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Wyniki wyszukiwania dla: SCANNING PROBE MICROSCOPY
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Application of dynamic impedance spectroscopy to scanning probe microscopy.
PublikacjaDynamic impedance spectroscopy, designed for measuring nonstationary systems, was used in combination with scanning probe microscopy. Using this approach, impedance mapping could be carried-out simultaneously with topography scanning. Therefore, correlation of electrical properties with particular phases of an examined sample was possible. The sample used in this study was spheroidal graphite cast iron with clearly defined phases...
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Application of Dynamic Impedance Spectroscopy to Scanning Probe Microscopy
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Electrical and mechanical characterization of two-phase alloys by means of scanning probe microscopy in dynamic impedance spectroscopy mode
PublikacjaDynamic impedance spectroscopy, evaluated for measuring non-stationary systems, was used in combination with scanning probe microscope. Using this approach, localized impedance measurements in the AFM contact mode could be carried out. Additionally, impedance–force curves were made at each phase of investigated materials to illustrate the relation between impedance and the force applied to a probe. Therefore, correlation of electrical...
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Focused ion beam-based microfabrication of boron-doped diamond single-crystal tip cantilevers for electrical and mechanical scanning probe microscopy
PublikacjaIn this paper, the fabrication process and electromechanical properties of novel atomic force microscopy probes utilising single-crystal boron-doped diamond are presented. The developed probes integrate scanning tips made of chemical vapour deposition-grown, freestanding diamond foil. The fabrication procedure was performed using nanomanipulation techniques combined with scanning electron microscopy and focused ion beam technologies....
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Scanning Probe Microscopy in Electrochemistry and Materials Science
Kursy OnlineProwadzący: Prof. Jacek LIPKOWSKI z University of Guelph, Ontario, Canada. Kurs zorganizowany dla doktorantów Wydziału Chemicznego Politechniki Gdańskiej. Dostęp do kursu po kontakcie z administratorem.
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Toward Mechanosynthesis of Diamondoid Structures: IX Commercial Capped CNT Scanning Probe Microscopy Tip as Nowadays Available Tool for Silylene Molecule and Silicon Atom Transfer
PublikacjaAccording to K. E. Drexler, advanced mechanosynthesis will employ advanced nanomachines, but advanced nanomachines will themselves be product of advanced mechanosynthesis. This circular relationship must be broken in SPM technology development. In the article, the possibility of use easy available commercial CNT tips to assembly silicon-based intermediate generations of nano-devices is considered. Mechanosynthesis of a target class...
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Scanning tunneling microscopy and spectroscopy study of Nd2−xCexCuO4−y
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Inner-Tube Chirality Determination for Double-Walled Carbon Nanotubes by Scanning Tunneling Microscopy
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Identification of intermetallic phases in the structure of austenitic steel with use of Scanning Kelvin Probe Microscopy
Dane BadawczeDelta ferrite is formed in austenitic steels during the solidification of the alloy and its welds. It can also occur as a stable phase in any temperature range in high-alloy austenitic-ferritic steels. Depending on the amount, it can change into gamma and sigma phases and into ferrite with variable chromium content. The main role of delta ferrite in...
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Microstructure–Property Relationship of Polyurethane Foams Modified with Baltic Sea Biomass: Microcomputed Tomography vs. Scanning Electron Microscopy
PublikacjaIn this paper, novel rigid polyurethane foams modified with Baltic Sea biomass were compared with traditional petro-based polyurethane foam as reference sample. A special attention was focused on complex studies of microstructure, which was visualized and measured in 3D with high-resolution microcomputed tomography (microCT) and, as commonly applied for this purpose, scanning electron microscopy (SEM). The impact of pore volume,...
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Microstructure–Property Relationship of Polyurethane Foams Modified with Baltic Sea Biomass: Microcomputed Tomography vs. Scanning Electron Microscopy
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Comparative study of donor-induced quantum dots in Si nano-channels by single-electron transport characterization and Kelvin probe force microscopy
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The Scanning Electron Microscopy images of three arthropods
Dane BadawczeThe dataset contains micrographs of various arthropods made with the Scanning Electron Microscopy (SEM) technique. The images were done during the laboratory with students from the Faculty of Chemistry. Among the studied species, there is a fruit fly (lat.Drosophila melanogaster), a spider (most likely Sibianor aurocinctus), and a weevil insect (Curculionoidea).
