• Image resolution in HAADF STEM is very high and predominately determined by the size of the electron probe, which in turn depends on the ability to correct the aberrations of the objective lens, in particular the spherical aberration. (wikipedia.org)
  • The clusters are imaged using high-angle annular dark field scanning transmission electron microscopy (HAADF-STEM) at 120 kV. (nature.com)
  • In addition, the wedge-shaped FIB samples were used for studying the HAADF-STEM contrasts at an interface of a high- and a low-density material. (ucf.edu)
  • After freeze drying, the structure of the supraparticles was studied with high-angle annular dark-field scanning transmission electron microscopy (HAADF-STEM) tomography and secondary electron scanning transmission electron microscopy (SE-STEM). (colloid.nl)
  • In addition to these analytical methods, we employ advanced X-ray scattering techniques, nano-Fourier transform infrared (nano-FTIR) spectroscopy, and high-angle annular dark-field scanning transmission electron microscopy (HAADF-STEM) to further analyze the structure and chemical composition at the perovskite surface after treatment at nanoscale spatial resolution. (neaspec.com)
  • The effect of Cu-addition on age-hardening and precipitation have been investigated by hardness measurement, tensile test, high resolution transmission electron microscopy (HRTEM) and high angle annular dark field scanning transmission electron microscopy (HAADF-STEM) techniques. (elsevierpure.com)
  • High-Angle Annular Dark-Field Scanning Transmission Electron Microscopy (HAADF-STEM) confirmed the arrangement of Co atoms on crystal faces with varying morphologies, allowing us to identify 5-coordinated and 3-coordinated Co sites on cubic and octahedral Co(CN) 3 surfaces, respectively. (nature.com)
  • Quantitative structural analysis obtained by Cs-corrected high-angle annular dark-field scanning transmission electron microscopy (HAADF-STEM) confirmed transition from ternary Ti2SnC to binary Ti0.98C carbide due to irradiation-induced β-Sn surface segregation. (cas.cz)
  • The nanoindentation of Ti2SnC thin nanocrys-talline films and Ti2SnC polycrystalline powders shows that irradiation did not affect significantly their mechanical properties when concerning their hardness (H) and Young's modulus (E) We high-lighted the importance of the HAADF-STEM techniques to track atomic pathways clarifying the behavior of Sn atoms at the proximity of irradiation-induced nanoscale defects in Ti2SnC thin films. (cas.cz)
  • The as-prepared Ag-loaded Sb2WO6 microspheres were characterized by X-ray diffraction (XRD), scanning electron microscope (SEM), high-resolution transmission electron microscopy (HRTEM), high angle annular dark-field transmission electron microscopy (HAADF-STEM), energy-dispersive X-ray spectroscopy (EDS), X-ray photoelectron spectroscopy (XPS), UV-Vis diffuse reflectance spectroscopy (UV-DRS) and the Brunauer-Emmett-Teller (BET) method. (oulu.fi)
  • The fine-leaved surface structure is characterized by high-resolution transmission electron microscopy techniques (HRTEM, STEM), using a high-angle annular dark field detector, as well as by differential phase contrast analysis. (uni-paderborn.de)
  • Annular dark-field imaging is a method of mapping samples in a scanning transmission electron microscope (STEM). (wikipedia.org)
  • In contrast, STEM dark-field imaging does not use an aperture to differentiate the scattered electrons from the main beam, but uses an annular detector to collect only the scattered electrons. (wikipedia.org)
  • Consequently, the contrast mechanisms are different between conventional dark field imaging and STEM dark field. (wikipedia.org)
  • Annular dark field imaging is also commonly performed in parallel with energy-dispersive X-ray spectroscopy acquisition and can be also done in parallel to bright-field (STEM) imaging. (wikipedia.org)
  • High-angle annular dark-field imaging (HAADF) is an STEM technique which produces an annular dark field image formed by very high angle, incoherently scattered electrons (Rutherford scattered from the nucleus of the atoms) - as opposed to Bragg scattered electrons. (wikipedia.org)
