemical interactions in Leptothrix biomaterial through infrared spectroscopy. The analysis explores variations in chemical relationships based on the nature of chemical bonds ...
MECHANISM OF FORMATION OF INTERNAL AND SURFACE DEFECTS IN CASTING AND THEIR TRANSFORMATION INTO SURFACE DEFECTS OF SHEET

Ibraev, I.K.; Ibraeva, O.T.; Zhakupov, T.M. (EURASIAN PHYSICAL TECHNICAL JOURNAL, 2024)

This study aimed to elucidate the formation mechanisms of micro-macrostructural heterogeneities in the ingot's cortical zone and their transformation into surface defects during heating, plastic deformation, and rolling ...
Measuring the yields and angular distributions of γ - quanta from the interaction between 14.1 MeV neutrons and sodium nuclei

Dabylova, S.B.; Kopatch, Yu.N.; Fedorov, N.A.; Grozdanov, D.N.; Ruskov, I.N.; Skoy, V.R.; Hramco, K.; Tretyakova, T.Yu.; Sakhiyev, S.K.; Marzhokhov, R.B.; Bogolyubov, E.P.; Zverev, V.I.; Barmakov, Yu.N. (Eurasian Journal of Physics and Functional Materials, 2021)
Main directions of “Smart city” development in the republic of Kazakhstan

Shalbolova, Urpash; Kenzhegaliyeva, Zita (MATEC Web of Conferences, 2018)

The article focuses on paramount targets for developing “smart” cities in the Republic of Kazakhstan. The conducted studies substantiate the effectiveness of reforms in the housing and utilities sector of Kazakhstan ...
Magnetic Properties of the Densely Packed Ultra-Long Ni Nanowires Encapsulated in Alumina Membrane

Tishkevich, Daria; Vorobjova, Alla; Shimanovich, Dmitry; Kaniukov, Egor; Kozlovskiy, Artem; Zdorovets, Maxim; Vinnik, Denis; Turutin, Andrei; Kubasov, Ilya; Kislyuk, Alexander; Dong, Mengge; Sayyed, M. I.; Zubar, Tatiana; Trukhanov, Alex (Nanomaterials, 2021)
Magnetic anisotropy and stability of Fe3Ga compounds

Inerbaev, T.M.; Abuova, A.U.; Dauletbekova, A.K.; Abuova, F.U.; Kaptagay, G.A.; Zakieva, Zh.; Eltizarova, M.; Barakov, A. (Eurasian Journal of Physics and Functional Materials, 2021)

The magnetic anisotropy energy and the stability of crystal modifications of D03 and L21 of Fe3Ga compounds are studied with the density functional theory methods. The magnetic anisotropy energy of the D03 structure is ...
Luminescence spectra of YAG:Ce phosphors synthesized in a field of radiation

Alpyssova, G; Mussakhanov, D; Karipbayev, Zh; Grechkina, T; Zheng, Shiming; Kukenova, A (IOP Conference Series: Materials Science and Engineering, 2020)

The paper presents the measurement results of the luminescence band shape for YAG phosphors upon photoexcitation. It is shown that the position and FWHM does not depend on the excitation technique, but it depends on ...
Luminescence Properties of ZrO2: Ti Ceramics Irradiated with Electrons and High-Energy Xe Ions

Dauletbekova, Alma; Zvonarev, Sergey; Nikiforov, Sergey; Akilbekov, Abdirash; Shtang, Tatiana; Abdik, Natalia; Baymukhanov, Zein; Aralbayeva, Gulnara; Baubekova, Guldar; Popov, Anatoli I. (Materials, 2024)
LUMINESCENCE OF CERIUM DOPED YTTRIUM ALUMINUM GARNET CERAMICS SYNTHESIZED IN THE FIELD OF RADIATION FLUX

Alpyssova, G.K.; Lisitsyn, V.M.; Karipbayev, Zh.T.; Golkovski, M.G. (Eurasian Physical Technical Journal, 2021)

The paper presents the results of ceramic samples’ dependence of luminescent properties on their position in the crucible during irradiation. For the synthesis, a blend of powders of aluminum oxide, yttrium oxide and ...
Luminescence and Electron–Hole-Trapping Centers in α-Ca2P2O7−Mn

Nurakhmetov, Turlybek N.; Alibay, Temirulan T.; Zhangylyssov, Keleshek B.; Nurpeissov, Aibek S.; Pazylbek, Sapargali; Griesiute, Diana; Zarkov, Aleksej; Kareiva, Aivaras (Crystals, 2024)
Luminescence and creation of electron-hole trapping centers in alkali metal sulfates activated by Pb2+ impurity