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The topography of various sialoliths by scanning electron microscopy
Dane BadawczeThis dataset contains SEM micrographs taken for salivary gland stones (sialolith) extracted during joint studies between the Medical University of Gdansk and Gdansk University of Technology. Three different types of stones were examined, as discussed in the article: 10.1111/odi.13708
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SEM (scanning electron microscopy) and TEM (transmission electron microscopy) images of PMD and PMH
Dane BadawczeThese data contains SEM (scanning electron microscopy) and TEM (transmission electron microscopy) images of PMD and PMH. TEM was performed on a FEI Tecnai F30 transmission electron microscope operating at an acceleration voltage of 200 kV. SEM was done with a SEM, XL30ESEM-FEG with an acceleration voltage of 20 KV. Sample abbreviations (PMH, PMD) are...
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Automated Analysis of Images from Confocal Laser Scanning Microscopy Applied to Observation of Calcium Channel Subunits in Nerve Cell Model Line Subjected Electroporation and Calcium
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The exemplary Kelvin probe microscopy studies of sensitized austenitic stainless steels
Dane BadawczeThe dataset summarizes the results of imaging the surface potential distribution using the Kelvin probe scanning technique. Due to the fact that the potential measured in this way is proportional to the electrochemical potential of metals or intermetallic phases, it is possible to assess the nobility differences of various alloy components. In the case...
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The scanning electron microscopy (SEM) studies of low voltage copper cables
Dane BadawczeThe dataset contains the scanning electron microscopy (SEM) images of the low voltage copper cables, which were studied in the article discussing the regulatory requirements for checking the electrical resistance of such cables. The cables were cut and studies in cross-section. The full results were published in:
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Scanning electron microscopy (SEM) images of the boron-dopied diamond surfaces
Dane BadawczeThe dataset contains the scanning electron micrographs (SEM), revealing the surface morphology of diamond electrodes on different substrates. The diamond surface is characterized by an aggregation of crystals that do not form a continuous layer.
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Scanning electron microscopy (SEM) images of the boron-dopied diamond surfaces
Dane BadawczeThe dataset contains the scanning electron micrographs (SEM), revealing the surface morphology of diamond electrodes on silicon substrates. The diamond surface is characterized by ultra-crystalline diamonds obtained by CVD synthesis.
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Scanning Electron Microscopy images of nanocubes suspension 1 month after synthesis
Dane BadawczeThis dataset contains the SEM images of the gold nanocubes suspension in citrate buffer. The goal of the study was to evaluate the size of the synthesized nanocubes, their stability one month after the synthesis process, and to verify the optimal conditions regarding nanocubes concentration for the SEM analysis. Solutions with two different AuNC concentrations...
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Scanning electron microscopy (SEM) images of the boron-doped carbon nanowalls surfaces
Dane BadawczeThe dataset contains the scanning electron micrographs (SEM), revealing the surface morphology of boron-doped carbon nanowalls electrodes on silicon substrates. The surface is characterized by nano-walled structures. The obtained electrodes were doped with boron at the level of [B]/[C] = 5000ppm in the gas atmosphere during the synthesis.
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Scanning electron microscopy (SEM) images of the boron-dopied carbon nanowalls surfaces
Dane BadawczeThe dataset contains the scanning electron micrographs (SEM), revealing the surface morphology of boron-doped carbon nanowalls electrodes on silicon substrates. The surface is characterized by nano-walled structures. The obtained electrodes were doped with boron at the level of [B]/[C] = 1200ppm in the gas atmosphere during the synthesis.
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Scanning electron microscopy (SEM) images of the boron-doped carbon nanowalls surfaces
Dane BadawczeThe dataset contains the scanning electron micrographs (SEM), revealing the surface morphology of boron-doped carbon nanowalls electrodes on silicon substrates. The surface is characterized by nano-walled structures. The obtained electrodes were doped with boron at the level of [B]/[C] = 2000ppm in the gas atmosphere during the synthesis.
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Evaluation of the content of zinc compounds in polyethylene films using scanning electron microscopy
Dane BadawczeThe dataset contains the results of in the form of micrographs made using a scanning electron microscope (SEM) S–3400N (Hitachi, Hyogo, Japan) using backscattered electron (BSE) detector. SEM was equipped with tungsten filament. The accelerating voltage was 25 kV. Utilization of BSE detector allowed to increase the contrast of local areas varying in...
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SEM (Scanning Electron Microscopy) and SEM-EDS (Scanning Electron Microscopy with Energy Dispersive X-ray Spectroscopy) images of nickel (Ni) foam as received, after photocatalysis and after oxidation at 500_C.