  • For imaging on a TEM/STEM, optimum HAADF imaging is provided by TEM/STEM systems with a large maximum diffraction angle and small minimum camera length. (wikipedia.org)
  • The chemical composition of four Si 1-x Ge x layers grown on silicon was determined from quantitative scanning transmission electron microscopy (STEM). (uni-bremen.de)
  • This thesis focuses on combining Scanning ElectroChemical Cell Microscopy (SECCM) and aberration-corrected High Angle Annular Dark Field (HAADF) Scanning Transmission Electron Microscopy (STEM) to obtain new insights into the relationship between the structure and electrochemical properties of nanoscale platinum. (bham.ac.uk)
  • Intriguing phenomena arising at the atomic scale have been found in functional complex oxide materials in recent years due to significant progress in technical and methodological development in scanning transmission electron microscopy (STEM). (mrs.org)
  • New possibilities for direct visualization of light elements have become feasible with introduction of the annular bright-field (ABF)-STEM technique [1]. (mrs.org)
  • Simultaneous acquisition of high-angle annular dark-field (HAADF)- and ABF-STEM images has enabled combined imaging of materials systems consisting of light and heavy elements. (mrs.org)
  • High-angle annular dark-field scanning transmission electron microscopy (STEM-HAADF) was used to follow the synthesis steps. (bertweckhuysen.com)
  • A method for the direct measurement of the volume and thickness of nanomaterials has been developed in the project using High-Angle Annular Dark-Field (HAADF) Scanning Transmission Electron Microscopy (STEM). (ucf.edu)
  • Recently, the maximum a posteriori (MAP) probability rule has been proposed as an objective and quantitative method to detect atom columns and even single atoms from high-resolution high-angle annular dark-field (HAADF) scanning transmission electron microscopy (STEM) images. (uantwerpen.be)
  • In this study, Al/Ga incorporation in a strain-balanced InAlAs/InGaAs superlattice (SL) on InP is characterized as a function of layer thickness, keeping the composition constant, using high-angle annular dark-field (HAADF) scanning transmission electron microscopy (STEM) and Atom Probe Tomography (APT). (northwestern.edu)
  • The Ames Lab research group was able to directly capture images of fine details in unstained DNA origami nanostructures using a particular type of scanning transmission electron microscopy called high- angle angular annular dark field STEM. (nanotechnologyworld.org)
  • The present work studies the effect of silver nanoparticles in the range of 1-100 nm on Gram-negative bacteria using high angle annular dark field (HAADF) scanning transmission electron microscopy (STEM). (nau.edu)
  • The magnetic domain structure was mapped using differential phase contrast imaging (STEM DPC) and magnetic-force microscopy (MFM). (elsevierpure.com)
  • Annular dark field STEM images of graphene ribbon arrays sculpted in a reproducible way by using a script-controlled electron beam at elevated temperature. (denssolutions.com)
  • The Tecnai TF-30 is a transmission electron microscope (TEM) that can also be operated in scanning transmission electron microscopy (STEM) mode, with a voltage range of 50 to 300 kV. (caltech.edu)
  • The TF-30 is also equipped with a high-angle annular dark field (HAADF) detector for use in STEM mode, and an energy dispersive spectroscopy (EDS) detector for compositional analysis (in both TEM mode and, most often, in STEM mode). (caltech.edu)
  • The high maximum diffraction angle allows for good separation between Bragg and Rutherford scattered electrons, therefore it is important for the maximum diffraction angle of the microscope to be as large as possible for use with HAADF. (wikipedia.org)
  • Cross-sections of multilayered samples provided by Triquint Semiconductors, FL, were analyzed as calibration standards with known composition in a TECNAI F30 transmission electron microscope to study the dependence of the HAADF detector signal on sample thickness and temperature. (ucf.edu)
  • We list below instrumentation and equipment meant to be added to or work together with an existing electron microscope. (soquelec.com)
