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Kim IY, Kim JW, Lee BJ, Lim JH. Fabrication and Characteristics of a Conductive FeCo@Au Nanowire Alloy for Semiconductor Test Socket Connectors. MATERIALS (BASEL, SWITZERLAND) 2022; 16:381. [PMID: 36614721 PMCID: PMC9821946 DOI: 10.3390/ma16010381] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/06/2022] [Revised: 12/26/2022] [Accepted: 12/28/2022] [Indexed: 06/17/2023]
Abstract
The most promising approach for improving the electrical performance of connectors used in semiconductor test sockets involves increasing their electrical conductivity by incorporating one-dimensional (1D) conductive materials between zero-dimensional (0D) conductive materials. In this study, FeCo nanowires were synthesized by electroplating to prepare a material in which 1D materials could be magnetically aligned. Moreover, the nanowires were coated with highly conductive Au. The magnetization per unit mass of the synthesized FeCo and FeCo@Au nanowires was 167.2 and 13.9 emu/g, respectively. The electrical performance of rubber-based semiconductor connectors before and after the introduction of synthetic nanowires was compared, and it was found that the resistance decreased by 14%. The findings reported herein can be exploited to improve the conductivity of rubber-type semiconductor connectors, thereby facilitating the development of connectors using 0D and 1D materials.
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Affiliation(s)
- In Yea Kim
- Department of Materials Science and Engineering, Gachon University, 1342 Seongnamdearo 13120, Republic of Korea
| | - Jong Won Kim
- ISC Co., Ltd., 215 Galmachi-ro, Jungwon-gu, Seongnam-si 13217, Gyeonggi-do, Republic of Korea
| | - Byeung Ju Lee
- ISC Co., Ltd., 215 Galmachi-ro, Jungwon-gu, Seongnam-si 13217, Gyeonggi-do, Republic of Korea
| | - Jae-Hong Lim
- Department of Materials Science and Engineering, Gachon University, 1342 Seongnamdearo 13120, Republic of Korea
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Kirshanov K, Toms R, Aliev G, Naumova A, Melnikov P, Gervald A. Recent Developments and Perspectives of Recycled Poly(ethylene terephthalate)-Based Membranes: A Review. MEMBRANES 2022; 12:membranes12111105. [PMID: 36363660 PMCID: PMC9699556 DOI: 10.3390/membranes12111105] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/29/2022] [Revised: 10/29/2022] [Accepted: 11/03/2022] [Indexed: 06/01/2023]
Abstract
Post-consumer poly(ethylene terephthalate) (PET) waste disposal is an important task of modern industry, and the development of new PET-based value added products and methods for their production is one of the ways to solve it. Membranes for various purposes, in this regard are such products. The aim of the review, on the one hand, is to systematize the known methods of processing PET and copolyesters, highlighting their advantages and disadvantages and, on the other hand, to show what valuable membrane products could be obtained, and in what areas of the economy they can be used. Among the various approaches to the processing of PET waste, we single out chemical methods as having the greatest promise. They are divided into two large categories: (1) aimed at obtaining polyethylene terephthalate, similar in properties to the primary one, and (2) aimed at obtaining copolyesters. It is shown that among the former, glycolysis has the greatest potential, and among the latter, destruction followed by copolycondensation and interchain exchange with other polyesters, have the greatest prospects. Next, the key technologies for obtaining membranes, based on polyethylene terephthalate and copolyesters are considered: (1) ion track technology, (2) electrospinning, and (3) non-solvent induced phase separation. The methods for the additional modification of membranes to impart hydrophobicity, hydrophilicity, selective transmission of various substances, and other properties are also given. In each case, examples of the use are considered, including gas purification, water filtration, medical and food industry use, analytical and others. Promising directions for further research are highlighted, both in obtaining recycled PET-based materials, and in post-processing and modification methods.
