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Search results for transmission electron microscopy

Nanomaterials Jul 13, 2023

Engineers reveal the secrets behind green graphene

When Ange Nzihou, an expert in converting society's waste into valuable products, visited Princeton in 2022, he brought with him a technique to transform waste biomass into graphene, a material with many uses from batteries ...

Analytical Chemistry Jun 21, 2023

Using electric fields to control the movement of defects in crystals

An international team of researchers, led by University of Toronto Engineering Professor Yu Zou, is using electric fields to control the motion of material defects. This work has important implications for improving the properties ...

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 ...

Nanomaterials Jun 9, 2023

Novel ferroelectrics for more efficient microelectronics

When we communicate with others over wireless networks, information is sent to data centers where it is collected, stored, processed, and distributed. As computational energy usage continues to grow, it is on pace to potentially ...

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 ...

Archaeology Apr 25, 2023

Fossilized soot and charcoal make it possible to reconstruct the history of the Nerja cave

A new study reveals that Nerja is the European cave containing Paleolithic Art with the most confirmed and recurrent visits during Prehistory

Analytical Chemistry Apr 24, 2023

Visible light absorption of titanium dioxide achieved through cerium synchronous doping in anatase

The introduction of rare earth elements into TiO2 can effectively improve the electron-hole separation of TiO2 and prolong the visible light response of TiO2.

Condensed Matter Apr 18, 2023

Scientists discover diamond defects can secure data transmission and measure temperatures

Scientists from Skoltech, Moscow Pedagogical State University, and other research centers have discovered a new class of defects in diamond that may be of use for quantum information processing and precise and remote temperature ...

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