rus
Nanotechnology
B.A.Loginov, Y.V.Khripunov, M.A.Shcherbina, A.O.Vyunik, V.D.Dmitrieva, A.A.Dyakova, M.K.Lebedeva, V.S.Makeev, A.R.Pervykh, D.S.Shevchenko, S.D.Khanin
STUDY OF THERMOEMISSION SPUTTERING METHOD FOR PREPARING THIN-FILM METAL COATINGS FOR OPEN SPACE SCANNING TUNNEL MICROSCOPE OPERATION DOI: 10.22184/1993-8578.2024.17.1.8.17
Thin-film coatings prepared by thermal emission sputtering by the number of metals and alloys in a vacuum chamber close to the space vacuum conditions for the first in the world space scanning tunnel microscope made in Russia, and designed as an Earth satellite with autonomous power supply and launched in summer 2023 for the purpose of gathering statistics on the size and density of micro- and nano-particles of dust and meteorites in Earth orbits. Due to the lack of previous scientific interest in sputtering in low vacuum because of the poor purity of the coatings obtained, data on coatings were obtained that are unique and in demand in practice due to the need for objects surface conductivity of observed in the scanning tunnel microscope. Conclusions about applicability of some metals and alloys to sputtering at scanning tunnel microscope operation in space are presented.
STUDY OF THERMOEMISSION SPUTTERING METHOD FOR PREPARING THIN-FILM METAL COATINGS FOR OPEN SPACE SCANNING TUNNEL MICROSCOPE OPERATION DOI: 10.22184/1993-8578.2024.17.1.8.17
Thin-film coatings prepared by thermal emission sputtering by the number of metals and alloys in a vacuum chamber close to the space vacuum conditions for the first in the world space scanning tunnel microscope made in Russia, and designed as an Earth satellite with autonomous power supply and launched in summer 2023 for the purpose of gathering statistics on the size and density of micro- and nano-particles of dust and meteorites in Earth orbits. Due to the lack of previous scientific interest in sputtering in low vacuum because of the poor purity of the coatings obtained, data on coatings were obtained that are unique and in demand in practice due to the need for objects surface conductivity of observed in the scanning tunnel microscope. Conclusions about applicability of some metals and alloys to sputtering at scanning tunnel microscope operation in space are presented.
Tags: scanning tunnel microscopy surface morphology thermal emission sputtering морфология поверхности сканирующая туннельная микроскопия термоэмиссионное напыление
A.V.Smirnov, O.P.Chernova, A.A.Terentyev
SYNTHESIS AND STUDY OF ELECTRICAL CONDUCTIVITY OF COPPER FILMS OBTAINED BY COPPER OXIDE REDUCTION BY CATHODIC SPUTTERING IN HYDROGEN ATMOSPHERE FOR PREPARING OF FILM ELECTRODES WITH VARIABLE CAPACITIES DOI: 10.22184/1993-8578.2024.17.1.18.24
The peculiarities of copper films synthesis by cathode sputtering are considered. These films were oxidized and further reduced the oxide films back to the metal phase. The reduction was carried out by bombardment with copper atoms in a hydrogen atmosphere. This method of copper metal films producing provides better electrical conductivity. Surface resistivity was measured using the four-probe method. UV-vis transmission and absorption spectra have been studied. Practical applications of the identified dependencies are proposed.
SYNTHESIS AND STUDY OF ELECTRICAL CONDUCTIVITY OF COPPER FILMS OBTAINED BY COPPER OXIDE REDUCTION BY CATHODIC SPUTTERING IN HYDROGEN ATMOSPHERE FOR PREPARING OF FILM ELECTRODES WITH VARIABLE CAPACITIES DOI: 10.22184/1993-8578.2024.17.1.18.24
The peculiarities of copper films synthesis by cathode sputtering are considered. These films were oxidized and further reduced the oxide films back to the metal phase. The reduction was carried out by bombardment with copper atoms in a hydrogen atmosphere. This method of copper metal films producing provides better electrical conductivity. Surface resistivity was measured using the four-probe method. UV-vis transmission and absorption spectra have been studied. Practical applications of the identified dependencies are proposed.
