Articles tagged with Transmission Electron Microscopy
Scientists at Georgia Institute of Technology observe unprecedented atomic processes that dictate mechanical behavior in metals. They develop novel methods to visualize grain boundary sliding, revealing previously unknown movements and accommodating transferred atoms through adjusting grain boundary structures.
Scientists observe atomic magnetic field and origin of magnetism in iron atoms using Magnetic-field-free Atomic-Resolution STEM (MARS) and Differential Phase Contrast (DPC) method. This breakthrough enables research and development of various magnetic materials and devices.
A new method using Monte Carlo simulations enables researchers to study radiation-sensitive soft nanomaterials in organic solvents for the first time. The technique allows for the creation of a method to test the suitability of any solvent, providing valuable insights into these dynamic systems.
Researchers used advanced technology to study dopamine neuron structure, addiction, and brain recovery in mice exposed to cocaine. The study found changes in axon branching and the formation of huge swellings at various locations along the axon, providing new insights into dopamine transmission and addiction.
Scientists successfully demonstrated efficient electron beam modulation using integrated photonic microresonators, paving the way for atomic-scale imaging and coherent spectroscopy.
A team of researchers from NIMS and JEOL have developed a lanthanum hexaboride (LaB6) nanowire-based field emission gun for high-resolution transmission electron microscopy. The gun achieves an energy resolution of 0.2 eV, enabling atomic-level observation.
Researchers have successfully manipulated a single skyrmion, a tiny magnetic vortex, at room temperature using pulses of electric current. The team used Lorentz transmission electron microscopy to track the motion of the skyrmion and control its direction with ultrafast pulses of electricity.
Researchers from Peking University developed a new technique using 4D-EELS to measure phonon modes at heterointerfaces, directly observing localized phonon modes for the first time. This breakthrough enables better understanding and control of solid interfaces' properties.
Rice University researchers have developed a method to control the growth of tetrahedron-shaped nanoparticles, which can be used as building blocks for unique metamaterials. The team discovered that balancing thermodynamic and kinetic forces during crystallization allows for symmetry breaking, forming pyramid-shaped nanocrystals.
A new study refutes a long-standing explanation for low energy efficiency in lithium-ion batteries, suggesting that voltage hysteresis is caused by reversible electron transfer between oxygen and transition metal atoms. This phenomenon could be mitigated through manipulation of electron transfer barriers.
A team of neuroscientists has released a detailed wiring diagram of 200,000 brain cells and 500 million synapses in a cubic millimeter chunk of mouse brain. The dataset captures 3D shapes and activity of neurons in stunning detail and is open to community research.
Sergei Kalinin, a senior distinguished member at the Microscopy Society of America, has been elected as a Fellow. He is recognized for his pioneering work in quantitative scanning probe and scanning transmission electron microscopy. His research focuses on applying artificial intelligence to advanced electron and scanning probe microsc...
An international team has developed a way to image the interface between 2D and 3D materials, revealing details of atomic configurations and orientations. This breakthrough enables control over the electronic properties of atomically thin materials.
Researchers from Skoltech and international partners study crystal structure and optical properties of new two-dimensional compounds for energy conversion. The study used advanced imaging equipment to analyze the material's structure, leading to potential improvements in photocatalytic activity.
Scientists use low-noise magnetic measurements to detect giant magnetofossils in bulk sediment samples, shedding light on ancient environments and organisms' physiology. The high-coercivity signature identified is consistent with needle-shaped fossils found in sediments, providing new insights into the geological record.
Scientists have developed a method to control the activity of chemical catalysts using sculpted light, which can lead to faster or more efficient reactions. By manipulating the location of reactive sites on the catalyst, researchers can optimize the performance of single catalysts and avoid unwanted reactions.
Lehigh University researchers are transforming an aberration-corrected scanning transmission electron microscope (STEM) into a synchrotron facility, expanding scientists' ability to characterize material composition and bonding status down to the single-atom level. The new system will have capabilities up to ~13,000 eV and enable the i...
Researchers at University of Konstanz and Ludwig-Maximilians-Universität München develop a prototypical attosecond electron microscope (A-TEM) that enables visualization of light-matter interactions at attosecond speeds. This breakthrough can facilitate the exploration of atomic origins of light-matter interactions in complex materials...
Researchers used Lorentz transmission electron microscopy to observe complex vortex-like magnetic structures in a Kagome crystal. The study suggests that 3D magnetic structures play a crucial role in understanding these configurations and provides an experimental proof of their existence.