Dane BadawczeThis dataset contains SEM (Scanning Electron Microscopy) and SEM-EDS (Scanning Electron Microscopy with Energy Dispersive X-ray Spectroscopy) images of Ni (nickel) foam as received from the supplier, after photocatalytic treatment and after oxidation at 500C. The detailed equipment and measurement data was described in "readme SEM.txt" file
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Morphology and conductivity investigations of nickel-molybdenium alloy by means of Scanning Spreading Resistance Microscopy
Dane BadawczeElectrolytically deposited nickel-molybdenum alloys are interesting materials because of their high corrosion resistance and low over-potential for hydrogen evolution. Despite many studies devoted to the deposition of these alloys, the mechanism of co-deposition is not fully understood [1]. The aim of the research was to preserve the electrochemically...
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The scanning spreading resistance microscopy (SSRM) of some CoCrMo alloys subjected to electrochemical litography
Dane BadawczeThe dataset contains the results of the experiment consisting of performing electrochemical lithography on the surface of the CoCrMo prosthetic alloy. First, by applying local anodic polarization, oxide structures were created on the surface of the material. Next, they were imaged in the SSRM (scanning spreading resistance microscopy) mode to visualize...
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Scanning electron microscopy studies of the weld decay on SS 304 of water supply pipeline
Dane BadawczeThis dataset contains micrographs made with scanning electron microscope (SEM) Hitachi S-3400N, of the weld decay for water supply system pipelines made of AISI 304 stainless steel. Within the dataset one can see the different corrosion mechanisms. The micrographs were made after the Strauss test (excluding pictures labeled as pits_in_HAZ, done without...
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Scanning Electron Microscopy (SEM ) images of PC-X (porous carbon materials obtained at various temperatures)
Dane BadawczeThese data contain SEM (scanning electron microscopy) images of PC-700 (porous carbon materials obtained at 700°C), PC-800 (porous carbon materials obtained at 800°C) and PC-900 (porous carbon materials obtained at 900°C).
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The scanning electron microscopy (SEM) studies of heavy boron-doped diamond oxidation under high-temperature
Dane BadawczeThe dataset contains the results of scanning electron microscopy (SEM) images of heavy boron-doped diamond (BDD) electrodes subjected to high-temperature oxidation in a furnace at 600 Celsius. The micrographs reveal the material decomposition of BDD grains due to high temperature.
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Scanning electron microscopy (SEM) images of boron-doped diamond thin films at poly(lactic acid)
Dane BadawczeThe dataset contains the photos obtained by scanning electron microscope(SEM), revealing the surface morphology and cross-section of boron-doped diamond electrodes on commercially available graphene-doped polylactide acid. The boron doping level expressed as the [B]/[C] ratio in the gas phase for these studies was 500 and 10,000 ppm. The top views of...
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The scanning spreading resistance microscopy (SSRM) studies of heavy boron-doped diamond oxidation under high-temperature
Dane BadawczeThe dataset contains the results of scanning spreading resistance microscopy (SSRM) of heavy boron-doped diamond (BDD) electrodes subjected to high-temperature oxidation in a furnace at 600 Celsius. The micrographs reveal the local change of electric properties at certainly crystallographic orientations of BDD grains and at the grain boundaries due...
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Scanning Electron Microscopy Facility
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Application of different modes of nanoscale impedance microscopy in materials research
PublikacjaIn recent years, there is noticeable interest in application of various types of scanning probe microscopy in material science research. One of them is contact atomic force microscopy combined with local impedance measurements, known as nanoscale impedance microscopy. Literature references present its application in investigations of new materials, microelectronics diagnostics, or research of protective coatings performance. In...
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Integrated circuit structure surface images obtained with contact capacitive imaging technique
Dane BadawczeThe measurements were done using NTEGRA Prima (NT-MDT) device. CSG 10Pt probe.
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Validation of result of STM probe fabrication
Dane BadawczeThe scanning tunneling microscope [1] is a powerful research tool that allows, among other things, to obtain images with atomic resolution. A serious limitation of the described microscope is its limited applicability relating to conductive and semiconductor materials and the reproducibility of measurements depending on the preparation of the measuring...
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The scanning tunnelling micrographs of highly oriented pyrolytic graphite
Dane BadawczeThe dataset contains the results imaging of a sample of highly oriented pyrolytic graphite obtained using scanning tunneling microscopy. The above variant of scanning probe microscopy is one of the most convenient research techniques at atomic scales. The file contains images corresponding to increasing magnifications from the 1 um scale to a few nanometers....
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Atomic force microscopy images of copper electrical contacts wear under the influence of friction
Dane BadawczeMeasurement of wear of copper electrical contacts under the influence of friction. Imaging in contact mode in the variant of scanning spreading resistance microscopy. Additionally, there are spectroscopic current-voltage curves showing local changes in electrical conductivity. NTEGRA Prima (NT-MDT) device. Probe NSG 01Pt.