  • The as-prepared materials were characterized by powder X-ray diffraction (XRD), Scanning Electron microscope (SEM), Transmission Electron microscope (TEM), X-ray photoelectron spectroscope (XPS), Fourier Transform Infrared Spectroscopy (FT-IR) and N 2 adsorption-desorption experiments, respectively, demonstrating the formation of interfacial interaction and heterogeneous structure in LaNiO 3 /g-C 3 N 4 nanocomposites. (biomedcentral.com)
  • Isothermal crystallization of amorphous Ge deposited on a cubic Fe3Si/GaAs(001) substrate is performed by in situ annealing within a transmission electron microscope. (tib.eu)
  • Fundamental Insights into the Radium Uptake into Barite by Atom Probe Tomography and Electron Microscopy. (wikipedia.org)
  • Electron tomography is a powerful tool in materials science to characterize nanostructures in three dimensions (3D). (tudelft.nl)
  • Electron tomography, especially EDS tomography, is an ill-posed inverse problem whose solution is not stable and unique. (tudelft.nl)
  • HAADF) scanning transmission electron microscopy imaging and imaging-type computed tomography (CT) techniques. (elsevierpure.com)
  • The Serial EM program allows for automated collection of images at variable tilt angles for performing tomography. (caltech.edu)
  • These images are formed by collecting scattered electrons with an annular dark-field detector. (wikipedia.org)
  • An annular dark field detector collects electrons from an annulus around the beam, sampling far more scattered electrons than can pass through an objective aperture. (wikipedia.org)
  • This gives an advantage in terms of signal collection efficiency and allows the main beam to pass to an electron energy loss spectroscopy (EELS) detector, allowing both types of measurement to be performed simultaneously. (wikipedia.org)
  • Because of this, the HAADF detector senses a greater signal from atoms with a higher Z, causing them to appear brighter in the resulting image. (wikipedia.org)
  • A small camera length is needed for the Rutherford scattered electrons to hit the detector, while avoiding the detection of Bragg scattered electrons. (wikipedia.org)
  • A small camera length will cause most of the Bragg scattered electrons to fall on the bright field detector with the transmitted electrons, leaving only the high angle scattered electrons to fall on the dark field detector. (wikipedia.org)
  • NEW Gatan Monarc CL detector dramatically boosts sensitivity and spectral resolution, empowering the most complete CL analysis to date with unique wavelength- and angle-resolved capabilities. (soquelec.com)
  • Using quantitative scanning transmission electron microscopy in combination with ab initio calculations, we are able to characterize the transition between different equilibrium geometries of a germanium cluster consisting of less than 25 atoms. (nature.com)
  • From the hardware perspective, high-resolution imaging methods now routinely resolve atomic positions with approximately picometer precision, allowing for quantitative measurements of individual bond lengths and angles. (springeropen.com)
  • Even though TEM observations can now be made at lower acceleration voltages or while cooling the sample, still, an intrinsic energy transfer from the impinging electron beam to the sample cannot be fully avoided. (nature.com)
  • For elements with a higher Z, more electrons are scattered at higher angles due to greater electrostatic interactions between the nucleus and electron beam. (wikipedia.org)
  • Under the electron beam, structural changes of the clusters are observed and the movement of single Ge atoms on the carbon support can be followed. (nature.com)
  • Cathodoluminescence (CL) is the emission of photons of characteristic wavelengths in the visible spectrum which is caused by the interaction of the electron beam with a sample. (soquelec.com)
  • By measuring the energy lost by the electron beam in its interaction with the sample it is possible to obtain chemical and elemental information with high energy resolution. (soquelec.com)
  • In order to avoid beam damage, images of such materials are usually acquired using a limited incoming electron dose resulting in a low contrast-to-noise ratio (CNR) which makes visual inspection unreliable. (uantwerpen.be)
