Химические науки список научных статей
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FORC-INVESTIGATION OF MAGNETIC PROPERTIES OF NI NANOWIRE ARRAYS SYNTHESIZED USING AL2O3 TEMPLATES WITH DIFFERENT ORDER OF PORES
This paper focuses on the investigation of magnetic properties of Ni nanowire arrays synthesized using Al2O3 porous templates with different durations of first anodization. It has been shown that the diameter of the pores in the template is increasing with an increase in the first anodization time...
2022 / Sobirov M.I., Samardak A.Yu., Potapova S.R., Karibov M.B., Rogachev K.A., Ognev A.V., Samardak A.S.WOSScopusВАК -
EFFECT OF THICKNESS AND ANNEALING OF THE SI(001)2×1-CU WETTING LAYER ON THE MORPHOLOGY OF LAYERED NANOFILMS BASED ON FE, CO, AND CU AND THEIR FERROMAGNETIC PROPERTIES
Layered nanofilms based on Fe, Co, and Cu were grown on Si(001)2×1-Cu wetting layers with thicknesses of 1 and 2 ML and studied using the AES, EELS, and LEED methods in an ultrahigh vacuum chamber. After unloading into air, the samples were studied by AFM and MOKE methods. It was found that an...
2022 / Plyusnin N.I., Usachev P.A., Pavlov V.V.WOSScopusВАК -
EFFECT OF THERMAL ANNEALING ON GRAIN SIZE AND PHASE CHANGES IN MAGNETRON TITANIUM OXIDE FILMS
Thin TiO2 films were produced on single-crystal Si-wafers by magnetron sputtering. Subsequently, they were annealed in air at different temperatures. We researched the structure, the phase composition, the morphology, and the dimensional characteristics of the films before and after annealing using ...
2022 / Chekadanov A.S., Pugachevskii M.A., Aung Hein H.K., Kuzmenko A.P., Storozhenko A.M.WOSScopusВАК -
INFLUENCE OF HALLOYSITE NANOTUBE INCORPORATION ON THE PROPERTIES OF PEO-COATINGS FORMED ON MA8 MAGNESIUM ALLOY
The properties of the coatings formed on the MA8 magnesium alloy by plasma electrolytic oxidation in electrolytes containing halloysite nanotubes in the concentrations of 0, 10, 20, 30 and 40 g/l were investigated. It has been found that the presence of halloysite nanotubes in the composition of...
2022 / Imshinetskiy I.M., Kashepa V.V., Nadaraia K.V., Mashtalyar D.V., Sinebryukhov S.L., Gnedenkov S.V.WOSScopusВАК -
COMPOSITE TRIAZOLE-CONTAINING PEO-COATINGS FOR EFFECTIVE CORROSION PROTECTION OF ALMG3 ALUMINUM ALLOY
The study considers composite coatings formed on the AlMg3 aluminum alloy, consisting of PEO-coatings impregnated with corrosion inhibitors, 1,2,4-triazole and benzotriazole, in various concentrations. The morphology and composition of the resulting coatings were studied by scanning electron...
2022 / Kononenko Ya.I., Gnedenkov A.S., Sinebryukhov S.L., Filonina V.S., Vyaliy I.E., Gnedenkov S.V.WOSScopusВАК -
PREPARATION OF LAYERED DOUBLE HYDROXIDE ON PEO-COATED MA8 MAGNESIUM ALLOY: ELECTROCHEMICAL AND CORROSION PROPERTIES
The coating containing a layered double hydroxide (LDH) was obtained on the MA8 magnesium alloy. The coating morphology, its electrochemical and corrosion behavior were studied. Scanning electron microscopy confirmed the lamellar structure of the LDH. Maps of the element distribution on the surface ...
2022 / Nomerovskii A.D., Gnedenkov A.S., Sinebryukhov S.L., Gnedenkov S.V.WOSScopusВАК -
ANTI-ICING COMPOSITE FLUOROPOLYMER COATINGS ON TITANIUM
Developing anti-icing coatings is an important topic for many scientists. In this work, we describe composite coatings prepared by a combination of plasma electrolytic oxidation and deposition of polytetrafluoroethylene from suspension. The composite layers obtained had high strength and adhesion...