A study by researchers at KAUST reveals that image artifacts from astigmatism can misidentify crystal phases in 2D semiconductors, affecting the accuracy of scanning transmission electron microscopy. The team demonstrated that these effects can be mitigated using specific beam configurations.
A national-level study found that converting high-value research hardware to free and open-source designs can save Finland millions of Euros annually. The study suggests this approach could strengthen the country's atomic layer deposition and nano-scale imaging research excellence.
Scientists have developed a new method to test microscopic aeronautical materials at ultra-high temperatures, using electron microscopy and laser heating. This breakthrough reduces the time and expense required for such tests, paving the way for the development of new materials for commercial applications.
Researchers have developed a retrofit to transform transmission electron microscopes into high-speed cameras, capturing processes on the atomic scale. The 'beam chopper' technology enables laboratories to investigate super-fast phenomena without expensive laser systems or specialized expertise.
Osaka University researchers use in situ environmental transmission electron microscopy to visualize atomic dynamics on metal surfaces under atmospheric conditions. They track progressive changes at the surface of gold electrodes during oxidation reactions, providing new insights into materials science.
Researchers have developed a new technique to study dynamic nanomaterials, allowing them to witness their formation and growth in real-time. This breakthrough enables better understanding of metal-organic nanotubes' properties and potential applications.
Researchers at Chalmers University of Technology have made the surface of a gold object melt at room temperature, opening up new avenues in materials science. The discovery enables various novel practical applications, including sensors, catalysts, and transistors.
Matt Jones will use the grant to develop techniques in liquid cell transmission electron microscopy (TEM) to view chemical processes in real time at the atomic scale. He aims to capture video of nanocrystal synthesis, protein biofouling and catalysis itself.
A new microscopy technique allows researchers to visualize liquids at the nanoscale level, revealing unique properties of water and heavy water. The technique uses a specialized sample holder to trap tiny amounts of liquid, enabling high-resolution imaging and spectroscopy techniques.
Researchers have successfully mapped the adult fruit fly brain in unprecedented detail, tracing the path of neurons to any other neuron throughout the entire brain. The high-resolution digital snapshot has also revealed a new cell type and other surprises, including tightly bundled olfactory projection neurons.
Researchers have developed a new transmission electron microscopy technique that can determine the 3D position of individual atoms with atomic resolution. The technique uses image intensity measurements to reconstruct the atomic potentials, allowing for more quantitative reconstruction of weakly scattering samples.
A new device has been developed to reduce radiation exposure in nanoscale-level imaging of living cells, allowing for more accurate and undamaged images. This innovation enables the study of biological, chemical, and materials science samples in their near-native environments.
Researchers developed an LC-TEM device to study the impacts of high-energy electron bombardment on nanoparticles and sensitive biological samples. The team successfully captured pristine images of cells using their multi-chamber device, revealing the effects of electron irradiation on cell dynamics.
The KAUST team has developed a methodology for acquiring atomic-resolution images of beam-sensitive materials, such as metal organic frameworks, using transmission electron microscopy. This enables the precise alignment and determination of defocus values, reducing the procedure to a near-routine process.
Researchers at OIST Graduate University develop a method to image organic compounds in water vapor, avoiding the need for freezing or using thin windows. This approach enables ultrahigh resolution imaging and tilts samples for three-dimensional views.
EPFL researchers have developed a scanning transmission electron microscopy (STEM) method to generate fast and reliable 3D images of complex curvilinear structures. This tilt-less 3D electron imaging technique can acquire images in a single shot, opening up new avenues for real-time 3D imaging of dynamic material and biological processes.
A recent study has made a breakthrough in developing better batteries via real-time transmission electron microscopy (TEM) observation. The research team successfully hermetically encapsulated sulfur particles using two-dimensional materials like molybdenum disulfide, preventing leakage and sublimation. This innovation could lead to im...
Scientists at the University of Vienna created a hybrid carbon system with graphene sheets enclosing fullerenes. This setup allows for the observation of fullerene diffusion and rotation within the graphene sandwich, providing new insights into molecular dynamics.
Researchers have discovered how oxygen blows bubbles inside a lithium-air battery when it discharges, a crucial step towards improving the technology. The findings, published in Nature Nanotechnology, propose a new mechanism for bubble formation that could lead to smaller and more stable batteries.
A team of MSU scientists mapped a giant Samba virus using DIY cryo-electron microscopy technology, revealing its structure and biological mechanisms. The breakthrough could lead to new treatments for diseases caused by similar viruses.
Researchers at Oak Ridge National Laboratory develop direct-write technology to create nanoscale patterns in metallic ink, allowing for tailored material properties and customized architectures. The technique uses a scanning transmission electron microscope to control the deposition of metal onto a silicon microchip.