  • Erbium oxide (Er2O3) films, as a promising high-k gate dielectric, were deposited on Si (001) substrates by laser molecular beam epitaxy by two step method. (imr.ac.cn)
  • Here, we reveal a temperature-dependent self-repair mechanism that allows near-damage-free atomic-scale sculpting of graphene using a focused electron beam. (denssolutions.com)
  • We demonstrate that by sculpting at temperatures above 600 C, an intrinsic self-repair mechanism keeps the graphene in a single-crystalline state during cutting, even though the electron beam induces considerable damage. (denssolutions.com)
  • Self-repair is mediated by mobile carbon ad-atoms that constantly repair the defects caused by the electron beam. (denssolutions.com)
  • Graphene, carbon nanotube and other soft-mater materials suffers irradiation damage caused by high energy electron beam during TEM characterization. (denssolutions.com)
  • The e-beam damage limits the observation time or observation electron beam condition, thus requiring a way to prevent. (denssolutions.com)
  • DENSsolutions heating system provides the extreme high stability of sample at elevated temperature (sample spatial drift less than 0.5nm/min) At the elevated temperature, the e-beam induced defects of the sample can be repaired with a corresponding speed, therefore, provides an extra parameter for control of e-beam damage. (denssolutions.com)
  • Top left: Piezoresponse force microscopy images of ferroelectric domains in lithium niobate. (ieee.org)
  • Bottom left: Conducting atomic force microscopy images of ferroelectric domains in lithium niobate. (ieee.org)
  • Top right: Piezoresponse force microscopy images of a lithium niobate thin film. (ieee.org)
  • Up until now, such level of detail of DNA origami structures was inaccessible without using chemical stains or resorting to atom force microscopy imaging. (nanotechnologyworld.org)
  • Our unique combination of advanced synthesis skills, high-range electron microscopy, and in-situ characterization tools allowed the level of control required. (bertweckhuysen.com)
  • Results of high-angle annular dark-field scanning transmission electron microscopy, in situ scanning Kelvin probe microscopy characterization, and phase-field simulations all indicate that the much enhanced EC performances can be attributed to the all-scale hierarchical structures of the nanocomposite. (psu.edu)
  • Carbon-coated Transmission Electron Microscopy (TEM) grids were utilised as substrates for electrochemical experiments, which were performed with SECCM probe tips with diameters of ca. 1 μm, forming electrochemical cells with a working electrode areas in the μm\(^2\) scale. (bham.ac.uk)
  • The electrochemical deposition of platinum onto carbon-coated TEM grids was investigated employing a high-throughput methodology in which the SECCM probe is sequentially brought into contact with the substrate, and where experimental parameters can be systematically varied with each landing. (bham.ac.uk)
  • The development of electron and scanning probe microscopies in the second half of the twentieth century has produced spectacular images of the internal structure and composition of matter with nanometer, molecular, and atomic resolution. (springeropen.com)
  • They allow scientists to measure elemental composition or crystallography, probe valence band transitions, count single electrons in EM images or perform in-situ experiments at unprecedented acquisition rates. (soquelec.com)
  • Using a 3-axis Hall probe we determine the amplitude of magnetic field generated by the induced persistent currents and its direction with respect to the applied field. (magnetometry.eu)
  • A high sensitivity cryogenic Hall probe is placed close to the surface to record the local magnetic induction normal to the surface. (magnetometry.eu)
  • abstract = "Composed of electrocaloric (EC) ceramics and polymers, polymer composites with high EC performances are considered as promising candidates for next-generation all-solid-state cooling devices. (psu.edu)
  • We provide software solutions for automation, data handling, analysis, simulation and 3D reconstruction as well as supporting software for special techniques such as correlative microscopy, gun shot residue analysis, lithography, and more. (soquelec.com)