Tags: cathodic reduction copper film electrodes hydrogen synthesis thin film systems водород катодное восстановление медь пленочные электроды синтез тонкопленочные системы
A.I.Akhmetova, T.O.Sovetnikov, E.O.Zorikova, I.V.Yaminsky
SCANNING PROBE MICROSCOPY OF SUBSTANTIA NIGRA DOI: 10.22184/1993-8578.2024.17.1.26.31
SCANNING PROBE MICROSCOPY OF SUBSTANTIA NIGRA DOI: 10.22184/1993-8578.2024.17.1.26.31
Equipment for nanoindustry
A.S.Kushnereva, I.V.Laktionov, A.S.Useinov, S.V.Orlov, E.S.Statnik, P.A.Somov
MICROSPHERICAL DIAMOND TIPS FOR INVESTIGATION OF LOCAL MECHANICAL PROPERTIES OF MATERIALS BY INSTRUMENTED INDENTATION DOI: 10.22184/1993-8578.2024.17.1.44.49
The purpose of this study is to develop and demonstrate a technique for preparing a spheroconical diamond indenter with a characteristic tip size of about 5 μm. The production of the described tip is realized by using a picosecond laser to form the workpiece and a focused ion beam for the final processing of the product. An atomic force microscope was used to control the geometry during manufacturing. The height of the working area of the obtained tip was 1 µm. The study also demonstrates the applicability of the fabricated indenter and provides load-insertion diagrams during indentation and AFM images of the residual indentations.
MICROSPHERICAL DIAMOND TIPS FOR INVESTIGATION OF LOCAL MECHANICAL PROPERTIES OF MATERIALS BY INSTRUMENTED INDENTATION DOI: 10.22184/1993-8578.2024.17.1.44.49
The purpose of this study is to develop and demonstrate a technique for preparing a spheroconical diamond indenter with a characteristic tip size of about 5 μm. The production of the described tip is realized by using a picosecond laser to form the workpiece and a focused ion beam for the final processing of the product. An atomic force microscope was used to control the geometry during manufacturing. The height of the working area of the obtained tip was 1 µm. The study also demonstrates the applicability of the fabricated indenter and provides load-insertion diagrams during indentation and AFM images of the residual indentations.
Tags: diamond indenter elastic modulus hardness mechanical properties алмазный индентор механические свойства модуль упругости твердость
I.V.Yaminsky, A.I.Akhmetova
LOMONOSOV CLUSTER: A YEAR LATER. WE ARE WORKING! DOI: 10.22184/1993-8578.2024.17.1.50.54
A year ago, on January 25, 2023, the grand opening of the Lomonosov cluster took place [1]. During this year, we managed to build, improve and significantly improve. For Advanced Technologies Center, the year 2023 was successful in terms of achievements in scientific and technical terms. We have developed and assembled a significantly improved installation for combined scanning capillary microscopy and molecular 3D printing, developed a fast and effective solution for constructing physical experimental equipment, professional measuring and control electronics with highly advanced "brains" based on FPGAs. FemtoScan Online software remains one of the best solutions for processing 3D data in microscopy.
LOMONOSOV CLUSTER: A YEAR LATER. WE ARE WORKING! DOI: 10.22184/1993-8578.2024.17.1.50.54
A year ago, on January 25, 2023, the grand opening of the Lomonosov cluster took place [1]. During this year, we managed to build, improve and significantly improve. For Advanced Technologies Center, the year 2023 was successful in terms of achievements in scientific and technical terms. We have developed and assembled a significantly improved installation for combined scanning capillary microscopy and molecular 3D printing, developed a fast and effective solution for constructing physical experimental equipment, professional measuring and control electronics with highly advanced "brains" based on FPGAs. FemtoScan Online software remains one of the best solutions for processing 3D data in microscopy.
Tags: atomic force microscopy bionanoscopy data processing scanning probe microscopy атомно-силовая микроскопия бионаноскопия обработка данных сканирующая зондовая микроскопия
A.A.Churakova, E.I.Iskhakova
ANALYSIS OF CHANGES IN MICROSTRUCTURE AND TEMPERATURES OF MARTENSITIC TRANSFORMATIONS IN TiNi ALLOY WITH DIFFERENT STRUCTURES DOI: 10.22184/1993-8578.2024.17.1.56.70
In the presented article studies were carried out of the influence of multiple martensitic transformations B2-B19’ on the structure and temperatures of transformations in different structural states of the TiNi alloy. It is shown that in coarse-grained, ultrafine-grained and nanocrystalline TiNi alloys, consistent changes occur in the microstructure and temperatures of phase transformations, with an increase in the number of thermal cycles to n=100 with rapid heating and rapid cooling to -196 °C. Transformation temperatures in the ultrafine-grained Ti49.15Ni50.85 state are more resistant to thermal cycling (TC) than in the coarse-grained state. The formation of martensite nanotwins in the nanostructural state after multiple thermal cycles was discovered.