2022 / Belov E.A., Nadaraia K.V., Mashtalar D.V., Sinebryukhov S.L., Gnedenkov S.V.WOSScopusВАК -
INFLUENCE OF SPTFE ON CORROSION BEHAVIOR OF COMPOSITE COATINGS DURING SALT-SPRAY TEST
Plasma electrolytic oxidation has been used to create a sublayer on aluminum alloy to form a composite coating to improve the corrosion properties of the processed material. The evolution of protective characteristics of the resulting coatings were examined by potentiodynamic polarization during...
2022 / Izotov N.V., Egorkin V.S., Kharchenko U.V., Vyaliy I.E., Minaev A.N., Sinebryukhov S.L., Gnedenkov S.V.WOSScopusВАК -
COMPOSITION AND MORPHOLOGY OF CALCIUM PHOSPHATE COATINGS FORMED ON RESORBABLE SUBSTRATES BASED ON PURE MG AND MG-HAP COMPOSITE
We considered coatings obtained on a magnesium based substrate with a different content of a bioactive component, nanosized hydroxyapatite (HAp). The properties of coatings formed by plasma electrolytic oxidation (PEO) in electrolytes containing calcium compounds were compared. Coatings obtained in ...
2022 / Sidorova M.V., Podgorbunsky A.B., Gerasimenko M.S., Sinebryukhov S.L., Gnedenkov S.V.WOSScopusВАК -
INVESTIGATION OF CHANGES IN THE COMPOSITION OF ANODIC TIO2 NANOTUBES AT DIFFERENT STAGES OF FORMATION BY AES AND TOF SIMS METHODS
The article presents comprehensive studies of the chemical composition and morphology of nanotubular anodic TiO2 layers at the first stages of the porous structure nucleation, by scanning electron microscopy (SEM), Auger spectroscopy (AES), time-of-flight secondary ion mass spectrometry (TOF.SIMS). ...
2022 / Dronova D.A., Gavrilov S.A., Dronov A.A.WOSScopusВАК -
EFFECT OF THERMAL ANNEALING ON THE COMPOSITION OF GE-CO NANOSTRUCTURE OBTAINED BY ELECTROCHEMICAL DEPOSITION
Сobalt-based catalysts are one of the possible candidates for catalysts that accelerate the decomposition of water to produce energy. In this work, the one-dimension GeCo nanostructures have been prepared by electrochemical deposition in a three-electrode cell. The samples have been annealed in...
2022 / Martynova I.K., Gavrilin I.M.WOSScopusВАК -
EVOLUTION OF TRIBOLOGICAL PROPERTIES OF THE COMPOSITE COATINGS ON AMG3 ALUMINUM ALLOY DURING THE ATMOSPHERIC EXPOSURE
The paper presents the results of an evaluation of the tribological characteristics of samples with composite coatings during 12 months of atmospheric corrosion. Composite coatings were obtained by treating oxide layer formed by plasma electrolytic oxidation (PEO) with fluoropolymers:...
2022 / Vyaliy I.E., Egorkin V.S., Izotov N.V., Kharchenko U.V., Minaev A.N., Sinebryukhov S.L., Gnedenkov S.V.WOSScopusВАК -
CHANGES IN BARRIER PROPERTIES OF PROTECTIVE COMPOSITE COATINGS ON ALUMINUM ALLOY DURING CLIMATIC TESTING
The paper reveals the changes in corrosion properties of the samples with composite coating subjected to atmospheric corrosion test for 6 months. Composite coating (CC) was formed by treatment of oxide layer obtained by plasma electrolytic oxidation (PEO) with suspension of superdispersed...
2022 / Vyaliy I.E., Egorkin V.S., Izotov N.V., Kharchenko U.V., Minaev A.N., Sinebryukhov S.L., Gnedenkov S.V.WOSScopusВАК -
NATURAL ZEOLITE CLINOPTILOLITE AS ADSORBENT FOR CLEANING WATERS FROM ARSENIC IONS
The article presents the results of researches the adsorption of As (III) in cationic (As3+) and in anionic (AsO33) forms from water solutions on different adsorbents, obtained from natural zeolite Clinoptilolite (CL) of deposits of Georgia. The influence of various parameters such as effect of pH, ...