  • Atomically thin materials such as graphene have drawn attention for how electrons can race in them at exceptionally quick speeds, leading to visions of advanced new electronics. (ieee.org)
  • Magnetization By Partial Dehydrogenation Of The Sheet (Neek-Amal AndPeeters,2011)werereported.Experimentally,adsorption Of Hydrogen On Graphene Was Indeed Observed To Result In A Gap Opening In The Electron States (Elias Et Al. (unpad.ac.id)
  • reported that graphene-encapusulated LaNiO 3 nanoreactor perform high photocatalytic activity for water splitting that was 12 times higher than that of pure LaNiO 3 [ 34 ]. (biomedcentral.com)
  • This is the first utilization of advanced analytical electron microscopy methods, including high-resolution transmission electron microscopy, high-angle annular dark field scanning transmission electron microscopy, electron energy loss spectroscopy, and energy-dispersive X-ray spectroscopy mapping to characterize the organ-specific bioprocessing of a relatively inert nanomaterial (nano ceria). (cdc.gov)
  • In this dissertation, microstructures and microanalysis of several functional thin films were investigated by means of high resolution (scanning) transmission electron microscopy, high-angle annular dark-field imaging, X-ray energy dispersive spectroscopy, electron energy loss spectroscopy and energy filtered imaging. (imr.ac.cn)
  • Carbide/binder grain boundaries in a FIB lamella prepared from the WC-Co-Re cemented carbide were examined by high-angle annular dark field scanning transmission electron microscopy and energy dispersive X-ray spectroscopy at a high resolution. (lettersonmaterials.com)
  • Additionally, atomically resolved high-angle annular dark-field scanning transmission electron microscopy and energy-dispersive X-ray spectroscopy demonstrated that the vertical lattice spacing of the Ge sublattice reduces across vacancy layers, indicating that strain minimization plays a role in the phase transition process. (tib.eu)
  • The chemical microstructure was determined using high-angle annular dark field imaging (HAADF) and energy-dispersive X-ray spectroscopy (EDXS) elemental mapping. (elsevierpure.com)
  • The structure formation is studied by various time-dependent ex situ methods, such as scanning electron microscopy, x-ray diffraction, and Raman spectroscopy. (uni-paderborn.de)
  • Furthermore, cross sectional scanning TEM imaging reveals that even comparatively stable materials like MoSe 2 and WSe 2 have different interlayer separation when exfoliated in a glove box compared to fabrication in air [5]. (mrs.org)
  • Analytical high-resolution electron microscopy reveals organ-specific nanoceria bioprocessing. (cdc.gov)
  • The use of thick samples reveals an increased signal at the interfaces of high- and low-density materials. (ucf.edu)
  • This high dependence on Z (with contrast approximately proportional to Z2) makes HAADF a useful way to easily identify small areas of an element with a high Z in a matrix of material with a lower Z. With this in mind, a common application for HAADF is in heterogeneous catalysis research, as determination of the size of metal particles and their distribution is extremely important. (wikipedia.org)
  • The contrast is lower in the experiments, and it has been suggested previously that this follows because the background is higher in the experiments. (monash.edu)
  • Due to their chemical makeup, the DNA nanostructures are difficult to image, with conventional electron microscopy sample preparation methods crushing or flattening the samples, or using a contrast stain that introduces other materials into the sample, possibly altering their surface chemistry and properties. (nanotechnologyworld.org)
  • This choice of substrate allows growth at an exceptionally high temperature of 1180 °C. In contrast to previous reports, the NWs are well separated and do not suffer from pronounced coalescence. (tib.eu)
  • Recent advances in the field of transmission electron microscopy (TEM) enable one to obtain two-dimensional (2D) images with a spatial resolution of up to 50 pm. (nature.com)
  • Micrographs with dimensions of \( \approx 10^4\) nm\(^2\) were employed to obtain statistical data about the size and spatial distribution of the Pt NPs, and high magnification images, with subatomic resolution, were utilised to obtain mechanistic information about the studied systems. (bham.ac.uk)