ANALYSIS OF CHANGES IN MICROSTRUCTURE AND TEMPERATURES OF MARTENSITIC TRANSFORMATIONS IN TiNi ALLOY WITH DIFFERENT STRUCTURES DOI: 10.22184/1993-8578.2024.17.1.56.70
In the presented article studies were carried out of the influence of multiple martensitic transformations B2-B19’ on the structure and temperatures of transformations in different structural states of the TiNi alloy. It is shown that in coarse-grained, ultrafine-grained and nanocrystalline TiNi alloys, consistent changes occur in the microstructure and temperatures of phase transformations, with an increase in the number of thermal cycles to n=100 with rapid heating and rapid cooling to -196 °C. Transformation temperatures in the ultrafine-grained Ti49.15Ni50.85 state are more resistant to thermal cycling (TC) than in the coarse-grained state. The formation of martensite nanotwins in the nanostructural state after multiple thermal cycles was discovered.
Tags: coarse-grained martensitic transformations nanotwins thermal cycles ultrafine-grained and nanocrystalline alloys крупнозернистые мартенситные превращения нанодвойники термоциклы ультрамелкозернистые и нанокристаллические сплавы
Education
M.A.Masterskikh, М.G.Knol, A.O.Roenko (Dudnik)
DEVELOPMENT OF A MODULAR SMARTLAB LABORATORY FOR TEACHING STUDENTS OF TECHNICAL UNIVERSITIES OF IoT TECHNOLOGIES DOI: 10.22184/1993-8578.2024.17.1.32.42
The paper is devoted to the SmartLAB "smart" modular laboratory development for technical universities. The paper presents the results of development of three laboratory modules: a module for monitoring climate readings, blinds control and an access module to the office. Data transfer from devices to the website using a microcomputer has been established. The materials obtained can be used for preparing the methodological manuals and further training of students in practical skills in the framework of IoT courses and other related disciplines.
DEVELOPMENT OF A MODULAR SMARTLAB LABORATORY FOR TEACHING STUDENTS OF TECHNICAL UNIVERSITIES OF IoT TECHNOLOGIES DOI: 10.22184/1993-8578.2024.17.1.32.42
The paper is devoted to the SmartLAB "smart" modular laboratory development for technical universities. The paper presents the results of development of three laboratory modules: a module for monitoring climate readings, blinds control and an access module to the office. Data transfer from devices to the website using a microcomputer has been established. The materials obtained can be used for preparing the methodological manuals and further training of students in practical skills in the framework of IoT courses and other related disciplines.
Tags: access control module blinds control module climate control module internet of things microcomputer "smart" laboratory "умная" лаборатория technical university интернет вещей микрокомпьютер модуль контроля доступа модуль контроля показаний климата модуль управления жалюзи технический университет
Nanomaterials
L.B.Atlukhanova, I.V.Dolbin
THE INTERCONNECTION OF PROPERTIES AND DISPERSION DEGREE OF NANOFILLER FOR NANOCOMPOSITES POLYMER/CARBON NANOTUBE DOI: 10.22184/1993-8578.2024.17.1.74.79
In present work, the parameter of the dispersion degree of nanofiller is introduced, which characterizes quantitatively the dispersion level of the latter in nanocomposites polymer/carbon nanotube. This parameter is a function of size of the nanofiller aggregate and content. The relationship between the dispersion level of the nanofiller and the reinforcement degree is shown, which makes it possible to predict the properties of the nanocomposites under consideration.
THE INTERCONNECTION OF PROPERTIES AND DISPERSION DEGREE OF NANOFILLER FOR NANOCOMPOSITES POLYMER/CARBON NANOTUBE DOI: 10.22184/1993-8578.2024.17.1.74.79
In present work, the parameter of the dispersion degree of nanofiller is introduced, which characterizes quantitatively the dispersion level of the latter in nanocomposites polymer/carbon nanotube. This parameter is a function of size of the nanofiller aggregate and content. The relationship between the dispersion level of the nanofiller and the reinforcement degree is shown, which makes it possible to predict the properties of the nanocomposites under consideration.