Journal of Surface Investigation: X-ray, Synchrotron and Neutron Techniques最新文献_第7页

Diameter-Controlled Growth of Sb2Te3 Nanowires with Au Catalyst by the Vapor–Liquid–Solid Mechanism 利用气-液-固机制在金催化剂作用下生长直径可控的 Sb2Te3 纳米线

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Journal of Surface Investigation: X-ray, Synchrotron and Neutron Techniques Pub Date : 2024-07-15 DOI: 10.1134/S1027451024700186

N. Swaikat, R. Alabada, A. S. Samofalova

引用次数: 0

Using of Machine Learning Capabilities to Predict Double Phosphate Structures for Biomedical Applications 利用机器学习能力预测生物医学应用中的双磷酸结构

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Journal of Surface Investigation: X-ray, Synchrotron and Neutron Techniques Pub Date : 2024-07-15 DOI: 10.1134/S102745102470023X

E. R. Kolomenskaya, V. V. Butova, Yu. V. Rusalev, B. O. Protsenko, A. V. Soldatov, M. A. Butakova

{"title":"Using of Machine Learning Capabilities to Predict Double Phosphate Structures for Biomedical Applications","authors":"E. R. Kolomenskaya, V. V. Butova, Yu. V. Rusalev, B. O. Protsenko, A. V. Soldatov, M. A. Butakova","doi":"10.1134/S102745102470023X","DOIUrl":"10.1134/S102745102470023X","url":null,"abstract":"In the rapidly developing field of biomedical research, the search for new materials with improved properties is crucial to moving the entire field forward. Double phosphates have generated significant interest in a wide range of applications, ranging from drug delivery systems to catalysts for biomedical reactions, and the fields of biomedicine and tissue engineering are no exception. In this article, we propose a method for finding new double phosphate materials, which is based on machine learning, screening, and applying data from structural databases, and use this methodology combined with chemical knowledge to propose several promising materials for bone tissue engineering. For the selected candidates, we develop a solid-phase synthesis procedure and apply their physical characteristics to confirm the results. In addition, the role of morphology, that is, the porosity of frameworks based on these materials, is discussed from a biomedical point of view, and several synthetic ways to adjust this parameter are proposed and investigated.","PeriodicalId":671,"journal":{"name":"Journal of Surface Investigation: X-ray, Synchrotron and Neutron Techniques","volume":"18 3","pages":"633 - 640"},"PeriodicalIF":0.5,"publicationDate":"2024-07-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141718767","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Chirality Control of Magnetic Vortices in Ferromagnetic Disk–Nanowire System 铁磁盘-纳米线系统中磁涡旋的手性控制

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Journal of Surface Investigation: X-ray, Synchrotron and Neutron Techniques Pub Date : 2024-07-15 DOI: 10.1134/S1027451024700290

D. A. Tatarskiy, E. V. Skorokhodov, O. L. Ermolaeva, V. L. Mironov, A. A. Fraerman

{"title":"Chirality Control of Magnetic Vortices in Ferromagnetic Disk–Nanowire System","authors":"D. A. Tatarskiy, E. V. Skorokhodov, O. L. Ermolaeva, V. L. Mironov, A. A. Fraerman","doi":"10.1134/S1027451024700290","DOIUrl":"10.1134/S1027451024700290","url":null,"abstract":"The results of experimental studies and micromagnetic modeling of magnetic states in a one-dimensional array are presented. The array has the form of a chain of ferromagnetic disks coupled with a ferromagnetic nanowire made of the same material. The disks are located on opposite sides of the nanowire, which makes it possible to obtain distributions when the chiralities of the magnetic vortex shells in neighboring disks alternate, which can find application in vortex spin nanooscillators. By applying a magnetic field of an excited objective lens in situ and using Lorentz transmission electron microscopy, it is shown that in this system the chiralities of the shells of magnetic vortices can be controlled by magnetization in the sample plane along various azimuthal directions. When magnetized along the nanowire in disks located on opposite sides of it, vortex states with opposite chiralities are realized. An antivortex is formed in the nanowire itself at the boundary with the disk, since the local direction of magnetization in the wire and in the disk are anticollinear. When magnetized perpendicular to the nanowire, states with the same chirality are realized in all disks. In this case, two perpendicular domain walls are formed between the disks in the nanowire and the vortex in the disk is shifted to one of the edges along the nanowire.","PeriodicalId":671,"journal":{"name":"Journal of Surface Investigation: X-ray, Synchrotron and Neutron Techniques","volume":"18 3","pages":"671 - 675"},"PeriodicalIF":0.5,"publicationDate":"2024-07-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141718788","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Deposition of Wear-Resistant Nanocomposite Coatings from Accelerated C60 Ions 利用加速 C60 离子沉积耐磨纳米复合涂层

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Journal of Surface Investigation: X-ray, Synchrotron and Neutron Techniques Pub Date : 2024-07-15 DOI: 10.1134/S1027451024700101

