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Nanophysics Aug 14, 2023

Uncovering the local atomic structure of zeolite using optimum bright-field scanning transmission electron microscopy

Zeolites have unique porous atomic structures and are useful as catalysts, ion exchangers and molecular sieves. It is difficult to directly observe the local atomic structures of the material via electron microscopy due to ...

General Physics Aug 9, 2023

Unique high-energy electron Xtallography project completes conceptual design review

A world-first instrument, High-energy electron Xtallography Instrument (HeXI), combining the power of electron diffraction with X-ray beamline expertise is being built by a team at Diamond Light Source, the UK's national ...

Nanophysics Aug 1, 2023

Using sound waves to image nanostructures

The potential of an ultrafast form of transmission electron microscopy to measure sound waves in nanostructures has been demonstrated by three RIKEN physicists. This could help realize a high-resolution imaging method that ...

Nanophysics Aug 1, 2023

Seeing light elements in a grain boundary: Revealing material properties down to the atomic scale

To develop advanced materials, a deep understanding of their underlying microstructure and chemistry is necessary. Knowing how defects influence the interplay between microstructure and chemical composition is crucial, as ...

Nanophysics Jul 14, 2023

Liquid metal nanodroplets formed with new technique have promising properties for catalysis

Liquid metal, planet-like nanodroplets have been successfully formed with a new technique developed at RMIT University, Australia. Like our own planet Earth, the nanodroplets feature an outer "crust," a liquid metal "mantle," ...

Nanophysics Jun 14, 2023

Single-atom vacancies in atomically thin insulators created in ultra-high vacuum

Single photons have applications in quantum computation, information networks, and sensors, and these can be emitted by defects in the atomically thin insulator hexagonal boron nitride (hBN). Missing nitrogen atoms have been ...

Molecular & Computational biology Jun 8, 2023

Researchers find structures that enable rapid transmission of nerve impulses in insects

An animal's brain consists of two different types of cell: neurons, which process and transmit information, and glial cells, which support the neurons in a variety of ways. In 1871, the French anatomist Louis-Antoine Ranvier ...

Astronomy Jun 5, 2023

What are meteorites? I visit and study the craters they've left across our planet

Tens of thousands of asteroids—that we know of—are roaming our solar system. These are building blocks made up of metal, silicates, and ice left over from the beginning of time when the planets (Mercury, Venus, Earth, ...

Optics & Photonics May 31, 2023

Study demonstrates one of the world's fastest electron microscopes in action

Electron microscopes give us insight into the tiniest details of materials and can visualize, for example, the structure of solids, molecules or nanoparticles with atomic resolution. However, most materials in nature are ...

Nanophysics May 19, 2023

Topologically structured light detects the position of nano-objects with atomic resolution

Optical imaging and metrology techniques are key tools for research rooted in biology, medicine and nanotechnology. While these techniques have recently become increasingly advanced, the resolutions they achieve are still ...

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