  • Atom column intensities of silicon single crystals oriented along different crystallographic orientations are compared in experimental and simulated high-angle annular dark-field images in scanning transmission electron microscopy. (monash.edu)
  • CCD or CMOS based digital cameras to acquire images in Transmission Electron Microscopy. (soquelec.com)
  • With the help of a collaborator from University of Pittsburgh, the team was also able to obtain a 2-D average image from a subset of lower-magnification images classified in a number of classes and calculated by using a specialized routine employed by the cryo-electron microscopy community. (nanotechnologyworld.org)
  • Light microscopy images of two colon cancer cell lines (SW480, SW620) showed, that the laser irradiation combined with PtAu NRs caused visible changes in the cell morphology. (biomedcentral.com)
  • The chemical analysis was performed by a comparison of the high-angle annular dark field (HAADF) intensity with multislice simulations. (uni-bremen.de)
  • The [001] domains and the lattice strain of the (111) plane in the direction of parallel to the electric field increase in the process of simultaneous rise in the electric field and temperature, and rapidly decrease in the process of the field drop. (go.jp)
  • Some primary evidence on electric field effect on crystallization temperature of phase-change films is provided. (spie.org)
  • This produces local minima in the resistivity up to high magnetic fields (2.2 T) in a broad temperature range due to commensurability effects between the pinning potential and the vortex lattice. (beilstein-journals.org)
  • We report the generation of room temperature microwave oscillations from GaN/AlN resonant tunneling diodes, which exhibit record-high peak current densities. (aip.org)
  • The room temperature current-voltage characteristics exhibit a record-high maximum peak current density of ∼220 kA/cm 2 . (aip.org)
  • Their mass application is limited by the low EC strength, which requires very high operational voltage to induce appreciable temperature change. (psu.edu)
  • The behavior of the domain orientation and lattice strain in the lead zirconate titanate (PZT)-based ceramics with a tetragonal structure during the novel power generation cycle combining electric field and temperature change were investigated. (go.jp)
  • The alignment of the domain orientation by the electric field and its randomization by the higher temperature during the cycle are critical features of the current power generation system. (go.jp)
  • In addition, the n-ZnS/p-CuSCN composite film is stable at room temperature, which indicates its great potential as a high-performance UV photodetector. (lightpublishing.cn)
  • These advanced analytical electron microscopy methods were applied to elucidate the organ-specific cellular and subcellular fate of nanoceria after its uptake. (cdc.gov)
  • The research is further discussed in the paper, 'Imaging of Unstained DNA Origami Triangles with Electron Microscopy,' published in Small Methods . (nanotechnologyworld.org)
  • In this study, the magnetic domain structure as well as the evolution of the microstructure of spinodally decomposed Cu52Ni34Fe14 alloys is investigated with various modern (scanning) transmission electron microscopy ((S)TEM) methods. (elsevierpure.com)
  • However, mapping the magnetic domain structure is rarely accomplished even though it is of major interest for both, fundamental research as well as applications using such alloys.In this study, the magnetic domain structure as well as the evolution of the microstructure of spinodally decomposed Cu52Ni34Fe14 alloys is investigated with various modern (scanning) transmission electron microscopy ((S)TEM) methods. (elsevierpure.com)
  • The large maximum diffraction angle is necessary to account for materials that show Bragg scattering at high angles, such as many crystalline materials. (wikipedia.org)
  • To study how the structure of the more complex supraparticles is affected by the spherical confinement, work is in progress by advanced electron microscopy, 3D particle fitting technique and computer simulations. (colloid.nl)