V. E. Pukha, E. I. Drozdova, O. P. Chernogorova, I. N. Lukina, M. I. Petrzhik, A. A. Belmesov

{"title":"Deposition of Wear-Resistant Nanocomposite Coatings from Accelerated C60 Ions","authors":"V. E. Pukha, E. I. Drozdova, O. P. Chernogorova, I. N. Lukina, M. I. Petrzhik, A. A. Belmesov","doi":"10.1134/S1027451024700101","DOIUrl":"10.1134/S1027451024700101","url":null,"abstract":"From accelerated C60 ions at temperatures of 200 and 300°C hard wear-resistant carbon coatings were deposited. It has been established that the mechanical properties of the coatings are determined by the substrate temperature (Ts) and the energy composition of the beam. The hardness of coatings deposited from ({text{C}}_{{60}}^{ + }) ions with an energy of 7 keV exceeds 50 GPa and is practically independent of Ts. The presence of ({text{C}}_{{60}}^{{2 + }}) and ({text{C}}_{{60}}^{{3 + }}) with an energy of ~14 and 21 keV, respectively, in the beam leads to a result that is not typical for carbon coatings—the hardness increases by more than 1.3 times with an increase in Ts from 200 to 300°C (from 31.6 to 41.6 GPa). In this case, according to Raman spectroscopy data, the size of graphite nanocrystals in the coating increases with temperature up to almost 2 nm. Coatings obtained under conditions of irradiation with ({text{C}}_{{60}}^{{2 + }}) and ({text{C}}_{{60}}^{{3 + }}) ions are characterized by minimal wear (1.5 × 10–8 mm3/(N m), Ts = 200°C) and minimal friction coefficient (μ = 0.05 for Ts = 300°C). We attribute the unusual dependence of hardness on Ts and the improvement in the tribological properties of coatings to the formation of a composite structure based on a diamond-like matrix and graphite nanocrystals in this Ts range.","PeriodicalId":671,"journal":{"name":"Journal of Surface Investigation: X-ray, Synchrotron and Neutron Techniques","volume":"18 3","pages":"557 - 563"},"PeriodicalIF":0.5,"publicationDate":"2024-07-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141722138","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Erratum to: Microstructure and Mechanical Properties of Laser Clad18Ni300 Coatings with La2O3 Addition on ZL205A Aluminum Alloy 勘误：ZL205A 铝合金上添加 La2O3 的 18Ni300 激光熔覆涂层的微观结构和力学性能

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Journal of Surface Investigation: X-ray, Synchrotron and Neutron Techniques Pub Date : 2024-07-15 DOI: 10.1134/S1027451024330012

Qixiao Xu, Daoyou Zheng, Xiao Chen, Sergey Konovalov, Xizhang Chen

引用次数: 0

Effect of Electron Irradiation on the Optical Properties of Zinc Oxide Powder Modified with Magnesium Oxide Nanoparticles 电子辐照对氧化镁纳米粒子修饰的氧化锌粉末光学特性的影响

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Journal of Surface Investigation: X-ray, Synchrotron and Neutron Techniques Pub Date : 2024-07-15 DOI: 10.1134/S1027451024700137

M. M. Mikhailov, V. V. Neshchimenko, S. A. Yuriev, A. N. Lapin, V. A. Goronchko, A. N. Dudin, V. Yu. Yurina

{"title":"Effect of Electron Irradiation on the Optical Properties of Zinc Oxide Powder Modified with Magnesium Oxide Nanoparticles","authors":"M. M. Mikhailov, V. V. Neshchimenko, S. A. Yuriev, A. N. Lapin, V. A. Goronchko, A. N. Dudin, V. Yu. Yurina","doi":"10.1134/S1027451024700137","DOIUrl":"10.1134/S1027451024700137","url":null,"abstract":"The effect of modifying ZnO powders with MgO nanoparticles (with a concentration of 0.1–10 wt %) on their diffuse reflectance spectra in the region of 0.2–2.5 μm before and after irradiation with 30 keV electrons was studied. Modification of ZnO powder was carried out by MgO nanopowder with a concentration from 0.1 to 10 wt % using a solid-state method at a heating temperature of 650°C. X-ray diffraction analysis showed that with this modification method there is no formation of additional phases. It was shown that zinc oxide structure symmetry belongs to the P 63mc space group; magnesium oxide, to the Fm–3m space group. The spectral reflectance of such powders in the visible region is over 90%. Under irradiation of original and modified ZnO powders, as well as the MgO nanopowder, by 30 keV electrons, a decrease in their reflectance is recorded in the entire studied region of the spectrum. It was established that modification with MgO nanoparticles at a concentration of 3 wt % leads to an increase in radiation resistance by a factor of 1.32 compared to unmodified samples. This effect is determined by the sink of radiation defects on the large specific surface area of nanoparticles.","PeriodicalId":671,"journal":{"name":"Journal of Surface Investigation: X-ray, Synchrotron and Neutron Techniques","volume":"18 3","pages":"579 - 585"},"PeriodicalIF":0.5,"publicationDate":"2024-07-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141718755","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Effect of the Implantation of ({text{O}}_{{text{2}}}^{ + }) Ions on the Composition and Electronic Structure of CdS Films 植入 $${{O}}_{{text{2}}}^{ + }$ 离子对 CdS 薄膜成分和电子结构的影响