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Detection of Polynitro Compounds at Low Concentrations by SERS Using Ni@Au Nanotubes. CHEMOSENSORS 2022. [DOI: 10.3390/chemosensors10080306] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
The identification of high-energy compounds in trace concentrations not only in the laboratory, but also in field conditions is of particular interest. The process should be clear, easy, and well-recognizable. We formed SERS-active substrates by using elongated nickel nanotubes synthesized by electrochemical deposition in the pores of ion-track membranes and coated them with gold for further application in the detection of low concentrations of analytes. The substrates were characterized using various techniques to determine the morphology of the nanotubes and modifying gold layer. The possibility of obtaining two types of gold-layer morphology was shown: in the form of a smooth film up to 20–50 nm thick and a coating with nanoneedles up to 250 nm long. The electric fields around the nanotubes were simulated at a laser wavelength of 532 nm to demonstrate the influence of the gold-layer morphology on the field distribution. The “needle” morphology was chosen to form the most effective SERS-active substrates for detection of low concentrations of aromatic polynitro compounds. The spectral peaks were identified by comparing the model and experimental Raman spectra at concentrations down to 10−5 M. Within this limit, all peaks (“fingerprints” of the substance) were clearly distinguishable.
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Hassan M, Sulaiman M, Yuvaraju PD, Galiwango E, Rehman IU, Al-Marzouqi AH, Khaleel A, Mohsin S. Biomimetic PLGA/Strontium-Zinc Nano Hydroxyapatite Composite Scaffolds for Bone Regeneration. J Funct Biomater 2022; 13:jfb13010013. [PMID: 35225976 PMCID: PMC8883951 DOI: 10.3390/jfb13010013] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2021] [Revised: 01/22/2022] [Accepted: 01/24/2022] [Indexed: 02/04/2023] Open
Abstract
Synthetic bone graft substitutes have attracted increasing attention in tissue engineering. This study aimed to fabricate a novel, bioactive, porous scaffold that can be used as a bone substitute. Strontium and zinc doped nano-hydroxyapatite (Sr/Zn n-HAp) were synthesized by a water-based sol-gel technique. Sr/Zn n-HAp and poly (lactide-co-glycolide) (PLGA) were used to fabricate composite scaffolds by supercritical carbon dioxide technique. FTIR, XRD, TEM, SEM, and TGA were used to characterize Sr/Zn n-HAp and the composite scaffolds. The synthesized scaffolds were adequately porous with an average pore size range between 189 to 406 µm. The scaffolds demonstrated bioactive behavior by forming crystals when immersed in the simulated body fluid. The scaffolds after immersing in Tris/HCl buffer increased the pH value of the medium, establishing their favorable biodegradable behavior. ICP-MS study for the scaffolds detected the presence of Sr, Ca, and Zn ions in the SBF within the first week, which would augment osseointegration if implanted in the body. nHAp and their composites (PLGA-nHAp) showed ultimate compressive strength ranging between 0.4–19.8 MPa. A 2.5% Sr/Zn substituted nHAp-PLGA composite showed a compressive behavior resembling that of cancellous bone indicating it as a good candidate for cancellous bone substitute.
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Affiliation(s)
- Mozan Hassan
- Department of Anatomy, College of Medicine and Health Sciences, United Arab Emirates University, Al Ain P.O. Box 15551, United Arab Emirates; (M.H.); (M.S.)
| | - Mohsin Sulaiman
- Department of Anatomy, College of Medicine and Health Sciences, United Arab Emirates University, Al Ain P.O. Box 15551, United Arab Emirates; (M.H.); (M.S.)
| | - Priya Dharshini Yuvaraju
- Department of Pharmacology, College of Medicine and Health Sciences, United Arab Emirates University, Al Ain P.O. Box 15551, United Arab Emirates;
| | - Emmanuel Galiwango
- Department of Chemical and Petroleum Engineering, College of Engineering, United Arab Emirates University, Al Ain P.O. Box 15551, United Arab Emirates; (E.G.); (A.H.A.-M.)