Scientists developed a new X-ray microscopy technique to image nanoscale changes in lithium-ion battery particles as they charge and discharge. The real-time images reveal non-uniform charging processes that curbs battery performance over time, offering insights to improve batteries for electric vehicles and smartphones.
The researchers will examine rapid solidification processes in aluminum alloys associated with laser or electron beam processing technologies. They hope to discover the mechanisms of how alloy microstructures evolve during solidification after laser melting, validating computer models and optimizing manufacturing processes.
A research team has demonstrated that energy-filtered transmission electron microscopy (EFTEM) can be used to image individual electron orbits within atoms. This technique allows for penetration down to the subatomic level, opening up new possibilities for the study of atomic structures.
Chinese researchers have developed a new in situ transmission electron microscopy (TEM) technique that offers powerful functionality to understand atomic-scale structure and its correlation with physical and chemical properties. The technique has potential applications in smart windows, energy management, and environmental protection.
Researchers at ORNL developed a unique electron microscopy technique to sculpt 3D structures with precise control, enabling the creation of functional nanoscale devices. The method uses scanning transmission electron microscopes to precision-control shapes as small as one to two billionths of a meter.
A team of scientists created a microscope that can examine a full working battery in action, revealing how recharging leads to microscopic debris and cracks. The study aims to design cheaper and more powerful rechargeable batteries using metals like magnesium or aluminum.
Researchers have successfully imaged the formation and growth of lithium dendrites, which can cause battery degradation. The team's microscopy technique allows for real-time analysis and precise measurements of electrochemical performance.
Scientists at Oak Ridge National Laboratory have developed a new microscopy method to image and measure electrochemical processes in batteries in real time. This technique allows them to capture an unprecedented view of the solid electrolyte interphase, a nanometer-scale film that forms on a battery's negative electrode.
Researchers developed a new technique that accounts for sample drift and eliminates distortion in scanning transmission electron microscope images. This allows for accurate representation of material structures and enables the discovery of crystalline structures in unknown samples.
Scientists have developed a way to microscopically view battery electrodes in wet electrolytes, allowing for the study of the solid electrolyte interphase layer and its influence on battery performance. The new method, called an electrochemical liquid cell, provides more realistic conditions for studying battery materials.
Scientists successfully grew a nanomoustache-like structure by pressurizing carbon and iron atoms, offering insights into nanostructure formation. The discovery paves the way for the creation of complex nanostructures with designed shapes and patterns.
The INRS Energy Materials Telecommunications Research Centre will have access to a cutting-edge Dynamic Transmission Electron Microscope (DTEM) with unprecedented high spatial and temporal resolution. This equipment will revolutionize materials research, enabling the study of ultrafast and ultrasmall material structures.
Scientists at University of Wisconsin-Madison and Iowa State University have discovered a new nanometer-scale atomic structure in solid metallic materials known as metallic glasses. The findings provide insight into the properties of these materials, including ductility and formability.
Scientists at the University of Sheffield have developed a new method, called electron ptychography, to form high-resolution images without lenses. This approach enables imaging at sub-atomic scale and has no fundamental experimental boundaries.
Scientists have developed a technique using scanning transmission electron microscopy (STEM) to view proteins tagged with gold nanoparticles in whole, intact cells. This method offers ten times better resolution than optical microscopes and could help study cancer processes and understand how viruses hijack healthy cells.
The Hitachi Electron Microscopy Products Centre (HEMiC) has been established at Canada's National Institute for Nanotechnology, providing a wide range of electron microscopy services and research collaboration opportunities. The centre features cutting-edge microscopes, including the first H-95000 Environmental transmission electron mi...
Researchers at the University of Manchester showcase graphene's remarkable story and potential applications. Visitors can interact with a virtual microscope, see real images of graphene, and learn about its unique properties, including superconductivity, transparency, and high strength.
Researchers at NIST have found a way to impart electron waves with high orbital momentum, enabling the study of wider range of materials with atomic-scale resolution. This technique has potential applications in imaging magnetic and biological materials.
Henny Zandbergen receives EU funding to develop 'NanoElectrical Measurements in a Transmission Electron Microscope' (NEMinTEM) equipment and methods. This technology enables real-time measurements of electrical characteristics of nanostructures, paving the way for groundbreaking research.
Researchers at the University of Warwick have discovered molecular hooks on Graphene Oxide that enable precise imaging and analysis of molecules using transmission electron microscopes. These hooks allow for high-contrast imaging and the study of molecule interactions with supporting graphene.