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Colvolutional calibration of AFM probe
Dane BadawczeAtomic force microscopy is based on the interaction of the examined surface with a probe of a pyramidal shape, tipped with a sharp end with a radius of curvature ranging from single nanometers to hundreds of nanometers. The resolution of the obtained image is of course dependent on the above-mentioned geometric size, and the resulting image is a convolutional...
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Fingerprint structure studies with semi-contact AFM
Dane BadawczeThe work [1] presents many, sometimes even surprising examples of the use of atomic force microscopy in modern forensics. Some of them are projectile tests using the characteristic scratch patterns created by the firing pin on the primer. There are more and more suggestions in the literature for the use of atomic force microscopy in dactyloscopy [2]....
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Tip-Based Nanofabrication as a Rapid Prototyping Tool for Quantum Science and Technology
PublikacjaTip-Based Nanofabication as a Rapid Prototyping Tool for Quantum Science and Technology discusses the development of cantilevered nanotips techniques of quantum devices prototyping and how they evolved from scanning probe microscopy. Also covered are the advantages and future prospects of atomic resolution capability and how to use this enabling technology as a rapid prototyping tool for quantum science and technology.
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Microscopy analysis of A549 and H460 cells' mitochondria after exposure to TXT2 and TXT4
Dane BadawczeThe data set contains live-cell imaging of A549 and H460 cells' mitochondria after exposure to TXT2 and TXT4. Cells were exposed for 6 h to the tested compounds at their IC90 concentration or to DMSO. Then, mitochondrial labelling was performed by incubating the cells with a MitoTracker Green FM probe (Thermo Fisher Scientific) and Hoechst 33342 (Thermo...
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Topographic AFM imaging of the leaf surface with magnification of details of its morphological structure
Dane BadawczeTopographic imaging of the leaf surface with magnification of details of its morphological structure. Measurements in semi-contact mode. NTEGRA Prima (NT-MDT) device. NSG 01 probe.
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AFM investigation of electrode fabricated by 3D printing
Dane Badawcze3D printing, also known as additive manufacturing, has enjoyed great interest in recent years due to the versatility of this method of producing various shapes and details. Due to the possibility of precise control of the shape and composition of the printed elements, the discussed technique can be widely used in electrochemistry, including electrochemical...
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AFM analysis of duplex steel structure and composition
Dane BadawczeDue to the high content of alloying elements, duplex stainless steels are characterized by a complex structure of phase transitions. Among all types of intermetallic compounds, the sigma phase is of major interest due to its detrimental effect on both mechanical properties and corrosion behavior. It is an intermetallic phase enriched in Cr and Mo and...
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Results of calibration of the piezoelectric scanner using the probe TGQ1
Dane BadawczeTeaching file. Results of calibration of the piezoelectric scanner using the probe TGQ1. Scanning in contact mode. NTEGRA Prima (NT-MDT) device. CSG probe 10.
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Preparation and characterization of Pt–N/TiO2 photocatalysts and their efficiency in degradation of recalcitrant chemicals
PublikacjaSeries of Pt–N/TiO2 photocatalysts were synthesized using the sol–gel method. The photocatalysts’ characteristics by X-ray diffractometry (XRD), scanning transmission electron microscopy (STEM), diffuse reflectance spectroscopy (DRS), X-ray photoelectron spectroscopy (XPS) showed that sample with the molar ratio Ti:N equal 1:4 and platinum nanoparticles size of about 3 nm had anatase structure, about 94 m2/g specific surface area...
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Low-strain sensor based on the flexible boron-doped diamond-polymer structures
PublikacjaA free-standing high boron-doped diamond nanosheet (BDDNS) has been fabricated for the development of a flexible BDDNS strain senor. High boron-doped diamond was initially grown on a tantalum substrate in a microwave plasma-assisted chemical vapor deposition method, and was then transferred to a Kapton polymer substrate to fabricate the flexible BDDNS/Kapton device. Before performing the transfer process, the thin BDDNS’s morphology...
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Visible light activity of pulsed layer deposited BiVO4/MnO2 films decorated with gold nanoparticles: The evidence for hydroxyl radicals formation
PublikacjaThin films containing BiVO4 and MnO2 deposited on FTO and modified by Au nanoparticles were studied towards their photoelectrochemical and photocatalytical activities in an aqueous electrolyte. Electrodes were prepared by the pulsed laser deposition (PLD) method. The surfactant-free ablation process was used for preparation of the gold nanoparticles (GNP) water suspension. Obtained layers of varied thicknesses (27–115 nm) were...