- Energy Systems and Nuclear Science Faculty, Ontario Tech University, Oshawa, ON L1G 8C4, Canada
| | - Ihtesham ur Rehman
- Engineering Department, Faculty of Science and Technology, Lancaster University, Gillow Avenue, Lancaster LA1 4YW, UK;
| | - Ali H. Al-Marzouqi
- Department of Chemical and Petroleum Engineering, College of Engineering, United Arab Emirates University, Al Ain P.O. Box 15551, United Arab Emirates; (E.G.); (A.H.A.-M.)
| | - Abbas Khaleel
- Department of Chemistry, College of Science, United Arab Emirates University, Al Ain P.O. Box 15551, United Arab Emirates;
| | - Sahar Mohsin
- Department of Anatomy, College of Medicine and Health Sciences, United Arab Emirates University, Al Ain P.O. Box 15551, United Arab Emirates; (M.H.); (M.S.)
- Correspondence: ; Tel.: +971-3-713-7516
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Ignatovich Z, Novik K, Abakshonok A, Koroleva E, Beklemisheva A, Panina L, Kaniukov E, Anisovich M, Shumskaya A. One-Step Synthesis of Magnetic Nanocomposite with Embedded Biologically Active Substance. Molecules 2021; 26:937. [PMID: 33578897 PMCID: PMC7916710 DOI: 10.3390/molecules26040937] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2020] [Revised: 02/04/2021] [Accepted: 02/05/2021] [Indexed: 11/16/2022] Open
Abstract
Magnetic nanocomposites based on hydroxyapatite were prepared by a one-step process using the hydrothermal coprecipitation method to sinter iron oxides (Fe3O4 and γ-Fe2O3). The possibility of expanding the proposed technique for the synthesis of magnetic composite with embedded biologically active substance (BAS) of the 2-arylaminopyrimidine group was shown. The composition, morphology, structural features, and magnetic characteristics of the nanocomposites synthesized with and without BAS were studied. The introduction of BAS into the composite synthesis resulted in minor changes in the structural and physical properties. The specificity of the chemical bonds between BAS and the hydroxyapatite-magnetite core was revealed. The kinetics of the BAS release in a solution simulating the stomach environment was studied. The cytotoxicity of (HAP)FexOy and (HAP)FexOy + BAS composites was studied in vitro using the primary culture of human liver carcinoma cells HepG2. The synthesized magnetic composites with BAS have a high potential for use in the biomedical field, for example, as carriers for magnetically controlled drug delivery and materials for bone tissue engineering.
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Affiliation(s)
- Zhanna Ignatovich
- Institute of Chemistry of New Materials, National Academy of Sciences of Belarus, 220141 Minsk, Belarus; (Z.I.); (K.N.); (A.A.); (E.K.); (A.S.)
| | - Khristina Novik
- Institute of Chemistry of New Materials, National Academy of Sciences of Belarus, 220141 Minsk, Belarus; (Z.I.); (K.N.); (A.A.); (E.K.); (A.S.)
| | - Anna Abakshonok
- Institute of Chemistry of New Materials, National Academy of Sciences of Belarus, 220141 Minsk, Belarus; (Z.I.); (K.N.); (A.A.); (E.K.); (A.S.)
| | - Elena Koroleva
- Institute of Chemistry of New Materials, National Academy of Sciences of Belarus, 220141 Minsk, Belarus; (Z.I.); (K.N.); (A.A.); (E.K.); (A.S.)
| | - Anna Beklemisheva
- Department of Technology of Electronics Materials, National University of Science and Technology MISiS, 119049 Moscow, Russia; (A.B.); (L.P.)
| | - Larisa Panina
- Department of Technology of Electronics Materials, National University of Science and Technology MISiS, 119049 Moscow, Russia; (A.B.); (L.P.)
- Institute of Physics, Mathematics & IT, Immanuel Kant Baltic Federal University, 236004 Kaliningrad, Russia
| | - Egor Kaniukov
- Department of Technology of Electronics Materials, National University of Science and Technology MISiS, 119049 Moscow, Russia; (A.B.); (L.P.)
| | - Marina Anisovich
- Republican Unitary Enterprise “Scientific-Practical Centre of Hygiene”, 220012 Minsk, Belarus;
| | - Alena Shumskaya
- Institute of Chemistry of New Materials, National Academy of Sciences of Belarus, 220141 Minsk, Belarus; (Z.I.); (K.N.); (A.A.); (E.K.); (A.S.)