2023 / Janashvili N., Akhalbedashvili L. -
ХАРАКТЕР ВЗАИМОДЕЙСТВИЯ В СИСТЕМЕ SB2TE3-GASB4SE6TE
Для выяснения характера взаимодействия в системе были проведены физико-химические анализы (ДТА, РФА, МСА, а также измерение микротвердости и определение плотности) и построена Т-х фазовая диаграмма системы Sb2Te3-GaSb4Se6Te. Диаграмма состояния системы квазибинарная, эвтектического типа, с...
2023 / Мамедова Н.А., Алиев И.И., Гасанов А.А., Ахмедова Дж.А., Шахбазов М.Г. -
СИНТЕЗ И ИССЛЕДОВАНИЕ ФУНКЦИОНАЛЬНЫХ СВОЙСТВ НЕКОТОРЫХ ПРЕДСТАВИТЕЛЕЙ 3-ФЕНОКСИЗАМЕЩЕННЫХ ТИЕТАНОВ
Данная статья посвящена к синтеу и применению различных 3-феноксизамещенных производных тиетанов - чтырехчленных серусодержащих гетероциклических соединений и применение их в качестве присадок к смазочным маслам. Продолжая поиски в области синтеза новых серусодержащих присадок к смазочным маслам, в ...
2023 / Акперов Н.А., Мамедов О.И. -
ХИМИЧЕСКОЕ ВЗАИМОДЕЙСТВИЕ В СИСТЕМЕ GASE-SRSE
Методами ДТА, РФА, МСА, а также путем измерения микротвердости и определения плотности исследован характер взаимодействия в системе GaSe-SrSe и построена ее Т-Х фазовая диаграмма. Установлено, что система GaSe-SrSe является квазибинарным сечением тройной системы Sr-Ga-Se. Была получена...
2022 / Ягубов Н.И., Султанова А.Н. -
ОСОБЕННОСТИ КОНДЕНСАЦИИ 2-ХЛОРПИРИДИНА С ТИОМОЧЕВИНОЙ. СТРОЕНИЕ ОБРАЗУЮЩИХСЯ ПРОДУКТОВ И ИХ ВЛИЯНИЕ НА СВОЙСТВА ПОКРЫТИЙ ПРИ ЭЛЕКТРОХИМИЧЕСКОМ НИКЕЛИРОВАНИИ
Регулирование скорости подачи 2-хлорпиридина в раствор тиомочевины в этиловом спирте для обеспечения низкой концентрации добавляемого реагента в зоне реакции позволило синтезировать и спектрально охарактеризовать 2-пиридилизотиуроний хлорид. По данным спектроскопии ЯМР (1H,13C,15N) полученное...
2022 / Грабельных В.А., Богданова И.Н., Сосновская Н.Г., Истомина Н.В., Руссавская Н.В., Кондрашов Е.В., Бутрик Р.В., Корчевин Н.А., Розенцвейг И.Б.ВАК -
ПОЛУЧЕНИЕ, ТЕРМИЧЕСКИЕ И ДИЭЛЕКТРИЧЕСКИЕ ХАРАКТЕРИСТИКИ RB5LI1/3ZR5/3(MOO4)6
Цель работы состояла в направленном синтезе новой фазы Rb5Li1/3Zr5/3(MoO4)6 и определении ее кристаллографических, термических и электрофизических свойств. Методом твердофазной реакции проведен направленный синтез фазы Rb5Li1/3Zr5/3(MoO4)6 в диапазоне температур 350-470 °С. Установлено, что...
2022 / Доржиева С.Г., Базарова Ж.Г.ВАК -
ҚҰРАМЫНДА МЫС БАР ҚАЛДЫҚТАРДЫ ЦЕМЕНТТЕУ ПРОЦЕСТЕРІН ЗЕРТТЕУ
Қазіргі уақытта тау-кен байыту комбинаттарында түсті металдардың сульфидті кендерін қайта өңдеуден көптеген пириттік байыту қалдықтары жинақталған. Мыс пен басқа металдарды алу үшін оларды қайта өңдеу үлкен практикалық қызығушылық тудырады.Мақалада құрамында мыс бар қалдықтарды цементтеу арқылы...
2022 / Абсолямова Д. Р., Тусіпбекова М. Ж., Дейграф И. Э., Кенжебекова А. Е.