Nurakhmetov, T. N.; Shamieva, R. K.; Salikhodzha, Zh. M.; Temirkulova, N. I.; Alibay, T. T.; Sadykova, B. M.; Yussupbekova, B. N.; Kabdulkak, A. A. (Eurasian Journal of Physics and Functional Materials, 2024)

The nature of the impurity emission and the process of creating intrinsic and impurity electron-hole trapping centers were studied by spectroscopic and thermal activation methods in Na2SO4 - Pb and K2SO4 - Pb phosphors. ...
LLM-Powered Natural Language Text Processing for Ontology Enrichment

Mukanova, Assel; Milosz, Marek; Dauletkaliyeva, Assem; Nazyrova, Aizhan; Yelibayeva, Gaziza; Kuzin, Dmitrii; Kussepova, Lazzat (Applied Sciences, 2024)

This paper describes a method and technology for processing natural language texts and extracting data from the text that correspond to the semantics of an ontological model. The proposed method is distinguished by the ...
Latent tracks of swift Bi ions in Si3 N4

Vuuren, A Janse van; R A Rymzhanov, A Ibrayeva2,3 ,; Zhalmagambetova, A; Connell, JHO; Skuratov, V A; Uglov, V V; Zlotski, S V; Volkov, A E; Zdorovets, M (Materials Research Express, 2020)

Parameters such as track diameter and microstruture of latent tracks in polycrystalline Si3N4 induced by 710 MeV Bi ions were studied using TEM and XRD techniques, and MD simulation. Experimental results are considered ...
Magnetic Field Driven Electron Dynamics in Graphene

Fatima; Inerbaev, Talgat; Xia, Wenjie; Kilin, Dmitri S. (Journal of Physical Chemistry Letters, 2021)

Graphene exhibits unique optoelectronic properties originating from the band structure at the Dirac points. It is an ideal model structure to study the electronic and optical properties under the influence of the applied ...
Spinor Dynamics in Pristine and Mn2+ Doped CsPbBr3 NC: Role of Spin-Orbit Coupling in Ground and Excited State Dynamics

Forde, Aaron; Inerbaev, Talgat; Kilin, Dmitri (Journal of Physical Chemistry C, 2018)

Fully inorganic lead halide perovskite nanocrystals (NCs) are of interest for optoelectronic and light-emitting devices because of their photoluminescence (PL) emission properties, which can be tuned/optimized by (I) surface ...
Role of Lead Vacancies for Optoelectronic Properties of Lead-Halide Perovskites

Vogel, Dayton J.; Inerbaev, Talgat M.; Kilina, Dmitri S. (Journal of Physical Chemistry C, 2018)

Methylammonium lead iodide perovskite materials have been shown to be efficient in photovoltaic devices. The current fabrication process has not been perfected, leaving defects such as site vacancies, which can trap charge ...
Insight into Perovskite Solar Cell Formation for Various Organohalides Perovskite Precursors in the Presence of Water at the Molecular Level

Zhantuarov, Sultan; Kemelbekova, Ainagul; Shongalova, Aigul; Aimaganbetov, Kazybek; Sailau, Zhassulan; Aldongarov, Anuar; Serikkanov, Abay; Chuchvaga, Nikolay; Almas, Nurlan (Hindawi Journal of Nanomaterials, 2023)
Micromechanical Properties of Gd3Ga5O12 Crystals Irradiated with Swift Heavy Ions

Aralbayeva, G.M.; Manika, I.; Karipbayev, Zh.; Suchikova, Y.; Kovachov, S.; Sugak, D.; Popov, A.I. (JOURNAL OF NANO- AND ELECTRONIC PHYSICS, 2023)

This study investigated the optical absorption and mechanical behavior of Gd3Ga5O12 (GGG) single crystals exposed to fast 84 Kr ions at fluences ranging from 1013 to 1014 ion/cm2. We observed that the optical absorption ...
ITO Thin Films for Low-Resistance Gas Sensors

Almaev, Aleksei V.; Kopyev, Viktor V.; Novikov, Vadim A.; Chikiryaka, Andrei V.; Yakovlev, Nikita N.; Usseinov, Abay B.; Karipbayev, Zhakyp T.; Akilbekov, Abdirash T.; Koishybayeva, Zhanymgul K.; Popov, Anatoli I. (Materials, 2023)
Ion-Track Template Synthesis and Characterization of ZnSeO3 Nanocrystals

Dauletbekova, Alma; Akylbekova, Aiman; Sarsekhan, Gulnaz; Usseinov, Abay; Baimukhanov, Zein; Kozlovskiy, Artem; Vlasukova, Liudmila A.; Komarov, Fadey F.; Popov, Anatoli I; Akilbekov, Abdirash T. (Crystals, 2022)

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