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Russakova AV, Altynbaeva LS, Barsbay M, Zheltov DA, Zdorovets MV, Mashentseva AA. Kinetic and Isotherm Study of As(III) Removal from Aqueous Solution by PET Track-Etched Membranes Loaded with Copper Microtubes. MEMBRANES 2021; 11:116. [PMID: 33562130 PMCID: PMC7914724 DOI: 10.3390/membranes11020116] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/29/2020] [Revised: 01/26/2021] [Accepted: 02/01/2021] [Indexed: 12/15/2022]
Abstract
This paper reports on the synthesis and structure elucidation of track-etched membranes (TeMs) with electrolessly deposited copper microtubes (prepared in etched-only and oxidized polyethylene terephthalate (PET) TeMs), as well as on the comparative testing of arsenic (III) ion removal capacities through bath adsorption experiments. The structure and composition of composites were investigated by X-ray diffraction technique and scanning electron and atomic force microscopies. It was determined that adsorption followed pseudo-second-order kinetics, and the adsorption rate constants were calculated. A comparative study of the applicability of the adsorption models of Langmuir, Freundlich, and Dubinin-Radushkevich was carried out in order to describe the experimental isotherms of the prepared composite TeMs. The constants and parameters of all of the above equations were determined. By comparing the regression coefficients R2, it was shown that the Freundlich model describes the experimental data on the adsorption of arsenic through the studied samples better than others. Free energy of As(III) adsorption on the samples was determined using the Dubinin-Radushkevich isotherm model and was found to be 17.2 and 31.6 kJ/mol for Cu/PET and Cu/Ox_PET samples, respectively. The high EDr value observed for the Cu/Ox_PET composite indicates that the interaction between the adsorbate and the composite is based on chemisorption.
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Affiliation(s)
- Alyona V. Russakova
- The School of Information Technologies and Intelligent Systems, D.Serikbayev East Kazakhstan State Technical University, 070004 Ust-Kamenogorsk, Kazakhstan;
| | - Liliya Sh. Altynbaeva
- The Institute of Nuclear Physics of the Republic of Kazakhstan, 050032 Almaty, Kazakhstan; (L.S.A.); (D.A.Z.); (M.V.Z.)
- Department of Chemistry, L.N. Gumilyov Eurasian National University, 010008 Nur-Sultan, Kazakhstan
| | - Murat Barsbay
- Department of Chemistry, Hacettepe University, 06800 Ankara, Turkey;
| | - Dmitriy A. Zheltov
- The Institute of Nuclear Physics of the Republic of Kazakhstan, 050032 Almaty, Kazakhstan; (L.S.A.); (D.A.Z.); (M.V.Z.)
| | - Maxim V. Zdorovets
- The Institute of Nuclear Physics of the Republic of Kazakhstan, 050032 Almaty, Kazakhstan; (L.S.A.); (D.A.Z.); (M.V.Z.)
- Department of Intelligent Information Technologies, The Ural Federal University, 620002 Yekaterinburg, Russia
- Engineering Profile Laboratory, L.N. Gumilyov Eurasian National University, 010008 Nur-Sultan, Kazakhstan
| | - Anastassiya A. Mashentseva
- The Institute of Nuclear Physics of the Republic of Kazakhstan, 050032 Almaty, Kazakhstan; (L.S.A.); (D.A.Z.); (M.V.Z.)
