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Search results for transmission electron microscopy

Nanophysics Jul 13, 2022

New metrological technique uses stress for nanotomography

Researchers from Skoltech and their colleagues in Russia and Spain have reported a proof-of-concept demonstration of a new radiation-safe method for mapping the internal structure and stress distribution in samples of materials ...

Nanophysics Jul 11, 2022

How gas nanobubbles accelerate solid-liquid-gas reactions

Solid-liquid-gas reactions are common in various natural phenomenon and industrial applications, such as hydrogen-oxygen fuel cell reactions, heterogeneous catalysis and metal corrosion in ambient environments. However, the ...

Evolution Jul 7, 2022

Study reveals yunnanozoans as the oldest known stem vertebrates

Scientists have long puzzled over the gap in the fossil record that would explain the evolution from invertebrates to vertebrates. Vertebrates, including fishes, amphibians, reptiles, birds, mammals, and humans, share unique ...

Polymers Jun 28, 2022

Novel catalyst radically enhances rate of conversion of carbon dioxide into solar fuels

Carbon dioxide or CO2 can potentially be used as a feedstock to be converted into carbon-neutral "solar fuels" that store energy from the sun. But for them to be competitive with fossil fuels, the chemical reaction that performs ...

Planetary Sciences Jun 25, 2022

Multiple lab analyses of Antarctic minerals offer a better understanding of Mars

Results of multiple and complementary lab analyses of minerals found in samples of material from Antarctica could give scientists a better understanding of the surface and subsurface environment of Mars, and indicate locations ...

Cell & Microbiology Jun 23, 2022

Giant bacteria found in Guadeloupe mangroves challenge traditional concepts

At first glance, the slightly murky waters in the tube look like a scoop of stormwater, complete with leaves, debris, and even lighter threads in the mix. But in the Petri dish, the thin vermicelli-like threads floating delicately ...

Nanomaterials Jun 22, 2022

2D interfaces in future transistors may not be as flat as previously thought

Transistors are the building blocks of modern electronics, used in everything from televisions to laptops. As transistors have gotten smaller and more compact, so have electronics, which is why your cell phone is a super ...

Nanomaterials Jun 15, 2022

New member added to carbon material family, a two-dimensional monolayer polymeric fullerene

Synthetic carbon allotropes are fascinating for their outstanding properties and potential applications. Scientists have devoted decades to synthesizing new types of carbon materials. However, a two-dimensional fullerene, ...

Nanophysics Jun 14, 2022

Real-time imaging of dynamic atom-atom interactions

In a breakthrough Tokyo Tech researchers have managed to observe and characterize dynamic assembly of metallic atoms using an ingenious combination of scanning transmission electron microscopy and a video-based tracking. ...

Nanophysics Jun 8, 2022

Phonon dynamics enable a deeper understanding of how heat travels through quantum dots

As electronic, thermoelectric and computer technologies have been miniaturized to nanometer scale, engineers have faced a challenge studying fundamental properties of the materials involved; in many cases, targets are too ...

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