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Journal of Surface Investigation: X-ray, Synchrotron and Neutron Techniques Pub Date : 2024-07-15 DOI: 10.1134/S1027451024700150

B. E. Umirzakov, J. Sh. Sodikjanov, Z. A. Isakhanov, A. A. Abduvayitov

引用次数: 0

Deryagin–Landau–Verwey–Overbeek Colloids in Poiseuille Liquid Flow Poiseuille 液体流中的 Deryagin-Landau-Verwey-Overbeek 胶体

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Journal of Surface Investigation: X-ray, Synchrotron and Neutron Techniques Pub Date : 2024-07-15 DOI: 10.1134/S1027451024700381

V. B. Shikin

{"title":"Deryagin–Landau–Verwey–Overbeek Colloids in Poiseuille Liquid Flow","authors":"V. B. Shikin","doi":"10.1134/S1027451024700381","DOIUrl":"10.1134/S1027451024700381","url":null,"abstract":"The properties of a dilute Deryagin–Landau–Verwey–Overbeek colloidal solution, a solution flowing in a long tube of finite cross section (Poiseuille flow), are discussed. Such colloids entering the channel are likely to adsorb at the metal-electrolyte interface (see the main text for details). In this case, their motion along the walls of the metal tube cannot be considered to be stokes (a rectilinear motion without signs of rotation motion of a trial sphere of radius ({{R}_{0}}) relative to a stationary, viscous liquid is called the stokes motion). For a trial sphere located near the wall-viscous fluid boundary, motion along the channel axis without signs of rotation is impossible. A set of colloids adsorbed on the walls of the channel is forced to roll along its sides, coherently changing the hydrodynamic boundary conditions of the Poiseuille problem by its translational-rotational motion. As a consequence, the content of the formulas defining the regularities of the flow of viscous suspensions in a long tube of the finite cross section (Poiseuille flow) is noticeably modified. As a suitable example of the influence of finite colloid density on Poiseuille hydrodynamics in long channels, the details of the law of dispersion of sound oscillations in long, flat, or cylindrically symmetric tubes are discus-sed.","PeriodicalId":671,"journal":{"name":"Journal of Surface Investigation: X-ray, Synchrotron and Neutron Techniques","volume":"18 3","pages":"731 - 735"},"PeriodicalIF":0.5,"publicationDate":"2024-07-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141718786","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Procedure for Fabrication and Characterization of van der Waals Heterostructures 范德瓦尔斯异质结构的制造和表征程序

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Journal of Surface Investigation: X-ray, Synchrotron and Neutron Techniques Pub Date : 2024-07-15 DOI: 10.1134/S1027451024700344

A. F. Shevchun, M. G. Prokudina, S. V. Egorov, E. S. Tikhonov

{"title":"Procedure for Fabrication and Characterization of van der Waals Heterostructures","authors":"A. F. Shevchun, M. G. Prokudina, S. V. Egorov, E. S. Tikhonov","doi":"10.1134/S1027451024700344","DOIUrl":"10.1134/S1027451024700344","url":null,"abstract":"A step-by-step description of the technique for manufacturing various van der Waals heterostructures is provided. First, the procedure to obtain monolayer and few-layer flakes from layered materials, in particular graphite and hexagonal boron nitride, is discussed. Next, different approaches to their assembly depending on the required final structure are considered. Finally, the procedure for making ohmic contacts is described in detail and the parameters for plasma chemistry and metal deposition are given. The field effect is discovered in transport measurements carried out at various temperatures, but a number of features, such as a strong shift of the charge neutral point from the zero-gate voltage, a large resistance away from the charge neutral point, and a low mobility, indicate a poor quality of the resulting devices. Nevertheless, one of the fabricated devices demonstrates good quality: the maximum mobility is estimated as 15 000 cm2/(V s), and the magnetic field dependences demonstrate the quantum Hall effect that is standard for high-quality graphene. Unexpectedly, scanning electron microscope images of the resulting devices reveal a large amount of contamination on the surface of the flakes, which may explain the corresponding quality of our devices. Preliminary results of flakes cleaning with chemical compounds and thermal treatment are presented.","PeriodicalId":671,"journal":{"name":"Journal of Surface Investigation: X-ray, Synchrotron and Neutron Techniques","volume":"18 3","pages":"706 - 711"},"PeriodicalIF":0.5,"publicationDate":"2024-07-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141718829","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

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Study of the Influence of Ferromagnetic Impurity Concentration on Magnetic Properties of Binary Palladium–Cobalt Alloy 铁磁性杂质浓度对二元钯钴合金磁性能的影响研究

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Journal of Surface Investigation: X-ray, Synchrotron and Neutron Techniques Pub Date : 2024-07-15 DOI: 10.1134/S1027451024700046

I. I. Gumarova, A. I. Gumarov, I. V. Yanilkin

引用次数: 0