- Department of Chemistry, L.N. Gumilyov Eurasian National University, 010008 Nur-Sultan, Kazakhstan
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Mashentseva AA, Barsbay M, Zdorovets MV, Zheltov DA, Güven O. Cu/CuO Composite Track-Etched Membranes for Catalytic Decomposition of Nitrophenols and Removal of As(III). NANOMATERIALS (BASEL, SWITZERLAND) 2020; 10:E1552. [PMID: 32784726 PMCID: PMC7466412 DOI: 10.3390/nano10081552] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/02/2020] [Revised: 08/01/2020] [Accepted: 08/05/2020] [Indexed: 11/17/2022]
Abstract
One of the promising applications of nanomaterials is to use them as catalysts and sorbents to remove toxic pollutants such as nitroaromatic compounds and heavy metal ions for environmental protection. This work reports the synthesis of Cu/CuO-deposited composite track-etched membranes through low-temperature annealing and their application in catalysis and sorption. The synthesized Cu/CuO/poly(ethylene terephthalate) (PET) composites presented efficient catalytic activity with high conversion yield in the reduction of nitro aryl compounds to their corresponding amino derivatives. It has been found that increasing the time of annealing raises the ratio of the copper(II) oxide (CuO) tenorite phase in the structure, which leads to a significant increase in the catalytic activity of the composites. The samples presented maximum catalytic activity after 5 h of annealing, where the ratio of CuO phase and the degree of crystallinity were 64.3% and 62.7%, respectively. The catalytic activity of pristine and annealed composites was tested in the reduction of 4-nitroaniline and was shown to remain practically unchanged for five consecutive test cycles. Composites annealed at 140 °C were also tested for their capacity to absorb arsenic(III) ions in cross-flow mode. It was observed that the sorption capacity of composite membranes increased by 48.7% compared to the pristine sample and reached its maximum after 10 h of annealing, then gradually decreased by 24% with further annealing.
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Affiliation(s)
- Anastassiya A. Mashentseva
- The Institute of Nuclear Physics of the Republic of Kazakhstan, Ibragimov str., 1, Almaty 050032, Kazakhstan; (M.V.Z.); (D.A.Z.)
- Engineering Profile Laboratory, L.N. Gumilyov Eurasian National University, Satpaev str., 5, Nur-Sultan 010008, Kazakhstan
| | - Murat Barsbay
- Department of Chemistry, Hacettepe University, 06800 Ankara, Turkey; (M.B.); (O.G.)
| | - Maxim V. Zdorovets
- The Institute of Nuclear Physics of the Republic of Kazakhstan, Ibragimov str., 1, Almaty 050032, Kazakhstan; (M.V.Z.); (D.A.Z.)
- Engineering Profile Laboratory, L.N. Gumilyov Eurasian National University, Satpaev str., 5, Nur-Sultan 010008, Kazakhstan
- Department of Intelligent Information Technologies, Ural Federal University Named after the First President of Russia B. N. Yeltsin, Mira str. 19, 620002 Yekaterinburg, Russia
| | - Dmitriy A. Zheltov
- The Institute of Nuclear Physics of the Republic of Kazakhstan, Ibragimov str., 1, Almaty 050032, Kazakhstan; (M.V.Z.); (D.A.Z.)
| | - Olgun Güven
- Department of Chemistry, Hacettepe University, 06800 Ankara, Turkey; (M.B.); (O.G.)