  • Journal of Electron Microscopy Technique. (wikipedia.org)
  • Transmission electron microscopy (TEM) is the only technique able to characterize the nature of buried interfaces in these engineered van der Waals crystals and hence to provide insights into their optical, electronic and mechanical properties. (mrs.org)
  • Transmission Electron Microscopy (TEM) is a reliable tool for chemical and structural studies of nanostructured systems. (ucf.edu)
  • Conventional TEM dark-field imaging uses an objective aperture in order to only collect scattered electrons that pass through. (wikipedia.org)
  • Nanoscale localized contacts for high fill factors in polymer-passivated perovskite solar cells. (oejournal.org)
  • The high sensitivity of GMR sensor gives us to accurately measure the magnetic properties of ferrofluid in a weak magnetic field. (magnetometry.eu)
  • Many CuSCN nanofilm photodetectors have been reported to have high UV sensitivity and stability. (lightpublishing.cn)
  • Bottom right: Cross-sectional high-angle annular dark-field scanning transmission electron microscopy image of ferroelectric domains in lithium niobate. (ieee.org)
  • In the implantable cardiac defibrillator battery, lithium ions and electrons displace silver ions from vanadium oxides as silver metal. (valpo.edu)
  • The high resolution gives it an advantage over the detection of back scattered electrons (BSE), which can also be used to detect materials with a high Z in a matrix of material with a lower Z. HAADF imaging typically uses electrons scattered at an angle of >5° (Rutherford scattered electrons). (wikipedia.org)
  • However we find that even when fabricated in an inert atmosphere, NbSe 2 monolayers contain point defects that can be observed by high resolution TEM [4]. (mrs.org)
  • With the development of modern high resolution transmission electron microscopy and high spatial resolution analytical microscopy, it is highly possible to study the structures and compositions of the interface of thin films at an atomic or/and nano scale. (imr.ac.cn)
  • Opto-Electron Sci 1, 220014 (2022). (oejournal.org)
  • WEI Yao-qi,QUAN Jia-le,ZHAO Qing-qiang,et al.A Stable UV Photodetector Based on n-ZnS/p-CuSCN Nanofilm with High On/Off Ratio[J].Chinese Journal of Luminescence,2022,43(06):911-9211. (lightpublishing.cn)
  • It is also possible to filter electrons based on their energy loss and thus create an elemental map or improve image quality by removing inelastically scattered electrons. (soquelec.com)
  • In addition, we wish to convey our profound gratitude to Associate Research Fellow Juncai Dong at the Institute of High Energy Physics, Chinese Academy of Sciences. (nature.com)
  • In PTT, nanoparticles are delivered to the tumor cells and subsequently exposed to light at the NPs resonant energy, causing synchronized oscillation of the NPs conduction-band electrons, what results in heat production [ 6 ]. (biomedcentral.com)
  • Advances in imaging technology in the beginning of the twenty-first century have opened the proverbial floodgates on the availability of high-veracity information on structure and functionality. (springeropen.com)
  • There are a lot of studies, which showed non-toxicity of NPs, as well as high number of publications showing a cytotoxic effect of nanoparticles on the cells. (biomedcentral.com)
  • A database of several pure elements is compiled to illustrate the absorption coefficients and fractions of scattered electrons per nanometer of the sample. (ucf.edu)
  • Moreover, due to high extinction coefficients in the NIR region of Au NPs and Pt NPs, these nanostructures can be used in photothermal therapy [ 13 ]. (biomedcentral.com)
  • Instead, it can be assumed that the most hydrogen was partitioned to nano voids in strain localization regions during deformation due to its high density. (elsevierpure.com)
  • This effect can be explained by the transfer of scattered electrons from the high density material across the interface into the less-absorbing low-density material. (ucf.edu)
  • Higher hardness, strength, and lower elongation were caused by increasing amount of Zn + Mg because of increased number density of precipitates. (elsevierpure.com)