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Vorobjova A, Tishkevich D, Shimanovich D, Zdorovets M, Kozlovskiy A, Zubar T, Vinnik D, Dong M, Trukhanov S, Trukhanov A, Fedosyuk V. Electrochemical Behaviour of Ti/Al 2O 3/Ni Nanocomposite Material in Artificial Physiological Solution: Prospects for Biomedical Application. NANOMATERIALS (BASEL, SWITZERLAND) 2020; 10:E173. [PMID: 31963901 PMCID: PMC7022230 DOI: 10.3390/nano10010173] [Citation(s) in RCA: 44] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/19/2019] [Revised: 01/11/2020] [Accepted: 01/13/2020] [Indexed: 01/07/2023]
Abstract
Inorganic-based nanoelements such as nanoparticles (nanodots), nanopillars and nanowires, which have at least one dimension of 100 nm or less, have been extensively developed for biomedical applications. Furthermore, their properties can be varied by controlling such parameters as element shape, size, surface functionalization, and mutual interactions. In this study, Ni-alumina nanocomposite material was synthesized by the dc-Ni electrodeposition into a porous anodic alumina template (PAAT). The structural, morphological, and corrosion properties were studied using x-ray diffraction (XRD), scanning electron microscopy (SEM), atomic force microscopy (AFM), and electrochemical techniques (linear sweep voltammetry). Template technology was used to obtain Ni nanopillars (NiNPs) in the PAAT nanocomposite. Low corrosion current densities (order of 0.5 µA/cm2) were indicators of this nanocomposite adequate corrosion resistance in artificial physiological solution (0.9% NaCl). A porous anodic alumina template is barely exposed to corrosion and performs protective functions in the composite. The results may be useful for the development of new nanocomposite materials technologies for a variety of biomedical applications including catalysis and nanoelectrodes for sensing and fuel cells. They are also applicable for various therapeutic purposes including targeting, diagnosis, magnetic hyperthermia, and drug delivery. Therefore, it is an ambitious task to research the corrosion resistance of these magnetic nanostructures in simulated body fluid.
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Affiliation(s)
- Alla Vorobjova
- Department of Micro- and Nanoelectronics, Belarusian State University of Informatics and Radioelectronics, 220013 Minsk, Belarus; (A.V.); (D.S.)
| | - Daria Tishkevich
- Laboratory of Magnetic Films Physics, Scientific-Practical Materials Research Centre of National Academy of Sciences of Belarus, 220072 Minsk, Belarus; (T.Z.); (S.T.); (A.T.); (V.F.)
- Laboratory of Single Crystal Growth, South Ural State University, 454080 Chelyabinsk, Russia;
| | - Dmitriy Shimanovich
- Department of Micro- and Nanoelectronics, Belarusian State University of Informatics and Radioelectronics, 220013 Minsk, Belarus; (A.V.); (D.S.)
| | - Maxim Zdorovets
- The Institute of Nuclear Physics, Almaty 050032, Kazakhstan; (M.Z.); (A.K.)
- L.N. Gumilyov Eurasian National University, Nur-Sultan 010008, Kazakhstan
- Ural Federal University named after the First President of Russia B.N. Yeltsin, 620075 Yekaterinburg, Russia
| | - Artem Kozlovskiy
- The Institute of Nuclear Physics, Almaty 050032, Kazakhstan; (M.Z.); (A.K.)
| | - Tatiana Zubar
- Laboratory of Magnetic Films Physics, Scientific-Practical Materials Research Centre of National Academy of Sciences of Belarus, 220072 Minsk, Belarus; (T.Z.); (S.T.); (A.T.); (V.F.)
- Laboratory of Single Crystal Growth, South Ural State University, 454080 Chelyabinsk, Russia;
| | - Denis Vinnik
- Laboratory of Single Crystal Growth, South Ural State University, 454080 Chelyabinsk, Russia;
| | - Mengge Dong
- Department of Resource and Environment, Northeastern University, Shenyang 110819, China;
| | - Sergey Trukhanov
- Laboratory of Magnetic Films Physics, Scientific-Practical Materials Research Centre of National Academy of Sciences of Belarus, 220072 Minsk, Belarus; (T.Z.); (S.T.); (A.T.); (V.F.)
- Laboratory of Single Crystal Growth, South Ural State University, 454080 Chelyabinsk, Russia;
| | - Alex Trukhanov
- Laboratory of Magnetic Films Physics, Scientific-Practical Materials Research Centre of National Academy of Sciences of Belarus, 220072 Minsk, Belarus; (T.Z.); (S.T.); (A.T.); (V.F.)
- Laboratory of Single Crystal Growth, South Ural State University, 454080 Chelyabinsk, Russia;
| | - Valery Fedosyuk
- Laboratory of Magnetic Films Physics, Scientific-Practical Materials Research Centre of National Academy of Sciences of Belarus, 220072 Minsk, Belarus; (T.Z.); (S.T.); (A.T.); (V.F.)
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