  • However, unlike any other 2D electronic material, applied electric or magnetic fields can readily create, move, and annihilate domain walls inside materials. (ieee.org)
  • In this work, we study, at T = 77 K, the long term influence of transverse ac magnetic fields of small amplitudes (i.e. much smaller than the full penetration field) on the axial magnetization of a bulk single grain superconducting GdBCO pellet over a wide range of low frequencies (1 mHz-20 Hz). (magnetometry.eu)
  • 16 16 ] constructed a Cs 2 AgBiBr 6 /CuSCN photodetector with a high detectivity(1.03×10 13 Jones) and high photocurrent(7×10 -7 A), but the on/off ratio is still not ideal. (lightpublishing.cn)
  • The SECCM setup provided a high mass-transport system with a three-phase (gas-liquid-solid) configuration, which mimics fuel cell conditions. (bham.ac.uk)
  • Phase holographic microscopy for live cell imaging. (lu.se)
  • The improved scheme of data recording process on an optical disc based on a substrate made of high-stable materials has been proposed. (spie.org)
  • Electron diffusion can lead to the establishment of built-in electric field inside the superlattice-like films, which causes the change of band structures of two constituent materials and long-range coupling of superlattice-like films, further change of physical parameters. (spie.org)
  • The iron oxide-zeolite ZSM-5 double-shell hierarchical systems were found to selectively produce gasoline range molecules at high conversion and outperforms existing and other reference catalyst materials. (bertweckhuysen.com)
  • The permanent magnetization of such materials, however, can be significantly affected by the application of several cycles of a transverse variable magnetic field. (magnetometry.eu)
  • The high crystalline quality of the NWs is evidenced by the observation of near-band-edge emission in the cathodoluminescence spectrum. (tib.eu)
  • In the present work we study experimentally the detailed magnetic response of two different configurations of the magnetic shields for various orientations of the applied field. (magnetometry.eu)
  • Dynamical diffraction processes play an important role in electron scattering for larger sample thicknesses. (ucf.edu)
  • In this study, Prof. Xiaoming Sun's team, the Nanochem Group at Beijing University of Chemical Technology, reports a new type of catalyst: Co(CN) 3 micro-crystals with both well-defined active sites and high site densities, addressing the issues in traditional M-N-C catalysts. (nature.com)
  • In the amplitude and frequency range investigated, the thermocouples measurements and a 2D magneto-thermal modelling show no evidence of sufficient self-heating to affect the magnetization so that the effect of the transverse magnetic field cycles on the trapped magnetic moment is only attributed to a redistribution of superconducting currents in the volume of the sample and not to a thermal effect. (magnetometry.eu)
  • Background To Allow Viewing Of Small Unstained Objects, Such As Motile Bacteria, That Would Be Difficult To View In A Bright Field. (unpad.ac.id)
  • One Of The Main Characteristics Of MJs In Comparison To Large QDs Is The Strong Coupling Of Electrons To The Vibrations Of Molecule. (unpad.ac.id)
  • Hence, the development of catalysts boasting well-defined active sites and maintaining high active site densities stands as an essential yet formidable challenge. (nature.com)
  • Electron diffusion between two different constituent layers should be considered, as done in semiconductor superlattice structures. (spie.org)
  • 40um Cu ???? ä? ???? ?? roughness 򸫤 ?? AFM Scanning White Light Interferometry Ȥ ��ˡ scaling § �ѻ Ƥ 롣4 夯 餤 scale �� 18% 餤 strain ޤǴѻ �� 롣 Hurst dim. (seikei.ac.jp)
  • Zeiss AxioImager.Z1 (upright), XY scanning table, X-Cite illumination, Hamamatsu C9100-02 EM-CCD camera, Volocity 3DM software, Micropoint Laser system. (lu.se)
  • Both powder x-ray diffraction and high angle annular dark field scanning transmission electron microscopy imaging were utilized to characterize electrodes before and after reduction. (valpo.edu)
  • The shield of SiO 2 shell avoids the dark reaction originating from electron transfer between Au NPs and MB molecules. (spie.org)